Spectacular Audio Research power amp
In the opinion of many the best amplifier produced by AR and one of the best tube power amp ever
75 watts per channel provided by a quartet of 6550 or KT88
The adjustment of the bias directly from the front panel allows perfect tuning
Completely overhauled, tubes in excellent condition
On an aesthetic level it looks like new, no appreciable defect as you can see from the photo gallery.
Inside it is completely original.
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