LTO MAC2.2 MKII, Service Manual

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MAC2.2/2.3MK II is highly effective AMP with high power, providing balanced input, Barrier strip for
SP output as well as STEREO/PARALLEL/BRIDGE/LIMT/30HZ filter functions. The users can choose
the respective inner protection measures and power supply to avoid high temperature and short circuit.
2U body
,
big professional stereo power amplifier. Wonderful tone quality and great volume level. Hard
appearance and durable, it can be installed in cabinet or as a solo one.
The amplifier power:
MAC2.2MK II:
stereo output :350W*2(4
Ω
RMS), 750W*2(
2Ω
EIAJ), 230W*2(8Ohms RMS);
bridge output: 710W(8
Ω
RMS), 1500 W(4
Ω
EIAJ)
MAC2.3MK II:
stereo output :1000W (2
Ω
EIAJ), 510W (
4Ω
RMS), 285W(8
ΩRMS);
bridge output: 1000W (8
Ω
RMS), 2200 W (4
Ω
EIAJ)
Many controls on the rear panel:
The clip limiter SW
The filter switch: 30HZ
Stereo/Double-single /Parallel or Bridge operation modes
Separate balanced signal input.
Connect speaker cable to output terminal of rear panel
Signal, clip, protection, power LED on the panel
Each channel has separate DC, heat protection and over-load circuit, protecting the amplifier & speaker
1. Introduction
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