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Alto MAC 2.2 Service Manual

Alto MAC 2.2
64 pages
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www.altoproaudio.com
Version 1.0
MODEL: PS 4LA
MODEL: MAC2.2/2.3/2.4

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Alto MAC 2.2 Specifications

General IconGeneral
TypePower Amplifier
Number of Channels2
Frequency Response20Hz - 20kHz (±0.5dB)
THD<0.1%
Input Sensitivity1.4V
Dimensions19" x 3.5" x 12.5" (483mm x 89mm x 318mm)
Weight22 lbs (10 kg)
Input Impedance20kΩ balanced, 10kΩ unbalanced
Connectors (Inputs)XLR, 1/4" TRS
Connectors (Outputs)Binding Post and Speakon

Summary

Introduction

Specification

Block Diagram

Schematic Diagram

Wiring Diagram

PCB Layout

CHA-PU-4 PCB Layout

Top, bottom, and overlay views of the CHA-PU-4 PCB.

MAC2.2-VR PCB Layout

Top layer and overlay views of the MAC2.2-VR PCB.

Test Procedure and Test Result

Stereo Mode Test

Details tests for stereo mode operation and performance.

Parallel Mode Test

Covers testing procedures for parallel mode connection.

Bridged Mode Test

Outlines tests for bridged mode operation and output.

Exploded Views & Mechanical Parts List

Exploded Views

Illustrates the mechanical assembly of the device for different models.

Mechanical Parts List

Lists all component parts for MAC2.2, MAC2.3, and MAC2.4 models.

BOM

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