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Studer A68 User Manual

Studer A68
27 pages
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Studer A68 Specifications

General IconGeneral
THD< 0.05%
Signal-to-Noise Ratio> 100 dB
Total Harmonic Distortion< 0.05%
Frequency Response20 Hz to 20 kHz
Power Output2 x 100 W into 8 Ohms

Summary

General Information

Short Form Description

Brief overview of the 40W power amplifier, its advantages, and applications.

Versions, Options, and Accessories

Details on the 19" frame, power amplifier PCBs, and available options and accessories.

Technical Specifications

Detailed technical data including input impedance, frequency response, output power, and distortion.

Installation and Operation

Unpacking and Inspection

Instructions for safely unpacking and checking the equipment for transport damage.

Place of Installation

Guidelines for selecting a suitable installation location, considering dust, ventilation, and ambient temperature.

Connector Panel and Connections

Description of the various connectors on the unit for input, output, and remote control.

AC Power and Voltage Selection

Information on connecting the AC power and selecting the correct voltage for operation.

Line Input Details

Details on the balanced line inputs and their XLR connectors.

Loudspeaker Output Connections

Information on connecting loudspeakers via XLR or terminal strips, and minimum impedance.

Remote Control Connector

Explanation of the 15-pin connector for remote control functions like muting or attenuation.

Adjustments and Output Configuration

Gain and Level Adjustments

Instructions on how to set the gain and input level for optimal performance.

Replacing Fuses

Procedures for safely replacing mains and amplifier fuses.

Normal Speaker Operation

How to connect loudspeakers for standard two-channel operation.

Bridged Speaker Operation

Instructions for bridged operation, requiring a two-channel version and specific connections.

Schematics and Component Handling

Handling Sensitive MOS Components

Safety precautions for handling sensitive MOS components to prevent static discharge.

Mains Transformer Schematic

Schematic diagram of the mains transformer connections.

Power Amplifier Sub Rack Schematic

Schematic diagram of the power amplifier sub-rack.

Power Amplifier PCB Schematic

Schematic diagram of the power amplifier PCB.

Spare Parts and Safety Precautions

Power Supply Voltage Caution

Warning about dangerous voltages in the power supply and safe handling procedures.

Spare Parts List

List of spare parts with order numbers, descriptions, and quantities.

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