Wohler AMP2A-10S User Manual download pdf (Page 21)

AMP2A-4S and AMP2A-10S User Manual P/N 821554 Rev-B Section 3: Technical Information

AMP2A-4S Interconnect Block Diagram

CH. B (R)

Selected

Output

(XLRM)

CH. A (L)

Channel

A (Left)

Source Select

Switch

Channel

B (Right)

Rear

Panel

Input Select Switch (ISS)

Analog Switch PCB

919013S

Left

Right

Balanced Inputs on

Phoenix Connectors

Rear

Panel

Analog Input Impedance:

Phoenix = 40K

Ω,

Balanced

= Phoenix, 3-Pin, Male

Connector Legend

AMP2A-4S Block Diagram

= XLR-M, 3-Pin, Male

Rev-A (01/06/03)

20-Segment

LED Bargraph

Level Meters

Left

Side

Speaker

Phase

Indication

Woofer

Speaker

Right

Side

Speaker

919084

Phase

Indication

PCB

Audio Amplifier PCB

919100-2

or 919164

Headphone

BalanceVolume

DIP Switches

(Input Level Gain Calib.

and Display Mode)

Accessed through

top cover

919030L

Left

Bargraph

Driver PCB

Right

Bargraph

Driver PCB

919030R

1 2 ... 16 17 18 19 20 21 22 23 24

AMP2A-4S and AMP2A-10S 1
Important Safety Instructions 2
Section 1 3
Section 2 7
Installation 9
Front Panel Features 10
AMP2A-10S 11
Front Panel 11
AMP2A-4S 11
Rear Panel Features 12
Rear Panel 13
Section 3 15
Display Mode 17
Gain Calibration 17
919013 PCB Specifications 20
= Phoenix, 3-Pin, Male 21
= XLR-M, 3-Pin, Male 21
Technologies, Inc 24

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Wohler AMP2A-10S User Manual Page 21

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