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Arcam Alpha 5 - User Manual

Arcam Alpha 5
13 pages
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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

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

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)

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