Typical schematics for audio distribution from one location to multiple sites / multiple zones
with different tone controls
amperes DA2208 5
POW ER
a m pe re s
O
I
2 1 2 2
M X
a m pe r e s
SIG IN
AUX
M AX
M IN
M AX
M IN
M AX
M IN
M AX
SIG IN
SIG IN
C H2
C H1
C H3
M IN
M IN
M AX
M IN
M AX
SIG IN
SIG IN
SIG IN
C H4
C H6
C H5
TO N E CTRL
M IN
M AX
TREBLE
M IXER
C HIM E
SIG IN
M IN
SOU RCE
M IN
M AX
M AX
E XT INPUT
M IN
M AX
BASS
SIG IN
M US IC S O URCE
M ASTER
O FF
CASS
CD
TUNER
S ELECT
O FF
POW ER
C H1
output 1
output 2
output 3
output 4
output 7
output 8
pre-amplifier mixer
AMPERES DA2208
audio output - line balanced
location A
( soft music )
location B
( paging only )
location C
( monitoring )
location D
( recording )
location E
( general )
location F
( general )
The schematic above illustrates a setup where a single source is to be distrib-
uted to different locations ( eg. different block of building ), and each requires
different level of treble or bass.
balanced line outputs
