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Pioneer A-91D

Stereo Integrated Amplifier (1988-89)

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Pioneer A-91D


The Pioneer A-91D has high driving capacity, suitable for low-impedance speakers.

Use of the Non-switching Circuit Type III reduces distortion for a high-quality playback sound.

The line direct circuit allows for high-fidelity reproduction of sources, with flat frequency characteristics and little tone variation, while the REC selector switch makes tape editing easy.

The unit has a built-in phono equalizer circuit, permitting use of an MC cartridge.

High-quality parts for an outstanding sound reproduction honeycomb chassis, honeycomb heat sink, large insulator, large speaker terminals, CD and Phono gold-plated input terminals, etc.


Power output: 120 watts per channel into 8Ω (stereo)

Frequency response: 1Hz to 150kHz

Total harmonic distortion: 0.003%

Damping factor: 60

Input sensitivity: 0.25mV (MC), 2mV (MM), 150mV (line)

Signal to noise ratio: 83dB (MC), 95dB (MM), 109dB (line)

Output: 150mV (line)

Digital inputs: coaxial, optical

Dimensions: 457 x 475 x 173mm

Weight: 29.2kg

Year: 1987


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