THX QSC SC-433 Manual Del Usuario página 6

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 fre-
quency cabinet, one
amplifier channel for
the mids, and one
amplifier channel for
the high frequencies.
The MH-1063 / MH-
1075 mode switch is
set to TRI-AMP,
bypassing the internal
mid-high passive cross-
over. Active or passive
crossovers are used
before amplification.
Power limiter and DC
blocking remain active.
4