QSC SC-423C Mode D'emploi page 7

Connections (continued)
TRI-AMP mode connections- When the mode switch is set to TRI-AMP, connect the high frequency signal to the terminals marked
"INPUT HI + -" and the mid frequency signal to the terminals marked "INPUT MID + -".
TRI-AMP Mode- one
amplifier channel is
used for the low
frequency cabinet, one
amplifier channel for
the mids, and one
amplifier channel for
EN
the high frequencies.
The MH-1075C mode
switch is set to
TRI-AMP, bypassing
the internal mid-high
passive crossover.
Active or passive
crossovers are used
before amplification.
Power limiter and DC
blocking remain active.
4
MH-1075C
LF-Series Cabinet
DCA
DCA
DCM
High
Frequency
Program
Mid
Frequency
Program
Frequency
Low
Program