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50 Spring Street, Ramsey, NJ 07446

Tel: 201-934-8500 Fax: 201-934-9832  

www.bogen.com

Warranty

The GA6A is warranted to be free from defects in material or workmanship for two (2) years from the date of sale to the original
purchaser. Any part of the product covered by this warranty that, with normal installation and use, becomes defective will be
repaired or replaced by Bogen, at our option, provided the product is shipped insured and prepaid to: Bogen Factory Service
Department, 50 Spring Street, Ramsey, NJ 07446, USA. The product will be returned to you freight prepaid. This warranty does
not extend to any of our products that have been subjected to abuse, misuse, improper storage, neglect, accident, improper 
installation or have been modified or repaired or altered in any manner whatsoever, or where the serial number or date code has
been removed or defaced.

THE FOREGOING LIMITED WARRANTY IS BOGEN’S SOLE AND EXCLUSIVE WARRANTY AND THE PURCHASER’S SOLE
AND EXCLUSIVE REMEDY. BOGEN MAKES NO OTHER WARRANTIES OF ANY KIND, EITHER EXPRESS OR IMPLIED,
AND ALL IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE ARE HEREBY DIS-
CLAIMED AND EXCLUDED TO THE MAXIMUM EXTENT ALLOWABLE BY LAW. 

Bogen's liability arising out of the manufac-

ture, sale or supplying of products or their use or disposition, whether based upon warranty, contract, tort or otherwise, shall be
limited to the price of the product. In no event shall Bogen be liable for special, incidental or consequential damages (including,
but not limited to, loss of profits, loss of data or loss of use damages) arising out of the manufacture, sale or supplying of products,
even if Bogen has been advised of the possibility of such damages or losses. Some States do not allow the exclusion or limitation
of incidental or consequential damages, so the above limitation or exclusion may not apply to you. This warranty gives you 
specific legal rights, and you may also have other rights which vary from State to State.

Products that are out of warranty will also be repaired by the Bogen Factory Service Department -- same address as above or call
201-934-8500. The parts and labor involved in these repairs are warranted for 90 days when repaired by the Bogen Factory
Service Department.  All shipping charges in addition to parts and labor charges will be at the owner's expense. All returns require
a Return Authorization number.

Power Output:

6 watts RMS

Frequency Response:

30 Hz - 

1

2 kHz +0 dB, -3 dB

Total Harmonic Distortion:

Less than 

1

% at rated output power

Inputs:

Lo-Z MIC, balanced;AUX

Sensitivity:

MIC 0.3 mV;AUX 0.2V

Hum & Noise:

MIC -50 dB;AUX -70 dB

Output Impedance:

8 ohms, 25V and 70V speakers

Tone:

Treble boost at 

1

0 kHz 9 dB, treble cut at 

1

0 kHz 9 dB (switch selected)

Controls:

MIC,AUX, illuminated POWER switch, tone switch

Terminations:

Outputs & microphone: screw terminals 
Auxiliary: RCA phono jack

Protection:

Power thermal protection

Power Consumption:

1

20V AC, 60 Hz,

1

6W

Dimensions:

8-

1

/

2

" W x 6" D x 2-

5

/

8

" H (2

1

.6 x 

1

5.2 x 6.7 cm)

Shipping Weight:

5 lb. (2.3 kg)

Specifications

Summary of Contents for GA6A

Page 1: ... 2004 Bogen Communications Inc All rights reserved Specifications subject to change without notice 54 5757 03B 0406 Utility Amplifier GA6A Model Installation and Use Manual ...

Page 2: ... not use this apparatus near water 6 Clean only with dry cloth 7 DO NOT block any ventilation openings Install in accor dance 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 9 Do not defeat the safety purpose of the polarized or grounding type plug A polarized plug has two ...

Page 3: ...phone and an auxiliary audio source tuner tape deck etc can be mixed Individual front panel controls regulate the level of each input Connections for 8 ohm and 25V or 70V speaker lines are provided on the rear panel output terminal strip A 3 position switch is supplied to provide 9 dB boost 9 dB cut at 10 kHz or flat response Package Contents 1 GA6A 1 Installation and Use Manual Accessories WMT1A ...

Page 4: ...ovides for 8 ohm 25V and 70V speaker outputs 2 Shorting Link Used when 25V or 70V speakers are to be connected to the GA6A Must be removed if 8 ohm speakers are to be connected to the GA6A 3 Microphone Terminal Input terminal strip for a balanced low impedance dynamic microphone 4 AC Line Cord 120V AC 60 Hz 0 15A line cord terminated in a three prong plug 5 Treble Control Switch A 3 position switc...

Page 5: ...8Ω Ω Speaker Systems Low impedance 8 ohm speakers can be connected to the GA6A When using multiple speakers the installer must make sure that the total speaker load is not less than 8 ohms Higher impedances than 8 ohms are safe to connect to the GA6A but the GA6A will not deliver its full output power to these higher impedance loads Connect the 8 ohm speaker load to the GND and 8 ohm terminals and...

Page 6: ...s or a red dot Microphone Input Connect a low impedance dynamic microphone these microphones connect using 3 wires and do not require a power source to the microphone terminals as shown Note Condenser microphones will not work with the GA6A because the GA6A does not supply phantom power which is required for these microphones to operate Use two conductor shielded cable for a balanced input and con...

Page 7: ...ease in high frequency above 10 kHz heard at the output The Cut position can help reduce high frequency feedback The Flat position provides no modification to high frequency response The Boost position provides more clairty and intelligibility to speech Overload Protection The amplifier output is protected against overload and shorted speaker lines by a thermostat enclosed in the power transformer...

Page 8: ...n no event shall Bogen be liable for special incidental or consequential damages including but not limited to loss of profits loss of data or loss of use damages arising out of the manufacture sale or supplying of products even if Bogen has been advised of the possibility of such damages or losses Some States do not allow the exclusion or limitation of incidental or consequential damages so the ab...

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