Crate Acoustic CA120D - System Block Diagram; Signal Flow Overview

CA120D Acoustic Amplifier
7
Channels 1 and 2:
low-z
high-z
low mid cntr
peak
effects master line out
high
DSP/eff
send
phantom
power
tones
gain
gain
aux in/
eff ret
effects
send
aux in/
eff ret
foot
switch
DSP
mode
gain
cd
input
low-z
bal
gnd
lift
high-z
bal
line out
level
external
speaker
level
foot
switch*
*NOTE: Feedback circuit activated when footswitch plug is inserted into Feedback Filters Footswitch jack
filter
1
filter
2
feedback
filters
on/off*
limiter
feedback
circuit
tweeter
cut
power
amp
high pass
hi-freq
driver
low-freq
driver
low pass
System Block Diagram: