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
CHANNEL 3
ALONE
LINK
GAIN
32dB
0.775V
CHANNEL 4
ALONE
LINK
CHANNEL 1
GAIN
32dB
0.775V
GAIN
32dB
0.775V
CHANNEL 2
ALONE
LINK
SIGNAL INPUT TERMINAL
CAUTION: TURN OFF AMPLIFIER BEFORE CHANGING THIS SWITCH
SPEAKER OUTPUT TERMINAL
CAUTION: SPEAKER CONNECTION WITH 8ohm MIN IMPEDANCE
CHANNEL 1
CHANNEL 2
CHANNEL 3
CHANNEL 4
360120725500
MODEL:
A-4
CALIFORNIA, UNITED STATES OF AMERICA
E-mail: [email protected]
w w w . B e t t e r M u s i c B u i l d e r . c o m
ENGINEERED AND DESIGN IN U.S.A.
SAFETY
MARK
USA 120798-1
029611-28
SERIAL NO.
TO REDUCE THE RISK OF ELECTRIC SHOCK, DO NOT
REMOVE COVER. NO USER SERVICEABLE PARTS INSIDE
REFER SERVICING TO QUALIFIED SERVICE PERSONNEL.
CAUTION
RISK OF ELECTRIC SHOCK
DO NOT OPEN
WITHOUT AUTHORIZATION
FUSE
AC-POWER
AC 120V 60Hz
A-4
Front View
CHANNEL 4
0dB
-3dB
-12dB
-32dB
Power
-
00
0dB
VOL
CHANNEL 3
0dB
-3dB
-12dB
-32dB
Power
-
00
0dB
VOL
CHANNEL 2
0dB
-3dB
-12dB
-32dB
Power
-
00
0dB
VOL
CHANNEL 1
0dB
-3dB
-12dB
-32dB
Power
-
00
0dB
VOL
®
®
4-CHANNEL
POWER AMPLIFIER
POWER
A-4
CHANNEL 3
0dB
-3dB
-12dB
-32dB
Power
-
00
0dB
VOL
CHANNEL 2
0dB
-3dB
-12dB
-32dB
Power
-
00
0dB
VOL
CHANNEL 1
0dB
-3dB
-12dB
-32dB
Power
-
00
0dB
VOL
®
®
3-CHANNEL
POWER AMPLIFIER
POWER
A-3
SIGNAL INPUT TERMINAL
CAUTION: TURN OFF AMPLIFIER BEFORE CHANGING THIS SWITCH
SPEAKER OUTPUT TERMINAL
CAUTION: SPEAKER CONNECTION WITH 8ohm MIN IMPEDANCE
CHANNEL 1
CHANNEL 2
CHANNEL 3
360120720400
MODEL:
A-3
CALIFORNIA, UNITED STATES OF AMERICA
E-mail: [email protected]
w w w . B e t t e r M u s i c B u i l d e r . c o m
ENGINEERED AND DESIGN IN U.S.A.
SAFETY
MARK
USA 120798-1
029611-28
SERIAL NO.
TO REDUCE THE RISK OF ELECTRIC SHOCK, DO NOT
REMOVE COVER. NO USER SERVICEABLE PARTS INSIDE
REFER SERVICING TO QUALIFIED SERVICE PERSONNEL.
CAUTION
RISK OF ELECTRIC SHOCK
DO NOT OPEN
WITHOUT AUTHORIZATION
FUSE
AC-POWER
AC 120V 60Hz
GAIN
32dB
0.775V
CHANNEL 3
ALONE
LINK
CHANNEL 1
GAIN
32dB
0.775V
GAIN
32dB
0.775V
CHANNEL 2
ALONE
LINK
Содержание A-3
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