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Alto L-20 - User Manual

Alto L-20
91 pages
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Service
MODEL: L-12/16/20
www.altoproaudio.com
Version 2.0
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Summary

ALTO L12,L16,L20 Features

Channel Strips

Features of input channels, including EQ, faders, and I/O.

Master Section

Features of the master output, effects, and monitoring.

Technical Specifications

Input Specifications

Details on mono, stereo inputs, and impedances.

Signal Processing & Output Specs

EQ, DSP, and Main Mix specs.

Power Supply Specifications

Voltage, consumption, and fuse details.

Block Diagram

AUX Return Schematics

AUX Return 1

Schematic for the first AUX return channel.

AUX Return 2

Schematic for the second AUX return channel.

AUX Return 3

Schematic for the third AUX return channel.

AUX Return 4

Schematic for the fourth AUX return channel.

AUX Send Schematics

AUX Send 1

Schematic for the first AUX send channel.

AUX Send 2

Schematic for the second AUX send channel.

AUX Send 3

Schematic for the third AUX send channel.

AUX Send 4

Schematic for the fourth AUX send channel.

Control Room Stage

CTR VU-METER

VU meter and control room output schematic.

L12 DSP Schematic

UDASP In;Out Section

Input/output section schematic for the UDASP module.

Effects Out

Schematic for the effects output.

Power Supply Board

CHEF SFX; Digital Effect Board

Finished Product Test Procedure

Instruments

Required test equipment.

Functions Test

Step-by-step testing of product functionality.

Frequency Response Test

Procedure for testing frequency response.

DSP Test

Procedure for testing DSP functionality.

Sampling Test

Listening test and noise check.

Summary

ALTO L12,L16,L20 Features

Channel Strips

Features of input channels, including EQ, faders, and I/O.

Master Section

Features of the master output, effects, and monitoring.

Technical Specifications

Input Specifications

Details on mono, stereo inputs, and impedances.

Signal Processing & Output Specs

EQ, DSP, and Main Mix specs.

Power Supply Specifications

Voltage, consumption, and fuse details.

Block Diagram

AUX Return Schematics

AUX Return 1

Schematic for the first AUX return channel.

AUX Return 2

Schematic for the second AUX return channel.

AUX Return 3

Schematic for the third AUX return channel.

AUX Return 4

Schematic for the fourth AUX return channel.

AUX Send Schematics

AUX Send 1

Schematic for the first AUX send channel.

AUX Send 2

Schematic for the second AUX send channel.

AUX Send 3

Schematic for the third AUX send channel.

AUX Send 4

Schematic for the fourth AUX send channel.

Control Room Stage

CTR VU-METER

VU meter and control room output schematic.

L12 DSP Schematic

UDASP In;Out Section

Input/output section schematic for the UDASP module.

Effects Out

Schematic for the effects output.

Power Supply Board

CHEF SFX; Digital Effect Board

Finished Product Test Procedure

Instruments

Required test equipment.

Functions Test

Step-by-step testing of product functionality.

Frequency Response Test

Procedure for testing frequency response.

DSP Test

Procedure for testing DSP functionality.

Sampling Test

Listening test and noise check.

Alto L-20 Specifications

General IconGeneral
BrandAlto
ModelL-20
CategoryMusic Mixer
LanguageEnglish

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