Ecler eHSA2-500 User Manual

Ecler eHSA2-500 User Manual

High impedance amplifiers, multichanel

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eHSA2-250 / eHSA2-500
eHSA4-250 / eHSA4-500
HIGH IMPEDANCE AMPLIFIERS
Multichanel amplifiers
USER MANUAL

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Table of Contents
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Summarization of Contents

Introduction
Main Features
Highlights key functionalities including input attenuation, protection indicators, and built-in circuits.
Installation
Placement, Mounting, Cooling
Guidelines for rack mounting and ventilation to ensure optimal amplifier operation.
Mains Connection
Details on power supply requirements and proper connection procedures.
Input Signal Connections
Explanation of balanced and unbalanced audio signal connectivity using Euroblock connectors.
High-Pass Filter
Description of the switchable 75Hz high-pass filter for each input channel.
Output Connections
Information on connecting loudspeakers to the 100V Euroblock outputs.
Operation and Usage
Start Up
Procedure for safely powering on the amplifier and understanding initial indicator lights.
Input Attenuators
Explanation of rear-panel rotary controls for adjusting input signal levels per channel.
Indicators
Description of PROT, CLIP, and SP LEDs and their operational meanings.
Block Diagram
eHSA2-250
Block diagram detailing the signal path and components for the eHSA2-250 model.
eHSA2-500
Block diagram detailing the signal path and components for the eHSA2-500 model.
eHSA4-250
Block diagram detailing the signal path and components for the eHSA4-250 model.
eHSA4-500
Block diagram detailing the signal path and components for the eHSA4-500 model.

Table of Contents