hifi engine

Manual Library / Audio Research

Audio Research LS-28

Stereo Preamplifier (2016)

add a review add a review

Audio Research LS-28


Frequency response: 0.4Hz to 200kHz

Total harmonic distortion: 0.007%

Gain: 18.7dB (line)

Signal to noise ratio: 100dB (line)

Output: 1V (Pre out)

Valve complement: 4 x 6H30P

Dimensions: 480 x 137 x 348mm

Weight: 7.2kg

Year: 2016


Related Catalogues

Foundation Series

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 LS-28 spares or accessories, please contact the company via their website or visit an authorised retailer.