Samson Musical Instrument Amplifier AG300 Guitar Transmitter User Guide

WIRELESS GUITAR SYSTEM  
 
ATTENTION: Pour éviter tout risque d’électrocution ou d’incendie, ne pas exposer cet appareil à la pluie ou à  
l’humidité. Pour éviter tout risque d’électrocution, ne pas ôter le couvercle ou le dos du boîtier. Cet appareil ne con-  
tient aucune pièce remplaçable par l'utilisateur. Confiez toutes les réparations à un personnel qualifié. Le signe  
avec un éclair dans un triangle prévient l’utilisateur de la présence d’une tension dangereuse et non isolée dans  
l’appareil. Cette tension constitue un risque d’électrocution. Le signe avec un point d’exclamation dans un tri-  
angle prévient l’utilisateur d’instructions importantes relatives à l’utilisation et à la maintenance du produit.  
Consignes de sécurité importantes  
1. Veuillez lire toutes les instructions avant d’utiliser l’appareil.  
2. Conserver ces instructions pour toute lecture ultérieure.  
3. Lisez avec attention toutes les consignes de sécurité.  
4. Suivez les instructions du fabricant.  
5. Ne pas utiliser cet appareil près d’une source liquide ou dans un lieu humide.  
6. Nettoyez l’appareil uniquement avec un tissu humide.  
7. Veillez à ne pas obstruer les fentes prévues pour la ventilation de l’appareil. Installez l’appareil selon les  
instructions du fabricant.  
8. Ne pas installer près d’une source de chaleur (radiateurs, etc.) ou de tout équipement susceptible de génér-  
er de la chaleur (amplificateurs de puissance par exemple).  
9. Ne pas retirer la terre du cordon secteur ou de la prise murale. Les fiches canadiennes avec polarisation  
(avec une lame plus large) ne doivent pas être modifiées. Si votre prise murale ne correspond pas au  
modèle fourni, consultez votre électricien.  
10. Protégez le cordon secteur contre tous les dommages possibles (pincement, tension, torsion,, etc.). Veillez à  
ce que le cordon secteur soit libre, en particulier à sa sortie du boîtier.  
11. Déconnectez l’appareil du secteur en présence d’orage ou lors de périodes d’inutilisation prolongées.  
12. Consultez un service de réparation qualifié pour tout dysfonctionnement (dommage sur le cordon secteur,  
baisse de performances, exposition à la pluie, projection liquide dans l’appareil, introduction d’un objet  
dans le boîtier, etc.).  
ACHTUNG: Um die Gefahr eines Brandes oder Stromschlags zu verringern, sollten Sie dieses Gerät weder  
Regen noch Feuchtigkeit aussetzen.Um die Gefahr eines Stromschlags zu verringern, sollten Sie weder Deckel  
noch Rückwand des Geräts entfernen. Im Innern befinden sich keine Teile, die vom Anwender gewartet  
werden können. Überlassen Sie die Wartung qualifiziertem Fachpersonal.Der Blitz mit Pfeilspitze im gleich-  
seitigen Dreieck soll den Anwender vor nichtisolierter “gefährlicher Spannungim Geräteinnern warnen. Diese  
Spannung kann so hoch sein, dass die Gefahr eines Stromschlags besteht. Das Ausrufezeichen im gleichseiti-  
gen Dreieck soll den Anwender auf wichtige Bedienungs- und Wartungsanleitungen aufmerksam machen, die  
im mitgelieferten Informationsmaterial näher beschrieben werden.  
Wichtige Sicherheitsvorkehrungen  
1. Lesen Sie alle Anleitungen, bevor Sie das Gerät in Betrieb nehmen.  
2. Bewahren Sie diese Anleitungen für den späteren Gebrauch gut auf.  
3. Bitte treffen Sie alle beschriebenen Sicherheitsvorkehrungen.  
4. Befolgen Sie die Anleitungen des Herstellers.  
5. Benutzen Sie das Gerät nicht in der Nähe von Wasser oder Feuchtigkeit.  
6. Verwenden Sie zur Reinigung des Geräts nur ein feuchtes Tuch.  
7. Blockieren Sie keine Belüftungsöffnungen. Nehmen Sie den Einbau des Geräts nur entsprechend den  
Anweisungen des Herstellers vor.  
8. Bauen Sie das Gerät nicht in der Nähe von Wärmequellen wie Heizkörpern, Wärmeklappen, Öfen oder  
anderen Geräten (inklusive Verstärkern) ein, die Hitze erzeugen.  
9. Setzen Sie die Sicherheitsfunktion des polarisierten oder geerdeten Steckers nicht außer Kraft. Ein pola-  
risierter Stecker hat zwei flache, unterschiedlich breite Pole. Ein geerdeter Stecker hat zwei flache Pole und  
einen dritten Erdungsstift. Der breitere Pol oder der dritte Stift dient Ihrer Sicherheit. Wenn der vorhandene  
Stecker nicht in Ihre Steckdose passt, lassen Sie die veraltete Steckdose von einem Elektriker ersetzen.  
10. Schützen Sie das Netzkabel dahingehend, dass niemand darüber laufen und es nicht geknickt werden  
kann. Achten Sie hierbei besonders auf Netzstecker, Mehrfachsteckdosen und den Kabelanschluss am  
Gerät.  
11. Ziehen Sie den Netzstecker des Geräts bei Gewittern oder längeren Betriebspausen aus der Steckdose.  
12. Überlassen Sie die Wartung qualifiziertem Fachpersonal. Eine Wartung ist notwendig, wenn das Gerät auf  
irgendeine Weise, beispielsweise am Kabel oder Netzstecker beschädigt wurde, oder wenn Flüssigkeiten  
oder Objekte in das Gerät gelangt sind, es Regen oder Feuchtigkeit ausgesetzt war, nicht mehr wie  
gewohnt betrieben werden kann oder fallen gelassen wurde.  
 
PRECAUCION: Para reducir el riesgo de incendios o descargas, no permita que este aparato quede expuesto a la lluvia  
o la humedad. Para reducir el riesgo de descarga eléctrica, nunca quite la tapa ni el chasis. Dentro del aparato no hay  
piezas susceptibles de ser reparadas por el usuario. Dirija cualquier reparación al servicio técnico oficial. El símbolo  
del relámpago dentro del triángulo equilátero pretende advertir al usuario de la presencia de “voltajes peligrososno  
aislados dentro de la carcasa del producto, que pueden ser de la magnitud suficiente como para constituir un riesgo de  
descarga eléctrica a las personas. El símbolo de exclamación dentro del triángulo equilátero quiere advertirle de la exis-  
tencia de importantes instrucciones de manejo y mantenimiento (reparaciones) en los documentos que se adjuntan  
con este aparato.  
Instrucciones importantes de seguridad  
1.  
2.  
3.  
4.  
5.  
6.  
7.  
Lea todo este manual de instrucciones antes de comenzar a usar la unidad.  
Conserve estas instrucciones para cualquier consulta en el futuro.  
Cumpla con todo lo indicado en las precauciones de seguridad.  
Observe y siga todas las instrucciones del fabricante.  
Nunca utilice este aparato cerca del agua o en lugares húmedos.  
Limpie este aparato solo con un trapo suave y ligeramente humedecido.  
No bloquee ninguna de las aberturas de ventilación. Instale este aparato de acuerdo a las instrucciones del fabri-  
cante.  
8.  
9.  
No instale este aparato cerca de fuentes de calor como radiadores, calentadores, hornos u otros aparatos (incluy-  
endo amplificadores) que produzcan calor.  
No anule el sistema de seguridad del enchufe de tipo polarizado o con toma de tierra. Un enchufe polarizado  
tiene dos bornes, uno más ancho que el otro. Uno con toma de tierra tiene dos bornes normales y un tercero para  
la conexión a tierra. El borne ancho o el tercero se incluyen como medida de seguridad. Cuando el enchufe no  
encaje en su salida de corriente, llame a un electricista para que le cambie su salida anticuada.  
10. Evite que el cable de corriente quede en una posición en la que pueda ser pisado o aplastado, especialmente en  
los enchufes, receptáculos y en el punto en el que salen de la unidad.  
11. Desconecte de la corriente este aparato durante las tormentas eléctricas o cuando no lo vaya a usar durante un  
periodo de tiempo largo.  
12. Dirija cualquier posible reparación solo al servicio técnico oficial. Deberá hacer que su aparato sea reparado  
cuando esté dañado de alguna forma, como si el cable de corriente o el enchufe están dañados, o si se han der-  
ramado líquidos o se ha introducido algún objeto dentro de la unidad, si esta ha quedado expuesta a la lluvia o la  
humedad, si no funciona normalmente o si ha caído al suelo.  
ATTENZIONE: per ridurre il rischio di incendio o di scariche elettriche, non esponete questo apparecchio a pioggia o  
umidità. Per ridurre il pericolo di scariche elettriche evitate di rimuoverne il coperchio o il pannello posteriore. Non esis-  
tono all'interno dell'apparecchio parti la cui regolazione è a cura dell'utente. Per eventuale assistenza, fate riferimento  
esclusivamente a personale qualificato. Il fulmine con la punta a freccia all'interno di un triangolo equilatero avvisa l'utente  
della presenza di "tensioni pericolose" non isolate all'interno dell'apparecchio, tali da costituire un possibile rischio di  
scariche elettriche dannose per le persone. Il punto esclamativo all'interno di un triangolo equilatero avvisa l'utente della  
presenza di importanti istruzioni di manutenzione (assistenza) nella documentazione che accompagna il prodotto.  
Importanti Istruzioni di Sicurezza  
1. Prima di usare l'apparecchio, vi preghiamo di leggerne per intero le istruzioni.  
2. Conservate tali istruzioni per una eventuale consultazione futura.  
3. Vi preghiamo di rispettare tutte le istruzioni di sicurezza.  
4. Seguite tutte le istruzioni del costruttore.  
5. Non usate questo apparecchio vicino ad acqua o umidità.  
6. Pulite l'apparecchio esclusivamente con un panno asciutto.  
7. Evitate di ostruire una qualsiasi delle aperture di ventilazione. Posizionatelo seguendo le istruzioni del costruttore.  
8. Non posizionatelo vicino a sorgenti di calore come radiatori, scambiatori di calore, forni o altri apparecchi (amplifica-  
tori compresi) in grado di generare calore.  
9. Non disattivate la protezione di sicurezza costituita dalla spina polarizzata o dotata di collegamento a terra. Una  
spina polarizzata è dotata di due spinotti, uno più piccolo ed uno più grande. Una spina dotata di collegamento a  
terra è dotata di due spinotti più un terzo spinotto di collegamento a terra. Questo terzo spinotto, eventualmente  
anche più grande, viene fornito per la vostra sicurezza. Se la spina fornita in dotazione non si adatta alla vostra  
presa, consultate un elettricista per la sostituzione della presa obsoleta.  
10. Proteggete il cavo di alimentazione in modo che non sia possibile camminarci sopra né piegarlo, con particolare  
attenzione alle prese, ai punti di collegamento e al punto in cui esce dall'apparecchio.  
11. Staccate l'apparecchio dalla alimentazione in caso di temporali o tempeste o se non lo usate per un lungo periodo.  
12. Per l'assistenza, fate riferimento esclusivamente a personale qualificato. È necessaria l'assistenza se l'apparecchio ha  
subito un qualsiasi tipo di danno, come danni al cavo o alla spina di alimentazione, nel caso in cui sia stato versato  
del liquido o siano caduti oggetti al suo interno, sia stato esposto a pioggia o umidità, non funzioni correttamente  
o sia stato fatto cadere.  
 
Copyright 2011, Samson Technologies Corp.  
v2.1  
Samson Technologies Corp.  
45 Gilpin Avenue  
Hauppauge, New York 11788-8816  
Phone: 1-800-3-SAMSON (1-800-372-6766)  
Fax: 631-784-2201  
 
Table of Contents  
Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . .1  
QuickStart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2  
Guided Tour - AR300 Receiver / Front Panel . . . . . . . . .4  
Guided Tour - AR300 Receiver / Rear Panel . . . . . . . . .6  
Guided Tour - AG300 Transmitter . . . . . . . . . . . . . . .7  
Setting Up Your AirLine Synth System . . . . . . . . . . . .9  
AR300 Operation. . . . . . . . . . . . . . . . . . . . . . . . . 12  
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . 14  
 
Introduction  
Welcome to Samson AirLine Synth—the next generation of wireless systems! Wireless  
microphone and instrument systems were originally developed to eliminate cables,  
providing unparalleled freedom of movement. AirLine Synth takes this concept  
to a new level with transmitters so small, lightweight and aerodynamic, they are  
nearly invisible, providing a completely “hassle-free” user experience. To create the  
world’s smallest frequency agile wireless transmitters, we developed new proprietary  
technology. Featuring miniaturized circuitry and the ability to operate on a single AA  
battery (with 10 hours typical battery life), these transmitters also provide significantly  
improved wireless reception and sound quality. What’s more, the AR300 receiver  
developed especially for the AirLine Synth guitar system provides an automatic  
Channel Scan function to help you find the clearest frequency to operate on. Once  
the AR300 finds the clearest channel, it’s easy to set the AG300 transmitter to the  
matching channel using the IR SET feature. The convenient, all metal half-rack chassis  
design features a large backlit LCD display and includes a rackmount kit to install into  
a standard 19-inch equipment rack. The Samson AirLine Synth UHF guitar system is  
designed to replace the cable between your electric guitar or bass and your onstage  
amplifier or PA mixer, freeing you to roam the stage or even visit the audience in the  
middle of your performance! It operates in the UHF frequency range and contains an  
AR300 “half-rack” receiver and the AG300 plug-in micro-transmitter designed to fit the  
recessed style jack in Fender Stratocaster™-type guitars, or convertible, to fit all other  
standard end-mount guitar jacks.  
In this manual, you’ll find a detailed description of the features of your AirLine Synth  
system, as well as a guided tour through all components, step-by-step instructions for  
setting up and using your system and full specifications. If your AirLine Synth system  
was purchased in the United States, you’ll also find a warranty card enclosed—don’t  
forget to fill it out and mail it! This will enable you to receive online technical support  
and will allow us to send you updated information about this and other Samson  
products in the future. If your AirLine Synth system was purchased outside of the  
U. S., contact your local distributor for warranty details. Also, be sure to check out  
product line.  
SPECIAL NOTE for U.S. purchasers: Should your AirLine Synth system ever require  
servicing, a Return Authorization number (RA) is necessary. Without this number,  
the unit will not be accepted. If your AirLine Synth system was purchased in the United  
States, please call Samson at 1-800-372-6766 for a Return Authorization number prior  
to shipping your system. If possible, return the unit in its original carton and packing  
materials. If your AirLine Synth system was purchased outside of the U. S., contact your  
local distributor for information.  
1
 
QuickStart  
If you’ve had some prior experience using wireless systems, these QuickStart  
instructions will get you up and running with your AirLine Synth UHF guitar system in  
a matter of minutes! Detailed instructions for setting up and using your AirLine Synth  
system can be found on page 15 of this manual, and the “Guided Tour” sections on  
pages 4 - 11 provide full descriptions of all AirLine component controls and displays.  
1. Unpack the AR300 receiver and AG300  
transmitter and configure the AG300 for  
Fender Strat™ or flat jack style guitars.  
If you need to change the phone plug  
configuration, simply remove the  
thumbscrew, unscrew the plug and  
reinstall the two components while  
swapping their positions.  
2. Physically place the AR300 receiver on your  
amp or in front of you. Extend its antennas  
vertically and spread the tips horizontally  
outwards.  
3. Set the power switch on your AG300  
transmitter to the “off” position (away from  
the arrow) and place a fresh AA battery  
in it. Then turn the transmitter back on  
momentarily; its LED will flash once and then go off if the battery is sufficiently  
strong. Once battery strength is verified, turn the transmitter off again, then put it  
aside for now.  
4. Connect the included AC power supply to the rear of the AR300 and then to an  
available wall socket. Turn the AR300 on momentarily to confirm that the unit has  
power. Then turn the AR300 power off.  
5. Turn your amplifier or mixer off and make the physical cable connection between  
an audio input and the AR300 output jack.  
6. Turn the Level knob on the AR300 completely counterclockwise, then turn its  
power on.  
2
 
QuickStart  
7. Now to set the channel, press and hold  
the EDIT control until the display shows  
the Group number with three asterisks.  
Next, the AR300 will automatically find the  
clearest channel and you will see it in the  
Channel number of the display just before  
the IR SET will begin.  
8. Once you see the IR SET flashing in the  
LCD display, hold the transmitter, with the  
control switches facing you, approximately  
6 inches away from the receiver and turn  
the AG300 power switch on. The AR300  
will transmit the channel number to AG300  
over infrared light and you will see the  
corresponding absolute channel number in  
the transmitter LCD.  
8. Turn on the connected amplifier or mixer but keep its volume all the way down.  
Set the output level of your instrument to maximum and begin playing at a  
normal performance level while observing the AF Meter. If the AF Meter reads  
above “0” (indicating a Peak condition) even with the AR300 Level control fully  
counterclockwise, engage the 15 dB pad on the transmitter. If not, slowly adjust  
the GAIN inside the AG300 to the point where the AF Meter occasionally reads  
“0” during the very loudest passages, then back it off just slightly. Finally, raise the  
level of your connected amplifier and/or mixer until the desired volume is reached.  
9. Do a walkaround through the intended area of coverage while observing the  
receiver’s RF Meter; it should continue to read about “75%, indicating sufficient RF  
reception in all areas of coverage. If not, reposition the AR300 or its antennas as  
necessary.  
10. If you hear any spurious noise from the receiver output when the transmitter  
is turned off, use the supplied plastic screwdriver to adjust the AR300 Squelch  
control, slowly turning it clockwise to the point at which the noise disappears.  
3
 
Guided Tour - AR300 Receiver / Front Panel  
1. Antennas (A and B) - The antenna mountings allow full rotation for optimum  
placement. In normal operation, both Antenna A (the antenna on the left) and  
Antenna B (the antenna on the right) should be placed in a vertical position. Both  
antennas can be folded inward for convenience when transporting the AR300. See  
the “Setting Up and Using the AirLine Synth System” section on page 15 in this manual  
for information about antenna installation and positioning.  
2: Squelch – This control determines the maximum range of the AR300 before audio  
signal dropout. Although it can be adjusted using the supplied plastic screwdriver,  
it should normally be left at its factory setting. See the “Setting Up and Using the  
AirLine Synth System” section on page 15 in this manual for more information.  
3: Group Channel - This displays shows the current Group and Group Channel  
number. A letter indicates Groups A through F and the Group Channel number are  
indicated by 1 through 9 plus 0 for 10.  
4: Antenna indicators – In order to maximize reception and distance, the AR300  
implements true diversity receiver technology with dual RF strips. The A and B  
antenna icon shows which of the receiver’s two RF strips is active.  
5: Absolute Channel – This display indicates the specific channel number for each  
available frequency.  
4
 
Guided Tour - AR300 Receiver / Front Panel  
6: EDIT Control – This rotary encoder control knob/switch is used to control and set  
several menu functions and parameters displayed in the LCD display and it is also  
used to preform the automatic Channel Scan.  
7: Power Switch - Use this to turn the AR300 power on and off. When the receiver is  
on, the LCD backlight is lit.  
8: IR Transmitter – During “IR SET” an Infrared light is used to set the transmitter  
channel.  
9: RF Meter – 10-segment bar meter used to display the level of the radio frequency  
reception.  
10: LCD Display – The 47mm x 17mm backlit display show information for Frequency,  
Channel, Group, Absolute Channel, Anntena, AF, RF, Scan, and IR Set.  
11: AF Meter - 10-segment bar meter used to display the amount of the audio input  
level.  
12: Level control - This knob sets the level of the audio signal being output through  
both balanced output connectors on the rear panel (see C and D on page 12 in  
this manual). Reference level is obtained when the knob is turned fully clockwise  
(to its “10” setting).  
5
 
Guided Tour - AR300 Receiver / Rear Panel  
A
A
E
D
C
B
A: Antenna socket - D hole knockout for mounting the antennas to the rear panel  
using the optional rear antenna kit.  
B: DC input - Connect the supplied power adapter here, using the strain relief as  
shown in the illustration below. WARNING: Do not substitute any other kind of  
power adapter; doing so can cause severe damage to the AR300 and will void your  
warranty.  
-
C: 1/4-inch output* - Use this 1/4" jack when connecting the AR300 to your guitar  
amp or to line level equipment. The output connection can be either balanced or  
unbalanced. Wiring is as follows: tip hot, ring cold, sleeve ground.  
D: XLR output* - Use this electronically balanced low impedance (600 Ohm) XLR jack  
when connecting the AR300 to professional (+4) audio equipment. Pin wiring is as  
follows: Pin 1 ground, Pin 2 high (hot), and Pin 3 low (cold).  
E: Audio Output Level switch - Sets the audio output level attenuation of the XLR  
output to -20 dBm (line level) or -40 dBm (mic level). See “Setting Up and Using the  
AirLine Synth System” on page 15.  
* If required, both outputs can be used simultaneously.  
6
 
Guided Tour - AG300 Transmitter  
2
5
6
3
4
1
1: ¼-inch Phone Plug - Insert this standard 1/4” plug into your electric guitar or  
electric bass. Note that the angling of the plug can be configured for Fender  
Stratocaster™-type recessed jacks, and in a second position designed to be used  
with all other instruments that have end mount-jacks. If you need to change the  
phone plug configuration, simply remove the thumbscrew, unscrew the plug and  
reinstall the two components while swapping their positions.  
2: LCD Display – This three digit Liquid Crystal Display indicates the Absolute  
Channel number that the transmitter is set to.  
3: Power / Battery LED - This red LED flashes once when the AG300 is first turned  
indicating the transmitter has power. It will remain off as long as they battery is a  
good operating level. The LED lights steadily red when there are less than 2 hours  
of battery power remaining, indicating that the battery needs to be changed. In  
order to avoid compromising audio fidelity (or having the AG300 stop working  
completely), you should always replace the battery with a fresh one immediately  
whenever this LED lights red.  
4: Mute switch – This switch is used to temporarily turn off the audio output of the  
transmitter. Move this switch in the direction of “MUTE” to turn off the output and  
move the switch in the direction of “ON” to turn the output on.  
5: Power switch - Move this switch in the direction of the arrow to turn the AG300  
power on; move it away from the arrow to turn the power off.  
6: Antenna - This permanently attached flexible antenna should be fully extended  
during normal operations. See the “Setting Up and Using the AirLine Synth System”  
7
 
Guided Tour - AG300 Transmitter  
section on page 15 in this manual  
for more information about antenna  
positioning.  
7: Battery cover - Pull back gently on this  
cover at the ribbing and pry upwards  
to remove. See the “Setting Up and  
Using the AirLine Synth System”  
section on page 15 in this manual.  
8
8: Battery compartment - Insert a  
9
7
standard AA alkaline battery here,  
being sure to observe the plus and  
10  
minus polarity markings shown.  
We recommend the Duracell type  
battery. Although rechargeable Ni-Cad  
batteries can be used, they do not  
supply adequate current for more than  
four hours of operation. WARNING:  
Do not insert the battery backwards;  
doing so can cause severe damage to  
the AG300 and will void your warranty.  
9: 15 dB Pad - Located under the battery  
is a miniature slide switch to adjust the  
AG300’s input sensitivity. Move this  
switch in the direction of the arrow to  
reduce the output of the AG300 by 15  
dB when your instrument is putting  
out too hot a signal. In general, if  
11  
you have single coil pick-ups, you’ll  
probably want set the PAD to “OFF. If  
you have super hot humbuckers, you’ll probably want to switch the PAD on. See the  
“Setting Up and Using the AirLine Synth System” section on page 15 in this manual.  
10: Gain control - This miniature trimmer is used to fine tune the AG300’s input  
sensitivity. Use the included screwdriver to make the adjustments.  
11: IR Lens - This acrylic window is used to capture the infrared signal sent from the  
AR300 during the IR SET to channelize the AG300.  
8
 
Setting Up Your AirLine Synth System  
The basic procedure for setting up and using your AirLine Synth system takes only a  
few minutes:  
1. Remove all packing materials (save them in case of need for future service) and  
check to make sure that the supplied power adapter is the correct voltage for your  
country. If not, contact your distributor or, if purchased in the United States, Samson  
Technical Support at 1-800-372-6766.  
2. Physically place the AR300 receiver on your amp or on the ground in front of you  
next to your pedal board. The general rule of thumb is to maintain “line of sight”  
between the receiver and transmitter so that the person using the transmitter can  
see the receiver.  
3. Extend the AR300 antennas and spread the tips horizontally outwards at least 5  
inches.  
4. Make sure the Power On-Off switch in your AG300 transmitter is set to “Off” and  
that the MUTE is also to “ON. Pull back gently on the AG300 battery cover at the  
ribbing and pry it upwards to remove it. Please use care when opening this cover  
as undue force can damage it. Install a fresh AA alkaline battery in the battery  
compartment, being sure to observe the polarity markings. Then carefully replace  
the battery cover and gently press down on it until it clicks. Momentarily turn on  
the power to the transmitter by sliding its Power On-Off switch in the direction of  
the arrow; the “Power/BatteryLED will flash if the battery is sufficiently strong (if it  
lights steadily, the battery has less than 2 hours of power remaining and should be  
replaced). Once battery strength is verified, turn the transmitter off again and place  
it aside for now.  
5. With the Power switch on the AR300 set to the “Off” position, connect the included  
power adapter. Turn the AR300 on momentarily to confirm that the unit is receiving  
power. You’ll see the LCD display light up. Then turn the AR300 power off.  
9
 
Setting Up Your AirLine Synth System  
6. Make the physical cable connection between the AR300 output jack and an audio  
input of your amplifier or mixer. Leave your amplifier or mixer off at this time.  
7. Turn the Level knob on the AR300 completely counterclockwise, then set its Power  
switch up to turn it on. The LCD display light will illuminate.  
8. Now to set the channel, press and hold the EDIT control until the display reads CH  
SCAN. Next, the AR300 will automatically find the clearest channel and you will see  
it in the Channel number of the display just before the IR SET will begin.  
9. Once you see the IR SET flashing in the LCD display, hold the transmitter, with the  
control switches facing you, approximately 6 inches away from the receiver and  
turn the AG300 power switch on. The AR300 will transmit the channel number to  
AG300 over infrared light and you will see the corresponding absolute channel  
number in the transmitter LCD.  
10. The RF Meter on the AR300 receiver should now be active, indicating that it is  
receiving valid RF signal and is placed and positioned correctly.  
11. Now it’s time to set the audio levels. Turn on your amplifier and/or mixer but keep  
its volume all the way down. Set the output level of your electric guitar or bass  
to maximum and begin playing it at a normal performance level while observing  
the AR300 AF Meter. If all the bars are lit, indicating a Peak condition, even with  
the AR300 Level control fully counterclockwise, engage the 15 dB pad on your  
transmitter by sliding the switch in the direction of the arrow. (In general, if you  
have single coil pick-ups, you’ll probably want set the PAD to “OFF. If you have  
supper hot humbuckers, you’ll probably want to switch the PAD on.) If the AF Meter  
bars are not all lit, slowly turn the AG300’s Gain control clockwise to the point  
where the AF Meter reaches ‘‘0” during the very loudest passages, then back it off  
just slightly; this will ensure maximum signal to noise ratio. Now, raise the Level on  
the AR300. Finally, raise the level of your amplifier and/or mixer until the desired  
volume is reached.  
12. If you hear distortion or the AR300 AF Meter is reaching “0” with the 15 dB pad  
engaged and the TX Gain control at minimum (fully counterclockwise), reduce the  
output level of your instrument until AF Meter is reading less than “0. Conversely,  
if you hear a weak, noisy signal at the desired volume level, make sure that your  
instrument is set to maximum output level, that the 15 dB pad is not engaged, and  
that the AG300 Gain control is turned up.  
10  
 
Setting Up Your AirLine Synth System  
13. Temporarily turn down the level of your amplifier or mixer and turn off the power  
to your transmitter, leaving the AR300 receiver on. Then restore the previously  
set level of your amplifier or mixer. With the transmitter off, the receiver output  
should be totally silent; if it is, skip ahead to the next step. If it isn’t (that is,  
if you hear some noise), you may need to adjust the AR300 Squelch control.  
When the Squelch control is at its minimum setting, the AirLine Synth system  
always provides maximum range without dropout; however, depending upon  
the particular environment your system is used in, you may need to reduce that  
range somewhat in order to eliminate band noise when the AG300 transmitter is  
turned off. To do so, use the provided screwdriver to rotate the Squelch control  
completely counterclockwise (to the “Min” position), then slowly turn it clockwise  
until the noise disappears. If no noise is present at any position, leave it at its fully  
counterclockwise “Min” position (so as to have the greatest overall range available).  
14. When first setting up your AirLine Synth system in a new environment, it’s always  
a good idea to do a walkaround in order to make sure that coverage is provided  
for your entire performance area. Accordingly, turn down the level of your audio  
system and turn on both the transmitter and receiver. Then restore the level of  
your audio system and while playing your electric guitar or bass at a normal  
performance level, walk through the entire area that will need to be covered. As  
you do so, observe the RF Meter on the AR300 receiver to make sure that it is close  
to reaching “75%, indicating that it is receiving sufficiently strong RF signal. Always  
try to minimize the distance between transmitter and receiver as much as possible  
so that the strongest possible signal is received from all planned transmission  
points. In certain environments, it may be desirable to angle the AR300’s antennas  
differently from the vertical position.  
If you have followed all the steps above and are experiencing difficulties, contact your local  
distributor or, if purchased in the United States, call Samson Technical Support (1-800-372-  
6766) between 9 AM and 5 PM EST.  
11  
 
AR300 Operation  
Setting a Group and Channel Manually  
The AR300 receiver contains 320 selectable channels for N and U band, and 71  
selectable channels for E band. All channels are organized into a series of groups.  
Each group contains channels that are compatible for simultaneous use. When using  
multiple systems, each system should be assigned to the same group in order to  
maximize the number of compatible channels. Each group is designated with a letter,  
followed by the group channel number (0–9) which is displayed under the “GROUP”  
icon in the AR300 LCD display.  
To the right of the Group and Group Channel number is the read out Absolute channel  
number. This three-digit Absolute Channel number corresponds to the exact channel  
from the entire channel plan. That Absolute Channel number is shown on the AG300  
transmitter’s LCD display.  
The AG300 displays the Absolute Channel number it its LCD for a few seconds, and  
then the display shuts off to preserve battery power. You can also see the transmitters  
Absolute Channel number by switching the Mute on. In addition, the AG300 will also  
display the Absolute Channel number briefly when the power is shut off.  
1. Press the EDIT control once and you will see the Group and Group Channel Number  
Flash.  
2. Turn the EDIT controller and you will see the Group and Group Channel number  
change, and you will also see the Absolute Channel number change in sync.  
3. If you prefer, you can choose the Absolute Channel. Simply press the EDIT control  
again until the Absolute Channel number flashes. Then, turn the EDIT controller  
and you will see the Absolute Channel number change. It changes in sync with the  
Group Channel number.  
4. Once you have the desired channel set on the AR300 you’re ready to transmit the  
infrared channel data to the AG300. Have the transmitter ready in your hand with  
the Power switch set to off.  
5. Double click the EDIT controller and you see the display flash “IR SET” indicating that  
the AR300 is sending the channel information over infrared transmission.  
6. Now, position the transmitter about 6-inches from the front of the AR300 with the  
AG300 IR receiver facing the AR300’s LCD display and turn the power switch on.  
You will now see the corresponding Absolute Channel in the AG300 LCD display  
indicating that the transmitter is matched to the receiver.  
12  
 
AR300 Operation  
Operating In FREE Mode  
You can tune in an exact frequency using the AR300’s FREE mode. Once you are in FREE  
mode you can change the frequency by 25 kHz steps. For most situations, it’s better to  
use the GROUP Channel plan but if your application requires an exact frequency, follow  
these steps to operate in FREE mode.  
1. Press the EDIT controller three times until the display’s FREE icon turns on and  
Frequency number flashes.  
2. Next, turn the EDIT controller until you reach the desired frequency number.  
3. Once you have the desired frequency set on the AR300 you’re ready to transmit the  
infrared channel data to the AG300. Have the transmitter ready in your hand with  
the Power switch set to off.  
4. Double click the EDIT controller and you see the display flash “IR SET” indicating that  
the AR300 is sending the channel information over infrared transmission.  
5. Now, position the transmitter about 6-inches from the front of the AR300 with the  
AG300 IR receiver facing the AR300’s LCD display and turn the power on.  
You will now see the corresponding Absolute Channel in the AG300 LCD display  
indicating that the transmitter is matched to the receiver.  
If you want to see the Absolute channel while the AR300 is in Free Mode, simply turn  
the EDIT control and it will toggle between the exact Frequency and the Absolute  
Channel.  
To exit FREE Mode, just press the EDIT controller switch and you will return to the Group  
and Absolute Channel fields. Once you are in the Group Channel or Absolute Channel  
field and you have selected your channel, double click the EDIT control to perform the  
IR set and lock in the channel. You can also use the Scan function to find a clear channel  
by pressing and holding the EDIT knob. If you do not perform an IR set or Channel  
Scan, the AR300 will return to Free Mode and the channel will be set to the previously  
selected frequency.  
13  
 
Specifications  
SYSTEM SPECIFICATIONS  
Channels  
320 channels 25kHz Step (N and U Bands)  
71 channels 25kHz Step (E Band)  
639.025–647 MHz  
Operating Frequency  
798.025–806 MHz (not for use in the USA)  
863–865 MHz (not for use in the USA)  
F3E  
FM  
Compander  
100 meters line of sight  
50Hz - 15KHz (+/- 3dB)  
>100dB (IHF-A)  
Frequency Type  
Modulation Type  
Noise Reduction Type  
Distance  
Audio Frequency Response  
Dynamic Range  
AR300 RECEIVER  
Oscillation System  
Type of Reception  
Intermediate Frequency  
Antenna  
Antenna Filter  
Output  
VCO  
Double superheterodyne / True Diversity  
10.7MHz  
1/4 Wavelength Rod TNC Type UHF - Extendable  
SAW Filter  
1/4-inch and XLR Balanced  
LCD Display  
47mm x 17mm Back Lighted Display (Frequency,  
Channel, Group, Absolute Channel, Anntena, AF, RF,  
Scan, IR Set)  
Controls  
EDIT Encoder/Button, Volume, Squelch  
0°C - +50°C  
ACD1000 AC Adatper - 18V DC  
Less Than 150mA RXM300 + AR300 Mother System x  
RXM300 (65mA)  
Operating Temperature  
Power Supply Voltage  
Current Consumption  
Receiving Sensitivity  
Squelch Sensitivity  
T.H.D  
Audio Output Level  
Audio Output Impedance  
Dimensions (L x W x H)  
Weight  
More than S/N 60dB at 21 dBuV input  
Adjustable  
1% Max (@AF 1kHz, RF 56dBuV)  
-3dBv @1% THD (Maximum +7dBv)  
10k ohms  
220.7mm x 179.38mm x 44mm (8.7x 7.1x 1.73”)  
1.97 lb  
Specifications are subject to change without notice.  
14  
 
Specifications  
TRANSMITTER (AG300)  
Oscillation Type  
Modulation Type  
Antenna  
Crystal-controlled PLL frequency systhesized  
FM  
1/4 Wave Length Wire Type  
Input Impedance  
Maximum Input Level  
Switches/Controls  
290k ohms (ATT:0dB)  
-2dBv (ATT:0dB), +15dBv (ATT:-15dB)  
POWER switch, MUTE switch, ATT switch, GAIN  
control  
Display  
Interface  
CHANNEL (LCD), BATT (LED)  
Infrared  
Impedance  
Battery  
2.2k ohms  
AA x 1  
Current Consumption  
Operating Voltage  
Battery Life  
Operating Temperature  
RF Output Power  
Frequency Stability  
Spurious Ratio  
Deviation  
Less than 120mA  
1.2V-1.5V  
10 hours @ 25ºC  
0ºC - 50ºC  
10mW ERP  
+/-15kHz  
1uW  
20kHz (with 1kHz input), 40kHz max.  
T.H.D.  
> 2% max (@1kHz, dev. 20kHz) Typical THD less  
than 1%  
Dimentions (L x W x H)  
Weight  
113.95mm x 29.8mmx40.2mm (4.5x 1.17x 1.6”)  
(45° jack)  
.108 lb  
Specifications are subject to change without notice.  
15  
 
FCC Rules and Regulations  
Samson wireless systems are type accepted under FCC  
rules parts 90, 74 and 15.  
Licensing of Samson equipment is the users responsibil-  
ity and licensability depends on the users classification,  
application and frequency selected.  
This device complies with RSS-210 of  
Industry & Science Canada.  
Operation is subject to the following two conditions:  
(1) this device may not cause harmful interference and (2)  
this device must accept any interference received, includ-  
ing interference that may cause  
Undesired operation.  
16  
 
EC Declaration of Conformity  
0979  
We, Samson Technologies Corporation, located at 45 Gilpin Ave, Hauppauge, NY  
11788 USA declare under our own responsibility that the Products:  
Equipment: Wireless Microphone System  
Model #: Samson AirLine Synth - AR300 Receiver & AL300 / AX300 / AG300  
Transmitters  
are in conformity with the essential requirements of the following EC Directive(s) when  
installed in accordance with the installation instructions contained in the product docu-  
mentation:  
73/23/EEC  
LVD Directive  
89/336/EEC  
1999/5/EC  
EMC Directive  
R&TTE Directive  
and that the standards and/or technical specifications referenced below have been ap-  
plied as indicated:  
EN60065:2002 + Amd Audio, video and similar electronic apparatus - Safety re-  
1:2006 + Amd 11:  
2008  
quirements  
EN301 489-1 V1.8.1  
(2008-04)  
Common technical requirements.  
EN301 489-9 V1.4.1  
(2007-11)  
Specific conditions for wireless microphones, similar Radio  
Frequency (RF) audio link equipment, cordless audio and  
in-ear monitoring.  
EN300 422-1 V1.3.2  
(2008-03)  
Technical characteristics and methods.  
EN300 422-2 V1.2.2  
(2002-08)  
Harmonized EN under Article 3.2 of the R&TTE Directive.  
Year of CE Marking (Low Voltage Directive):  
2009  
Identification Mark:  
0979  
This equipment will  
also carry the Class 2  
equipment identifier.  
(Notified body number)  
Signed on behalf of the  
manufacturer:  
Name:Douglas Bryant  
Position:Vice President Engineering  
Date:06/05/2009  
 
Samson Technologies Corp.  
45 Gilpin Avenue  
Hauppauge, New York 11788-8816  
Phone: 1-800-3-SAMSON (1-800-372-6766)  
Fax: 631-784-2201  
 

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