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Pioneer QA-800A - User Manual

Pioneer QA-800A
42 pages
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Summary

Audio Specifications

Power Amplifier Performance

Details output power, distortion, and frequency response of the power amp section.

Preamplifier Performance

Outlines input sensitivity, distortion, and frequency response of the preamp section.

Front Panel Facilities

Front Panel Control Functions

Describes the operation of controls like volume, bass, treble, filters, and loudness.

Unit Schematics and Parts Lists

Head Amplifier Circuit Diagram

Detailed schematic of the head amplifier unit.

Control Amplifier Circuit Diagram

Detailed schematic of the control amplifier unit.

Main Amplifier Circuit Diagram

Detailed schematic of the main amplifier unit.

Decoder Circuit Diagram

Detailed schematic of the decoder unit.

Logic Circuit Diagram

Detailed schematic of the logic unit.

Power Supply Circuit Diagram

Detailed schematic of the power supply unit.

Summary

Audio Specifications

Power Amplifier Performance

Details output power, distortion, and frequency response of the power amp section.

Preamplifier Performance

Outlines input sensitivity, distortion, and frequency response of the preamp section.

Front Panel Facilities

Front Panel Control Functions

Describes the operation of controls like volume, bass, treble, filters, and loudness.

Unit Schematics and Parts Lists

Head Amplifier Circuit Diagram

Detailed schematic of the head amplifier unit.

Control Amplifier Circuit Diagram

Detailed schematic of the control amplifier unit.

Main Amplifier Circuit Diagram

Detailed schematic of the main amplifier unit.

Decoder Circuit Diagram

Detailed schematic of the decoder unit.

Logic Circuit Diagram

Detailed schematic of the logic unit.

Power Supply Circuit Diagram

Detailed schematic of the power supply unit.

Pioneer QA-800A Specifications

General IconGeneral
Power output40W/ch (8 Ohms, 1kHz)
Frequency response15Hz to 50kHz
Total harmonic distortion0.5%
Input sensitivity2.5mV (mic), 2.5mV (phono), 150mV (line)
Signal to noise ratio65dB (mic), 70dB (phono), 90dB (line)
Dimensions430 x 148 x 347mm
Weight12.8kg
Speaker load impedance4 Ohms to 16 Ohms

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