Crown ma-1202 Manual De Usuario
Operation Manual
MA Series Power Amplifiers
page 8
3.6 Wire Your System
Turn down the Level controls (fully counterclock-
wise) and turn off the amplifier before wiring it as
described below.
wise) and turn off the amplifier before wiring it as
described below.
3.6.1 Stereo Mode
See Figure 3.6. Set the back panel stereo/mono
switch to Stereo.
switch to Stereo.
INPUTS: Connect input wiring to both channels.
OUTPUTS: Maintain proper polarity (+/-) on output
connectors.
connectors.
Connect Channel 1 positive (+) speaker load to
Channel 1 positive terminal of amp; repeat for nega-
tive (-). Repeat Channel 2 wiring as for Channel 1.
Channel 1 positive terminal of amp; repeat for nega-
tive (-). Repeat Channel 2 wiring as for Channel 1.
3.6.2 Bridge-Mono Mode
See Figure 3.7. Set the back panel stereo/mono
switch to Bridge-Mono.
switch to Bridge-Mono.
INPUTS: Connect input wiring to Channel 1 only.
OUTPUTS: Connect the speaker across the positive
terminals of each channel. Do not use the nega-
tive terminals when the amp is being oper-
ated in Bridge-Mono mode.
terminals of each channel. Do not use the nega-
tive terminals when the amp is being oper-
ated in Bridge-Mono mode.
NOTE: The Channel 2 Level control should
be set fully counter-clockwise when operat-
ing the amplifier in Bridge-Mono mode.
be set fully counter-clockwise when operat-
ing the amplifier in Bridge-Mono mode.
CAUTION: Be certain all equipment (meters,
switches, etc.) connected to the mono out-
put is balanced. To prevent oscillations,
both sides of the line must be isolated from
the input grounds.
switches, etc.) connected to the mono out-
put is balanced. To prevent oscillations,
both sides of the line must be isolated from
the input grounds.
3 Setup
Figure 3.6 Stereo Wiring
Figure 3.7 Bridge-Mono Wiring