Audio ResearchSP-20usedAudio Research SP-20 PreampAudio Research SP 20 with Phono stage and headphone amp. Sounds great and works great, 1381 hours on tubes designed for over 4000 hours. Uses 6H30 tubes that are readily available. Phono stage h...5500.00

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Audio Research SP-20 Preamp [Expired]


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Audio Research SP 20 with Phono stage and headphone amp.  Sounds great and works great, 1381 hours on tubes designed for over 4000 hours.  Uses 6H30 tubes that are readily available.  Phono stage has 58 db of gain, .5mv to 2.5mv.  Has remote, manual, original box, etc.  Guaranteed to work upon shipping.  One owner

davesaudio1 member since November 2017

 
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