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Arcam Alpha 5 User Manual

Arcam Alpha 5
13 pages
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Arcam Alpha 5 Specifications

General IconGeneral
TypeIntegrated Amplifier
Frequency Response20Hz to 20kHz
Input Sensitivity150mV (line)
Speaker Load Impedance8Ω
Power Output40 watts per channel into 8Ω (stereo)

Summary

CIRCUIT DESCRIPTION

Power Supplies

Details the toroidal transformer, rectification, smoothing, and regulation for +/-37V and +/-15V.

Phono Stage

Describes the dual opamp phono stage, RIAA equalization, gain, and low-frequency roll-off.

Tone Controls

Explains the tone control stage using dual op-amps and potentiometer controls for bass and treble.

Power Amplifier

Covers the input stage, constant current source, output MOSFETs, zener diodes, and shoot-through limiter.

ALPHA 5/6 DISASSEMBLY

ALPHA 5/6 DISASSEMBLY

Detailed steps for disassembling the amplifier unit from its chassis.

REMOVING THE ALPHA 5/6 TRANSFORMER

CHANGE OF MAINS VOLTAGE

LIST OF CIRCUIT DIAGRAMS

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