hifi engine

Manual Library / Audio Research

Audio Research D-250

Stereo Power Amplifier (1983-84)

add a review add a review

Audio Research D-250


Power output: 240 watts per channel into 16Ω (stereo)

Frequency response: 20Hz to 20kHz

Total harmonic distortion: 1%

Damping factor: 20

Input sensitivity: 0.8V

Signal to noise ratio: 90dB

Valve complement: 12 x 6550, 2 x 12AT7, 4 x 6DJ8, 4 x 7044, 2 x 6FQ7

Dimensions: 480 x 270 x 530mm

Weight: 63kg

Year: 1983


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-250/D-250 mkII spares or accessories, please contact the company via their website or visit an authorised retailer.