hifi engine

Manual Library / Audio Research

Audio Research D-90

Stereo Valve Power Amplifier (1980)

add a review add a review

Audio Research D-90


Power output: 80 watts per channel into 16Ω (stereo)

Frequency response: 25Hz to 20kHz

Total harmonic distortion: 0.5%

Damping factor: 25

Input sensitivity: 1.2V

Signal to noise ratio: 90dB

Dimensions: 490 x 180 x 420mm

Weight: 29kg

Year: 1980


schematics   English -

B brochure   English - Jeepo65

If you have any problems opening files please read the download FAQ. All files are provided under strict licence and reproduction without prior permission or for financial gain is strictly prohibited.

If you have additional documentation please consider donating a copy to our free archive.


This website is not affiliated with or sponsored by Audio Research. To purchase D-90 spares or accessories, please contact the company via their website or visit an authorised retailer.