Alto MC500.4, Service Manual

Page: 2 / 64

INSTRUCTION
LTO MC amplifiers are series of innovative design power amplifiers. Air flow is from
the front to the back to keep in a nice air circulation inside the rack. The automatic fan
which is affected by the machine temperature includes various kinds of speed. This low-noise
fan makes a good result in cooling the heat from machines.
LTO MC500.4 amplifier include 4 independent channels with
separate and power supply. The independent protection system avoids over-heating.
Innovative design and stability power amplifier
Fan-cooled AB class high power amplifier in 19" rack, 2U size
Rugged amplifier in a strong, compact chassis
Indicators: operation/protection, limit, par, brdg, clip, LEVEL: -20 and -10dB
User-controllable clip limiter
Auto-adjusting speed fan
4 independent channels with separate protection system
Smart-designed protection system for auto re-operation after fault
Parallel-input: CH1 to CH2, CH3 to Ch4
Allowing the selection of Stereo or Bridge operation
Low Pass Filter: Allow selection of flat, 35Hz or 75 Hz