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Phonic MAX 860 Service Manual

Phonic MAX 860
27 pages
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POWERED AMPLIFIER
860/1500/2500MAX 860/1500/2500
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Phonic MAX 860 Specifications

General IconGeneral
Power Output (Bridged @ 8 ohms)860 W
Signal-to-Noise Ratio>100dB
CoolingVariable speed fan
Connectors (Inputs)XLR and 1/4" TRS
Connectors (Outputs)Binding posts and Speakon
Power Output (Stereo @ 4 ohms)430W per channel
Power Output (Stereo @ 8 ohms)280W per channel
Frequency Response20Hz - 20kHz, +0/-1dB
Total Harmonic Distortion (THD)<0.1%
Input Impedance20k ohms (balanced), 10k ohms (unbalanced)
ProtectionShort circuit, thermal, subsonic, RF protection, output DC offset
Power RequirementsAC 220-240V, 50/60Hz
Damping Factor>300

Summary

Front Panel Layout

System Block Diagram

Main Board PCB Layout

Schematic Diagrams

Power Amplifier Schematic

Detailed circuit diagram for the power amplification stage.

Power Amplifier Input (Left) Schematic

Circuit diagram for the left channel input stage of the power amplifier.

Power Amplifier Input (Right) Schematic

Circuit diagram for the right channel input stage of the power amplifier.

Power Amplifier Output (Left) Schematic

Circuit diagram for the left channel output stage of the power amplifier.

Power Amplifier Output (Right) Schematic

Circuit diagram for the right channel output stage of the power amplifier.

Power Amplifier Supply Schematic

Circuit diagram for the power supply unit of the amplifier.

Part Lists

Input Connectors Part List

List of components for the input connectors of the amplifier.

Power Amp (Left) & Controls Part List

List of components for the left channel amplifier and controls.

Power Amp (Right) & Power Supply Part List

List of components for the right channel amplifier and power supply.

Miscellaneous Classification Items

Power Requirement Classification

IC List

Dimensions

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