Toa A-503A - Front Panel Controls and Features; Block Diagram

TOA 500 SERIES
Front Panel Controls and Features
No.
1
2
3
4
5
6
Name
Power on-off switch
Power indicator
Input 1 - 5 volume controls
Bass control
Treble control
Master volume control
Function/Description
Applies line power. Two position button switch for on-off modes.
Comes on when power is turned on.
Adjusts gain of Input 1 - 5 respectively.
Adjusts bass response.
Turn clockwise (CW) to boost and counterclockwise (CCW) to attenuate
the bass response. Tone is flat at center.
Adjusts treble response.
Turn clockwise (CW) to boost and counterclockwise (CCW) to attenuate
the treble response. Tone is flat at center.
Adjusts overall gain of unit.
Block Diagram
A-503A, A-506A, A-512A
BLOCK DIAGRAM