Audison LR 52 User Manual

Strada Regina Km 3,5 • I 62018 Potenza Picena (MC) • Tel.0733/870.870 • Fax 0733/870.880 • http://www.audison.com
PRINTED IN ITALY - Code 10123900
Power measures taken according to audison standard 1995 edition.
- 12 VDC and 13.8 VDC
- 1 KHz or crossover cut-off frequency
- 0.3 % THD
- Tolerance: +10 %; -5 %
- Continuous power given by RMS Voltage measured on resistive load
- The nominal power of the amplifier is measured upon a battery voltage of 12 Volts
with a 4 Ohms load and with all channels in function.
MANUALE D'USO
MODE D'EMPLOI
BEDIENUNGSANLEITUNG
OWNER'S MANUAL
Amplificatore di potenza per auto
Auto Hi Fi Endstufen
Car power amplifier
Amplificateur de puissance pour l'automobile
LR 52 - LR 72 - LR 132

Audison LR 52 Specifications

General

Channels	2
Power @ 4 Ohms	50 W x 2
Power @ 2 Ohms	75W x 2
Power @ 4 Ohms Bridged	150W x 1
Input Sensitivity	0.2 - 5V
Crossover	50 - 5k Hz
Damping Factor	>100
Dimensions	222 x 52 x 210 mm

Summary

Audison LR Series Owner's Manual

Power Measurement Standards

Details how power is measured according to Audison standard 1995 edition.

Product Features and Installation

Product Features Overview

Describes the two-channel amplifiers, their sophisticated circuitry, and design advantages.

Installation Precautions

Advises on operating temperature, ventilation, power supply compatibility, and safe listening.

Installation Guidelines

Provides instructions for mounting and suggests using Audison cable products.

Important Installation Warnings

Alerts users about input shielding, output connections, and signal distortion.

Connection and Wiring

Unit Fixing and Cable Sizing

Details on unit fixing and recommended power cable sizing.

Power Supply Connections

Recommendations for connecting the power supply, including cable choices.

Speaker Connections

Recommendations for connecting speakers to the amplifier's terminal block.

Pre-In Connections

Details on recommended pre-input connections and available cable lengths.

Block Diagrams

Overall Block Diagram

Illustrates the internal structure and signal flow of the amplifier circuitry.

Tri-Mode Connection Diagram

Explains the tri-mode connection and provides impedance and capacitance data.

Controls, Functions, and Terminals

Indicator Lights and Function Selection

Explains ON/SAFE lights and how to select STEREO/MONO modes.

Inputs and Level Controls

Describes PRE IN inputs and LEVEL controls for sensitivity adjustment.

Connection Terminal Layout

Details the arrangement of output, power supply, and remote terminals.

LR 72 Technical Data

LR 72 Specifications

Provides detailed technical specifications for the LR 72 amplifier.

LR 132 Technical Data

LR 132 Specifications

Provides detailed technical specifications for the LR 132 amplifier.