Block Diagram - Biamp CMA Series Operation Manual

Channel 1
+ tele- mic/
(mic/line/tel)
phone line
-
-40dB -20dB
Channels
2 thru 6 + mic/ phtm.
(mic/line) line power
-
-40dB -20dB
Channel 1
+ tele- mic/
(mic/line/tel)
phone line
-
-40dB -20dB
Channels
2 thru 6 + mic/ phtm.
(mic/line) line power
-
-40dB -20dB

BLOCK DIAGRAM

CMA30, CMA60, CMA120
trim
input
xformer
phtm.
power
priority
-10dB
auto. mute
man. mute
input
trim
xformer
(option)
priority
-10dB
auto. mute
man. mute
CMA350
trim
input
xformer
phtm.
power
priority
-10dB
auto. mute
man. mute
trim
priority
-10dB
auto. mute
man. mute
CMA 120 Block Diagram
level
loudness
threshold
compressor
level
threshold
auto. mute
mute/
chime
CMA 350 Block Diagram
level
loudness
threshold
compressor
level
threshold
auto. mute
mute/
chime
13
send/
return
bass treble
rec
stacking
out
input
+
-
amp pre
in out
level
chime
signal peak
remote
control
master
level
power
amplifier
low-cut
line
out
+10V
C
*100V output available
(export option)
send/
return
bass treble
rec
stacking
out
input
+
-
amp pre
in out
level
chime
signal peak
remote
control
master
level
power
amplifier
low-cut
line
out
+10V
C
*100V output available
(export option)
fault
4Ω
8Ω
25V
50V
70V*
com
fault
4Ω
8Ω
25V
50V
70V*
com