Connections For Regular Or Balanced Inputs - Classe Audio P-153 Owner's Manual

CONNECTIONS FOR REGULAR OR BALANCED INPUTS:

The CLASSÉ P-153 power amplifier is equipped with both regular and balanced inputs.
Either one may be used
connected to a preamplifier which has balanced main outputs, and balanced interconnects with
connectors are also required. Regardless of the amplifier inputs used, stereo or mono operation is
still possible on the P-153.
REGULAR INPUTS
Switch the
REGULAR/BALANCED
amplifier is factory set for regular use.) Connect the regular interconnects to the
the rear panels of the P-153. The balanced connectors are automatically disabled.
BALANCED INPUTS
Switch the
REGULAR/BALANCED
balanced preamplifier and balanced interconnects are also required. For use with balanced
preamplifiers other than Classé, the wiring of the 3-pin
the CLASSÉ P-153 which is wired as follows:
PIN 1: GROUND
PIN 2: POSITIVE (NON-INVERTED) SIGNAL
PIN 3: NEGATIVE (INVERTED) SIGNAL
If the pin configuration of the preamplifier differs from above, the balanced interconnects must be
modified to accommodate the different preamp.
plug the connectors of the balanced interconnects into the locking
XLR
panel of the P-153. (To remove the connectors, press the tab above the connector.)
SEPARATELY BUT NOT SIMULTANEOUSLY
switch to the position marked
switch to the position marked
. The balanced inputs must be
connectors must be matched to that of
XLR
Having confirmed the correct connections,
-7-
P-153 ISSUE 1, APRIL '99
[UP]. (The
"REGULAR"
input jacks on
RCA
"BALANCED" [DOWN]
connectors on the rear
XLR
"XLR"
. A