Ecler MPA4-400, Service Manual, Page: 1 / 72

MPA4-400
SERVICE MANUAL
10 0 0 10 0 10 0
POWER
10
OFF
ON
CHANNEL 4
VOL
5
CLIP SP
CHANNEL 1 CHANNEL 3
5
SP
5
CLIP
CHANNEL 2
CLIP SP
5
400
MULTICHANNEL
POWER AMPLIFIER
MP
THERMAL SP CLIP
L EC R E
A 4-
VOL VOL VOL
MAINS INPUT
GND
XLR CONNECTIONS: PIN 1 - GROUND, PIN 2 - PHASE, PIN 3 - NON PHASE
IN 2
LINK CH 1
LINK CH 2
IN 4
BRIDGE IN 3
BRIDGE
OFF ON
IN 3+IN 4
GND LINK
STEREO
BRIDGE
IN 1+IN 2
ON
IN 4
CHANNEL 4
HP FILTER
OFF
ON
OFF
IN 2
BRIDGE IN 1
STEREO
CHANNEL 2
LP FILTER
IN 1
IN 3 LINK CH 1
CHANNEL 3
IN 1
IN 3
IN 1+IN 2
CHANNEL 1
CH 2 -
CH 2 +
MINIMUM LOAD: 4 OHM STEREO, 8 OHM BRIDGE
FOR BRIDGED OUTPUT USE RED POSTS ONLY.
OUTPUT
BRIDGED
CH 3 - CH 4 -
CH 4 + CH 3 +
BRIDGED
CH 1 -
CH 1 +