Owner`s manual

3
INTRODUCTION
The wait is over! The much anticipated stereo power
amplifier from Better Music Builder has arrived! And it comes
in two models: A-3 and A-4. A-3 is a 3-Channel and A-4 is
a 4-Channel power amplifier. If you’re really looking for
something to bring life to your party, bring this along and
you’ll have a blast!
This new series is designed by the best minds here in
Better Music Builder to make this the most efficient, most
durable, and of course the best designed amplifier ever.
When you’re using the best components and the most
advanced technology, cutting the total weight wasn’t that
difficult. And to officially make this the most portable
amplifier, we’ve included front handles so you can lug the
machine with ease.
Considering how much power the A Series can bring, it
needs a sophisticated cooling system. That’s where the
patented Turbo-Cooling System from Better Music Builder
comes in. Using the new technology, the system aligns the
amplifier’s massive heat sinks to provide maximum cooling.
Also, the fan speed is programmed to vary automatically
based on temperature. What all this means is that the system
extends the life of power transistors by maintaining safe
internal temperatures.
Intro
SYSTEM FEATURES
PROFESSIONAL POWER AMPLIFIER
A Series is equipped with the following
distinguished features:
Models: A-3
A-4
• 3-Channel and 4-Channel power amplifier
• Sleek aluminum chassis
• Signal level indicator for each channel
• Link and Alone work mode
• Power overload protection
• Sophisticated Turbo-Cooling System helps extend life
• Variable fan speed is automatically adjusted by
temperature
• Anti-dust ventilation grill
• Front handles for portability
• Gain has two settings: 32dB and 0.775V
• Inputs: 3 or 4 XLR audio inputs
• Outputs: 3 or 4 dual-banana audio outputs
Features
THIS AMPLIFIER INCLUDES THE FOLLOW:
• Power Amplifier: 1 pc
• Instructional Manual: 1 pc
• Warranty & Registration Card: 1 pc
A-3 Rear View
A-3 Front View
A-4 Rear View
GAIN
32dB
0.775V
CHA NNEL 3
ALONELINK
GAIN
32dB
0.775V
CHA NNEL 4
ALONELINK
CHA NNEL 1
GAIN
32dB
0.775V
GAIN
32dB
0.775V
CHA NNEL 2
ALONELINK
SIG NAL INPU T TE RMINA L
CAUT ION: TUR N OFF AMP LIFI ER BE FORE CHA NGIN G TH IS SW ITC H
SPE AKE R OU TPUT TERM INAL
CAUT ION: SPE AKE R CON NECT ION WITH 8oh m MI N IMP EDAN CE
CHA NNEL 1 CHA NNEL 2 CHA NNEL 3 CHA NNEL 4
360120725500
MODE L: A- 4
CALIF ORNIA , UNI TED S TATES OF A MERIC A
E-mai l: sa les@b etter music build er.co m
ww w . B et t e r Mu s i c Bu i l d er . c o m
ENGIN EERED AND DESIG N IN U.S.A .
SAFETY
MARK
USA 120798-1029611-28
SERI AL NO .
TO REDUCE THE RISK OF ELECTRIC SHOCK, DO NOT
REMOVE COVER. NO USER SERVICEABLE PARTS INSIDE
REFER SERVICING TO QUALIFIED SERVICE PERSONNEL.
CAUT ION
RISK OF ELECTRIC SHOCK
DO NOT OPEN
WITHOUT AUTHORIZATION
FUS E
AC- POWER
AC 12 0V 60 Hz
A-4 Front View
CHA NNEL 4
0dB
-3dB
-12dB
-32dB
Powe r
-
00
0dB
VOL
CHA NNEL 3
0dB
-3dB
-12dB
-32dB
Powe r
-
00
0dB
VOL
CHA NNEL 2
0dB
-3dB
-12dB
-32dB
Powe r
-
00
0dB
VOL
CHA NNEL 1
0dB
-3dB
-12dB
-32dB
Powe r
-
00
0dB
VOL
®
®
4-CHANNEL
POWER AMPLIFIE R
POW ER
A-4
CHA NNEL 3
0dB
-3dB
-12dB
-32dB
Powe r
-
00
0dB
VOL
CHA NNEL 2
0dB
-3dB
-12dB
-32dB
Powe r
-
00
0dB
VOL
CHA NNEL 1
0dB
-3dB
-12dB
-32dB
Powe r
-
00
0dB
VOL
®
®
3-CHANNEL
POWER AMPLIFIE R
POW ER
A-3
SIG NAL INPU T TE RMINA L
CAUT ION: TUR N OFF AMP LIFI ER BE FORE CHA NGIN G TH IS SW ITC H
SPE AKE R OU TPUT TERM INAL
CAUT ION: SPE AKE R CON NECT ION WITH 8oh m MI N IMP EDAN CE
CHA NNEL 1 CHA NNEL 2 CHA NNEL 3
360120720400
MODE L: A- 3
CALIF ORNIA , UNI TED S TATES OF A MERIC A
E-mai l: sa les@b etter music build er.co m
ww w . B et t e r Mu s i c Bu i l d er . c o m
ENGIN EERED AND DESIG N IN U.S.A .
SAFETY
MARK
USA 120798-1
029611-28
SERI AL NO .
TO REDUCE THE RISK OF ELECTRIC SHOCK, DO NOT
REMOVE COVER. NO USER SERVICEABLE PARTS INSIDE
REFER SERVICING TO QUALIFIED SERVICE PERSONNEL.
CAUT ION
RISK OF ELECTRIC SHOCK
DO NOT OPEN
WITHOUT AUTHORIZATION
FUS E
AC- POWER
AC 12 0V 60 Hz
GAIN
32dB
0.775V
CHA NNEL 3
ALONELINK
CHA NNEL 1
GAIN
32dB
0.775V
GAIN
32dB
0.775V
CHA NNEL 2
ALONELINK