One pair of Sophia Electric 6SN7 Grade A vacuum tubes. Less than 20 hours of use. Selling preamp hence the sale.
One pair sold as of Saturday afternoon so one pair still available.
Sophia Electric designers were smart enough to take European virtue combined with North American 6SN7 electrical tube characters, further added with 1920's brass base accent. This is how these ST shape Sophia Electric 6SN7 tubes were born!
Sophia Electric 6SN7 has a lot more openness, more clarity and less distortion than the very best from vintage time. It just sounds bigger(better high frequency extension), louder (more drive voltage swing output), more 3-D imaging for sure (due to better testing and matching procedure applied in any tube amplifier and pre-amplifier). Hundreds of users reported Sophia Electric 6SN7 tubes are better than the vintage 6SN7 tubes being replaced, even the best from vintage time.
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