TOA Electronics A-712 Stereo Amplifier User Manual


 
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5. NOMENCLATURE AND FUNCTIONS
[Front]
1. Power switch [POWER]
Press to turn ON the power.
Press again to turn the power OFF.
2. Power indicator
Lights green when the power is switched on.
3. Input 1 – 8 volume controls [INPUT 1 – 8]
Adjust the corresponding input signal levels. Turn
each control clockwise to increase and
counterclockwise to decrease the level.
4. Master volume control [MASTER]
Adjusts the overall signal level. Turn the control
clockwise to increase and counterclockwise to
decrease the level.
5. LED level meter
Indicates an output level.
6. Bass control [BASS]
Adjusts bass response. Turn clockwise to increase
bass output, and counterclockwise to decrease it.
The center position provides flat characteristics.
7. Treble control [TREBLE]
Adjusts treble response. Turn clockwise to
increase treble output, and counterclockwise to
decrease it. The center position provides flat
characteristics.
8. Module input volume control [MODULE]
Adjusts the signal level of the module input on the
rear panel. Turn the control clockwise to increase
and counterclockwise to decrease the level.
3. GENERAL DESCRIPTION
Equipped with 6 LINE/MIC selectable inputs, 2 LINE inputs and 1 MODULE input, the A-706, A-712, and A-
724 PA amplifiers are designed to suit PA system applications such as announcements, BGM and
broadcasting in churches, large rooms and factories.
4. FEATURES
Power output of 60 W (A-706), 120 W (A-712), and 240 W (A-724).
Mute Receive function assignable to all inputs, and Mute Send function assignable to Inputs 1 3 and Mute
input.
An equalizer or other signal processor connectable between PWR AMP IN and PRE AMP OUT terminals to
make fine adjustment of sound.
Tone controls (bass and treble).
Output level meter.
Master volume control for adjusting overall input signal level.
Microphone gain trims for adjusting MIC level on Inputs 1 6.
This figure represents the A-724.