Introduction - Alto MS8 Service Manual

1. Introduction

MS8/MS8A wooden cabinet speaker is designed for performance. It adopts high-density
MDF 15mm plywood as wooden cabinet, which enjoys features like thick bass. Metal
handle and black powder painted cabinet represents its generosity and characteristics.
The precise electric crossover contained makes the sound clean and clear, with (MS8
150W RMS / 300W peak (AES Standard) /MS8A 200W- LOW /50W-HIGH in EIAJ
(AES Standard)), which can meet needs in any application fields.
MS8/MS8A wooden cabinet speaker are specifically designed for using in hi-quality
performance site and the precise sound reinforcement commercial place. It uses
trapezium configuration which greatly decreases the resonance of the standing wave in
the cabinet. These cabinets uses hi-density matrix spray-paint technics and the bottom
bracket design which make mounting quickly and flexibly. Then HF compression driver
and vented LF are also provided for fully professional performance. The MS full range
models include another Alto innovation: The MODELLER. Thanks to this circuitry user can
select 16 different tastes and applications. The 16 kinds of sound presets especially
thought for application with or without subwoofer, for voice optimized application, for Disco
Music, for jazz, for Rock & Roll among others. The MS8A speaker cabinets include some
exclusive innovations such as switch mode power supply and digital power circuitry (in
selected modes) that make them the lightest powered cabinets of this kind ever made.
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