Behringer Musical Instrument Amplifier GM108 User Manual

User Manual  
V-TONE GM108  
True Analog Modeling 15-Watt Guitar Amp with 8'' BUGERA Speaker  
 
3
V-TONE GM108 User Manual  
9. Do not defeat the safety purpose of the polarized  
or grounding-type plug. A polarized plug has two blades  
with one wider than the other. A grounding-type plug  
has two blades and a third grounding prong. The wide  
UNDERTAKING OR REPRESENTATION. THIS MANUAL  
IS COPYRIGHTED. NO PART OF THIS MANUAL MAY  
BE REPRODUCED OR TRANSMITTED IN ANY FORM  
OR BY ANY MEANS, ELECTRONIC OR MECHANICAL,  
Important Safety  
Instructions  
blade or the third prong are provided for your safety. If the INCLUDING PHOTOCOPYING AND RECORDING OF ANY  
provided plug does not fit into your outlet, consult an  
electrician for replacement of the obsolete outlet.  
KIND, FOR ANY PURPOSE, WITHOUT THE EXPRESS  
WRITTEN PERMISSION OF MUSIC GROUP IP LTD.  
10. Protect the power cord from being walked on or  
pinched particularly at plugs, convenience receptacles,  
and the point where they exit from the apparatus.  
ALL RIGHTS RESERVED.  
© 2011 MUSIC Group IP Ltd.  
Trident Chambers, Wickhams Cay, P.O. Box 146,  
Road Town, Tortola, British Virgin Islands  
Terminals marked with this symbol carry  
electrical current of sufficient magnitude  
to constitute risk of electric shock. Use only  
11. Use only attachments/accessories specified by  
the manufacturer.  
high-quality commercially-available speaker cables with  
¼" TS plugs pre-installed. All other installation or  
modification should be performed only by  
qualified personnel.  
LIMITED WARRANTY  
12. Use only with the  
cart, stand, tripod, bracket,  
or table specified by the  
§ 1 Warranty  
(1) This limited warranty is valid only if you purchased  
the product from a MUSIC Group Authorized Reseller in  
the country of purchase. A list of authorized resellers can  
be found on BEHRINGER’s website behringer.com under  
“Where to Buy, or you can contact the MUSIC Group office  
closest to you.  
manufacturer, or sold with  
the apparatus. When a cart  
is used, use caution when  
moving the cart/apparatus  
combination to avoid  
This symbol, wherever it appears,  
alerts you to the presence of uninsulated  
dangerous voltage inside the  
enclosure - voltage that may be sufficient to constitute a  
risk of shock.  
injury from tip-over.  
This symbol, wherever it appears,  
alerts you to important operating and  
maintenance instructions in the  
(2) MUSIC Group* warrants the mechanical and  
13. Unplug this apparatus during lightning storms or  
when unused for long periods of time.  
electronic components of this product to be free of defects  
in material and workmanship if used under normal  
operating conditions for a period of one (1) year from  
the original date of purchase (see the Limited Warranty  
terms in § 4 below), unless a longer minimum warranty  
period is mandated by applicable local laws. If the product  
shows any defects within the specified warranty period  
and that defect is not excluded under § 4, MUSIC Group  
shall, at its discretion, either replace or repair the product  
using suitable new or reconditioned product or parts.  
In case MUSIC Group decides to replace the entire product,  
this limited warranty shall apply to the replacement  
14. Refer all servicing to qualified service personnel.  
Servicing is required when the apparatus has been  
damaged in any way, such as power supply cord or plug  
is damaged, liquid has been spilled or objects have fallen  
into the apparatus, the apparatus has been exposed  
to rain or moisture, does not operate normally, or has  
been dropped.  
accompanying literature. Please read the manual.  
Caution  
To reduce the risk of electric shock, do  
not remove the top cover (or the rear  
section). No user serviceable parts inside. Refer servicing  
to qualified personnel.  
15. The apparatus shall be connected to a MAINS socket  
outlet with a protective earthing connection.  
Caution  
To reduce the risk of fire or electric shock,  
do not expose this appliance to rain and  
moisture. The apparatus shall not be exposed to dripping  
16. Where the MAINS plug or an appliance coupler is  
used as the disconnect device, the disconnect device shall product for the remaining initial warranty period, i.e.,  
or splashing liquids and no objects filled with liquids, such remain readily operable.  
as vases, shall be placed on the apparatus.  
one (1) year (or otherwise applicable minimum warranty  
period) from the date of purchase of the original product.  
(3) Upon validation of the warranty claim, the repaired  
or replacement product will be returned to the user freight  
prepaid by MUSIC Group.  
Caution  
These service instructions are for use  
by qualified service personnel only.  
To reduce the risk of electric shock do not perform any  
servicing other than that contained in the operation  
instructions. Repairs have to be performed by qualified  
service personnel.  
(4) Warranty claims other than those indicated above  
are expressly excluded.  
PLEASE RETAIN YOUR SALES RECEIPT. IT IS YOUR PROOF  
OF PURCHASE COVERING YOUR LIMITED WARRANTY.  
THIS LIMITED WARRANTY IS VOID WITHOUT SUCH PROOF  
OF PURCHASE.  
1. Read these instructions.  
2. Keep these instructions.  
3. Heed all warnings.  
LEGAL DISCLAIMER  
TECHNICAL SPECIFICATIONS AND APPEARANCE  
ARE SUBJECT TO CHANGE WITHOUT NOTICE.  
THE INFORMATION CONTAINED HEREIN IS CORRECT  
AT THE TIME OF PRINTING. ALL TRADEMARKS ARE  
THE PROPERTY OF THEIR RESPECTIVE OWNERS.  
MUSIC GROUP ACCEPTS NO LIABILITY FOR ANY  
LOSS WHICH MAY BE SUFFERED BY ANY PERSON  
WHO RELIES EITHER WHOLLY OR IN PART UPON  
ANY DESCRIPTION, PHOTOGRAPH OR STATEMENT  
CONTAINED HEREIN. COLORS AND SPECIFICATIONS  
MAY VARY FROM ACTUAL PRODUCT. MUSIC GROUP  
PRODUCTS ARE SOLD THROUGH AUTHORIZED  
FULLFILLERS AND RESELLERS ONLY. FULLFILLERS AND  
RESELLERS ARE NOT AGENTS OF MUSIC GROUP  
AND HAVE ABSOLUTELY NO AUTHORITY TO BIND  
MUSIC GROUP BY ANY EXPRESS OR IMPLIED  
§ 2 Online registration  
4. Follow all instructions.  
5. Do not use this apparatus near water.  
6. Clean only with dry cloth.  
Please do remember to register your new BEHRINGER  
equipment right after your purchase at behringer.com  
under“Support”and kindly read the terms and conditions  
of our limited warranty carefully. Registering your  
purchase and equipment with us helps us process  
your repair claims quicker and more efficiently.  
Thank you for your cooperation!  
7. Do not block any ventilation openings. Install in  
accordance with the manufacturer’s instructions.  
8. Do not install near any heat sources such as  
radiators, heat registers, stoves, or other apparatus  
(including amplifiers) that produce heat.  
§ 3 Return materials authorization  
(1) To obtain warranty service, please contact the  
retailer from whom the equipment was purchased.  
Should your MUSIC Group Authorized Reseller not be  
located in your vicinity, you may contact the MUSIC Group  
Authorized Fulfiller for your country listed under  
 
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V-TONE GM108 User Manual  
“Support”at behringer.com. If your country is not  
listed, please check if your problem can be dealt with  
by our“Online Support”which may also be found under  
“Support”at behringer.com. Alternatively, please submit  
an online warranty claim at behringer.com BEFORE  
returning the product. All inquiries must be accompanied  
by a description of the problem and the serial number  
of the product. After verifying the product’s warranty  
eligibility with the original sales receipt, MUSIC Group  
will then issue a Return Materials Authorization  
(“RMA”) number.  
connection or operation of the unit in any way  
that does not comply with the technical or safety  
regulations applicable in the country where the  
product is used;  
(3) This warranty does not detract from the seller’s  
obligations in regard to any lack of conformity of the  
product and any hidden defect.  
§ 9 Amendment  
damage/defects caused by acts of God/Nature  
(accident, fire, flood, etc) or any other condition that  
is beyond the control of MUSIC Group.  
Warranty service conditions are subject to change without  
notice. For the latest warranty terms and conditions  
and additional information regarding MUSIC Group’s  
limited warranty, please see complete details online at  
behringer.com.  
(7) Any repair or opening of the unit carried out by  
unauthorized personnel (user included) will void the  
limited warranty.  
* MUSIC Group Macao Commercial Offshore Limited of  
Rue de Pequim No. 202-A, Macau Finance Centre 9/J, Macau,  
including all MUSIC Group companies  
(8) If an inspection of the product by MUSIC Group  
shows that the defect in question is not covered by the  
limited warranty, the inspection costs are payable by  
the customer.  
(2) Subsequently, the product must be returned in  
its original shipping carton, together with the return  
authorization number to the address indicated by  
MUSIC Group.  
(9) Products which do not meet the terms of this  
limited warranty will be repaired exclusively at the buyer’s  
expense. MUSIC Group or its authorized service center will  
inform the buyer of any such circumstance. If the buyer  
fails to submit a written repair order within 6 weeks after  
notification, MUSIC Group will return the unit C.O.D. with  
a separate invoice for freight and packing. Such costs will  
also be invoiced separately when the buyer has sent in a  
written repair order.  
(3) Shipments without freight prepaid will not  
be accepted.  
§ 4 Warranty Exclusions  
(1) This limited warranty does not cover consumable  
parts including, but not limited to, fuses and batteries.  
Where applicable, MUSIC Group warrants the valves or  
meters contained in the product to be free from defects in  
material and workmanship for a period of ninety (90) days  
from date of purchase.  
(10) MUSIC Group Authorized Resellers do not sell new  
products directly in online auctions. Purchases made  
through an online auction are on a“buyer beware”basis.  
Online auction confirmations or sales receipts are not  
accepted for warranty verification and MUSIC Group will  
not repair or replace any product purchased through an  
online auction.  
(2) This limited warranty does not cover the product  
if it has been electronically or mechanically modified  
in any way. If the product needs to be modified or  
adapted in order to comply with applicable technical  
or safety standards on a national or local level, in any  
country which is not the country for which the product  
was originally developed and manufactured, this  
modification/adaptation shall not be considered a defect  
in materials or workmanship. This limited warranty does  
not cover any such modification/adaptation, regardless  
of whether it was carried out properly or not. Under the  
terms of this limited warranty, MUSIC Group shall not  
be held responsible for any cost resulting from such a  
modification/adaptation.  
§ 5 Warranty transferability  
This limited warranty is extended exclusively to the  
original buyer (customer of authorized reseller) and is  
not transferable to anyone who may subsequently  
purchase this product. No other person (reseller, etc.)  
shall be entitled to give any warranty promise on behalf  
of MUSIC Group.  
(3) This limited warranty covers only the product  
hardware. It does not cover technical assistance for  
hardware or software usage and it does not cover  
any software products whether or not contained in  
the product. Any such software is provided“AS IS”  
unless expressly provided for in any enclosed software  
limited warranty.  
§ 6 Claim for damage  
Subject only to the operation of mandatory applicable  
local laws, MUSIC Group shall have no liability to the buyer  
under this warranty for any consequential or indirect  
loss or damage of any kind. In no event shall the liability  
of MUSIC Group under this limited warranty exceed the  
invoiced value of the product.  
(4) This limited warranty is invalid if the factory-  
applied serial number has been altered or removed from  
the product.  
§ 7 Limitation of liability  
This limited warranty is the complete and exclusive  
warranty between you and MUSIC Group. It supersedes  
all other written or oral communications related to this  
product. MUSIC Group provides no other warranties for  
this product.  
(5) Free inspections and maintenance/repair work  
are expressly excluded from this limited warranty, in  
particular, if caused by improper handling of the product  
by the user. This also applies to defects caused by normal  
wear and tear, in particular, of faders, crossfaders,  
potentiometers, keys/buttons, guitar strings, illuminants  
and similar parts.  
§ 8 Other warranty rights and  
national law  
(1) This limited warranty does not exclude or limit the  
buyer’s statutory rights as a consumer in any way.  
(6) Damage/defects caused by the following conditions  
are not covered by this limited warranty:  
(2) The limited warranty regulations mentioned herein  
are applicable unless they constitute an infringement of  
applicable mandatory local laws.  
improper handling, neglect or failure to operate the  
unit in compliance with the instructions given in  
BEHRINGER user or service manuals;  
 
5
V-TONE GM108 User Manual  
1. Introduction  
This one is for keeps!  
With the GM108 you’ve got your hands on a sizzling-hot guitar amp that will  
push your buttons in all the right places!  
The electronic components of your V-TONE GM108 are well protected in its robust  
steel casing. The casing also has high-quality, environment-friendly MDF wood  
that is covered with high-resistance leatherette. Your GM108 won’t leave you  
stranded even during tough stage use.  
Simply cool, simply amazing.  
Our one-of-a-kind “V-TONE Analog Modeling” gives you the hottest, most “in”  
guitar amp sounds on earth without placing unreasonable demands on the  
amount of background knowledge you need to have. The V-TONE GM108 has  
everything you need to create exactly the sound you want right at your fingertips.  
The purpose of this manual is to familiarize you with all the functions  
of your new amp so you put to good use all that the amp has to offer.  
After you have read it through, keep it somewhere where you can later  
find it. It’s of no use to you when it’s lost ;-).  
Wanna change the sound of your amp in a second? Simply use one of the switches  
to select another amp or another speaker. And that’s it! Combined with all the  
other settings that you can make, you can produce an entire array of different  
sounds. And all that without getting yelled at by the neighbors: just plug in your  
headphones and start playing! But beware:  
1.1 Before you get started  
The GM108 was carefully packed at the factory to assure it will survive the  
rigors of the road. If the cardboard packaging looks like it’s been through a lot,  
please inspect the contents and look for indications of damage. In case your  
High-volume music can damage your hearing and/or your headphones. amp is damaged, DO NOT send it directly to us. Instead, first notify the  
Turn the MASTER control to zero (all the way to the left) before you  
power up your amp. Always try to play at appropriate volume levels.  
store where you bought it as well as the carrier who made the delivery.  
Otherwise, you may void your warranty.  
Always make sure your V-TONE GM108 gets enough air flow and never put it near  
the heating or other heat-emitting equipment to avoid damage to the amp.  
Absolute power and tube sound  
Protecting your hearing aside, if you crank up your V-TONE GM108, it can cause  
quite a stir in your practice room or even on the stage ;-). How your amp is wired  
is shown in figures 2.1 and 2.2.  
2. Wiring Hints  
The following illustrations show you how to connect your guitar to the amp.  
The GM108 with “V-TONE Analog Modeling” gives you a tube sound full of life  
that will simply blow you away. From crystal-clear all the way to ultra-distorted,  
anything and everything is possible.  
If you want to use stomp boxes or an effects pedal to experi-ment with different  
new sounds, simply connect the guitar directly to the input of your effects unit.  
Of course, you will need an additional cable for this purpose to connect the  
In doing so, you remain in full control over the volume: you can create the same  
sound, regardless of whether you play at bedroom levels or if you play at full blast output of the effects unit to the amp input.  
in your practice room.  
If you own an electronic tuner, you should hook it up pre effects unit to  
avoid interference.  
Jam!  
Your amp’s speaker is automatically muted when you insert a plug into  
the headphone connector (10).  
The V-TONE GM108 is simply an awesome practice amp because its CD input  
lets you jam to your favorite CDs—without upsetting your neighbors! If you  
want (or are told!) to keep it on the quiet side, all you need is some headphones.  
The BEHRINGER HPS3000, for example, is the perfect choice for exactly that!  
EP2000  
main  
outputs  
EUROLIVE B1520 PRO  
instrument input  
line input  
input  
output  
ADJUST  
1
2
3
4
GAIN  
/
VOLUME  
N
D
COPY  
2
F
U
N
C
T
I
O
N
CONFIGURE  
PEDAL  
BASS EQ  
PRESENCE  
BYPASS/TUNER  
XENYX1204FX  
X V-AMP (optional)  
electric guitar  
V-TONE GM108  
Fig. 2.1: V-TONE GM108 setup (example)  
 
6
V-TONE GM108 User Manual  
CD input  
HPS3000  
CD player  
instrument input  
headphones output  
output  
input  
ADJUST  
1
2
3
4
GAIN  
/
VOLUME  
N
D
COPY  
2
F
U
N
C
T
I
O
N
CONFIGURE  
PEDAL  
BASS EQ  
PRESENCE  
BYPASS/TUNER  
X V-AMP (optional)  
V-TONE GM108  
electric guitar  
Fig. 2.2: Live setup (example)  
Fig. 2.2 shows how your GM108 can be connected to a sound reinforcement  
system. This way, your amp can hold its turf even when used for performing live  
or with a loud band.  
3. Control Elements  
3.1 Front panel  
(1)  
(2) (3) (4) (5)  
(6)  
(7)  
(8)  
(9)  
(10)  
(11)  
(12)  
Fig. 3.1: Front panel control elements  
(1) Use the INST(RUMENT) INPUT connector to hook up your guitar.  
BRITISH: “Aggressive” in the mids, tough and full of punch, that’s how you  
can describe this setting. You get the classic rock sound of the most famous  
British amps.  
Use a standard ¼" TS cable.  
(2) The DRIVE control regulates how much distortion you produce  
(depending on what amp, mode and speaker combination you select).  
CALIF(ORNIAN): Lead and hot rhythms sounds are what you get with this  
setting. This is the amp for that typical Nu Metal Californian sound.  
The DRIVE control works in unison with the MASTER control. To some extent,  
the DRIVE control also affects the volume. To achieve the same volume  
level, turning DRIVE down means you have to somewhat increase MASTER.  
The more you crank up DRIVE, the louder it will get, so that you can finally  
adjust the volume using MASTER. This way, you can greatly vary your sound  
and still be in charge of volume.  
(4) Use the MODE switch to select one of the three settings (CLEAN, HI GAIN  
and HOT) for the basic sound you selected with the AMP switch.  
The following description gives you some rough idea about the  
many possibilities.  
Experiment with DRIVE to come up with exactly the sound you are  
looking for!  
For guitar pros: You can use the volume control of your guitar as a creative  
tool as well. The more you turn it up, the more distortion you end up with!  
CLEAN: as the name says, clean sound, without distortion.  
HI GAIN: ranges from “crunchy” to strongly distorted sounds.  
(3) The AMP switch lets you decide which one of the three classically inspired  
guitar amp sounds you wish to recreate.  
TWEED: Offers the legendary American clean sound, with dynamic bass and  
clear transparence.  
HOT: heavily distorted sound with endless sustain and an extra dollop  
of presence.  
 
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V-TONE GM108 User Manual  
(5) Use the SPEAKER switch to adjust yet another parameter: select one of  
the three outstanding loudspeaker simulations that best fits the amp  
you go with.  
(9) The HIGH control regulates high frequencies. Use HIGH to get your guitar to  
sound “sharper”.  
(10) Hook up your headphones using the HEADPHONE connector. Your amp’s  
loudspeaker is automatically muted as soon as your headphones  
are connected.  
UK: 4 x 12" speaker in an enclosed casing.  
US: 2 x 12" open-back speaker.  
Some headphones can’t handle extremely high volumes without  
beginning to distort. Turn the LEVEL control somewhat down until you  
notice the distortion is gone.  
FLAT: specially tailored for the GM108.  
(6) Hook up the output of your CD player, tape deck or walkman to the  
CD INPUT connector. An MD player will do too. This way, you can play music  
CDs or even CDs accompanying guitar-playing books and practice at the  
same time. Of course, you can do the same using your stereo, but then you  
couldn’t hear both signals simultaneously via your headphones!  
(11) The MASTER control governs the overall volume of your V-TONE GM108.  
MASTER should always be at zero (all the way to the left) whenever you  
hit POWER or when you unplug the cable out of your guitar or your amp.  
Otherwise, loud crackling noise can occur, and they are good for neither your  
amp nor your ears.  
The CD INPUT comes as a standard ¼" TRS stereo jack connector. If your  
CD player features RCA outputs, then you’ll need an adapter or an adapter  
cable. You can get both at most audio stores. Fig. 5.3 in chapter 5 shows  
you what such an adapter looks like. You can also use a mono cable (fig. 5.4)  
without damaging the amp or your CD player.  
(12) Use POWER to power up your GM108. You should always make sure that the  
POWER switch is in the “Off” position when initially connecting the unit to  
the mains.  
Please take note: Merely switching the unit off does not mean that  
it is fully disconnected from the mains. When not using the unit for  
prolonged periods of time, please unplug the unit’s power cord from  
the power outlet.  
(7) Wanna have more bass? Then crank LOW all the way up.  
(8) The MID control is used to lower or increase mid frequencies.  
If you are playing alone, lower these frequencies relative to bass/highs  
to get a cool sound. When you’re playing in a band, increase these  
frequencies relative to bass/highs to cut through. Just keep on  
tweaking your sound until you get it right!  
3.2 Rear panel  
(13) SERIAL NUMBER. Go to behringer.com and register your purchase online.  
(13)  
1
Fig. 3.2: GM108 rear panel  
4. Basic Settings  
The following four illustrations show you how you can setup your V-TONE GM108.  
These settings greatly differ from one another and let you fully exploit the sound diversity of your amp. That way, you have a solid foundation for working on  
developing your own, recognizable sound and tone.  
This setting creates a clear sound that is ideal for finger picking. If you want to use stomp boxes, this setting will be very helpful: The unique sound of your effects will  
come through more strongly.  
Fig. 4.2: Basic setting CLEAN 2  
 
8
V-TONE GM108 User Manual  
This is a great setting for playing country, jazz or blues.  
A hint: Using the pickup closest to the guitar’s neck lets you achieve a rich, clean sound. Try using two pickups at the same time. You’ll create an open, bell-like sound.  
Fig. 4.3: Basic setting CRUNCH  
This setting is optimal for distorted rock guitar parts and power chords.  
To get a tighter sound, try using the pickups located farther away from the guitar neck.  
Fig. 4.4: Basic setting LEAD  
This hot lead guitar sound rocks!  
With the almost endless choice of different sounds you have at your fingertips,  
you will soon develop your own playing style and broaden the limits of your skills.  
This goes for all settings: What guitar you use with your V-TONE GM108 will also  
influence the overall sound of your playing. That’s why we can only give you hints  
that will make getting started easier. The bulk of the work lies in your hands.  
Most guitars sound at their best when volume and tone controls on the  
guitar are turned as far up as they go.  
Experiment with all controls to get more experience and to figure out how to get  
the sound you like. When they find a setting they like, many experienced guitarist  
write down this setting to remember it for future use. On page 9 you will find  
amp illustrations in which you can enter your own favorite settings.  
A hint: Photocopy this page so you can keep on re-using it in the future!  
Fig. 5.1: Wiring of an unbalanced ¼" TS connector for use with INSTRUMENT INPUT  
5. Audio Connections  
The guitar input of the BEHRINGER V-TONE GM108 comes as mono  
¼" TS connector.  
Please keep in mind that all equipment has to be grounded at all times.  
For your own protection, never change or disable the grounding on  
your equipment or on the cables you use!  
Fig. 5.2: Wiring of a stereo headphones connector for use with CD INPUT  
 
9
V-TONE GM108 User Manual  
6. Specifications  
Audio Inputs  
Guitar input connector  
CD input connector  
¼" TS mono connector  
¼" TRS stereo connector  
Audio Outputs  
Headphone output connector  
¼" TRS stereo connector  
15 Watts RMS into 4 Ohms  
Fig. 5.3: Stereo adapter cable  
System Specifications  
Power amp output  
Loudspeaker  
Fig. 5.4: Mono adapter cable  
Type  
8" vintage design guitar speaker  
Impedance  
Power handling  
4 Ohms  
20 Watts  
Power Supply  
Mains Voltage  
USA/Canada  
120 V~, 60 Hz  
Europe/U.K./Australia  
Japan  
230 V~, 50 Hz  
100 V~, 50 - 60 Hz  
Dimensions/Weight  
Dimmensions (H x W x D)  
approx. 12 11/16 x 14 1/16 x 6 3/8"  
approx. 322 x 357 x 162 mm  
Weight  
approx. 11.3 lbs / 5.15 kg  
BEHRINGER is constantly striving to maintain the highest professional standards. As a result of these efforts,  
modifications may be made from time to time to existing products without prior notice. Specifications and  
appearance may differ from those listed or shown.  
 
10 V-TONE GM108 User Manual  
7. Appendix  
Drive  
Drive  
Drive  
Drive  
Amp  
Amp  
Amp  
Amp  
Mode  
Mode  
Mode  
Mode  
Speaker  
Speaker  
Speaker  
Speaker  
Low  
Low  
Low  
Low  
Mid  
Mid  
Mid  
Mid  
High  
High  
High  
High  
Master  
Master  
Master  
Master  
Notes:  
Notes:  
Notes:  
Notes:  
Song:  
Song:  
Song:  
Song:  
 
11 V-TONE GM108 User Manual  
FEDERAL COMMUNICATIONS  
COMMISSION COMPLIANCE  
INFORMATION  
V-TONE GM108  
Responsible Party Name:  
Address:  
MUSIC Group Services US Inc.  
18912 North Creek Parkway,  
Suite 200 Bothell, WA 98011,  
USA  
Phone/Fax No.:  
Phone: +1 425 672 0816  
Fax: +1 425 673 7647  
V-TONE GM108  
complies with the FCC rules as mentioned in the following paragraph:  
This equipment has been tested and found to comply with the limits for a Class B  
digital device, pursuant to part 15 of the FCC Rules. These limits are designed  
to provide reasonable protection against harmful interference in a residential  
installation. This equipment generates, uses and can radiate radio frequency  
energy and, if not installed and used in accordance with the instructions, may cause  
harmful interference to radio communications. However, there is no guarantee that  
interference will not occur in a particular installation. If this equipment does cause  
harmful interference to radio or television reception, which can be determined  
by turning the equipment off and on, the user is encouraged to try to correct the  
interference by one or more of the following measures:  
Reorient or relocate the receiving antenna.  
Increase the separation between the equipment and receiver.  
Connect the equipment into an outlet on a circuit different from that to which the  
receiver is connected.  
Consult the dealer or an experienced radio/TV technician for help.  
This device complies with Part 15 of the FCC rules. 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, including interference that may  
cause undesired operation.  
Important information:  
Changes or modifications to the equipment not expressly approved by MUSIC Group  
can void the user’s authority to use the equipment.  
 
We Hear You  
 

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