(!!!!!) (Good Value Pair) 12BH7A Sylvania gray pinched plates NOS and used 1970 era (7.6/8.0.4ma and 7/7ma)
$74.99
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1 low noise pair) 12BH7A Sylvania gray pinched plates NOS and used 1970 era 1 tube) 7.6/8.0ma and Gm=2500/2600 Sylvania NOS 1 tube) 7.0/7.0ma and Gm=2400/2400 Sylvania branded Westinghouse used/good - detailed and open recommended for: - Octave M90 mono amps (http://www.octave.de/)- Quicksilver Audio V4 mono amp- Quicksilver Triode amp- Thor- Doshi Alaap preamp- Art Audio Diavolo- Vexo S40 amp- Art Audio Carissa Signature amp- Art Audio PX25 amp- Universal Audio LA2A
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