Testseek.com have collected 1 expert reviews of the Audio Research SP9 and the average rating is 0%. Scroll down and see all reviews for Audio Research SP9.
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1 Reviews
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Abstract: Following the introduction of their very expensive, tube/FET hybrid SP11 preamplifier, there were rumors that Audio Research was working on a hybrid tube/transistor preamplifier targeted to cost less than $2000. The rumors were confirmed when ARC showe...
