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Sylvania 12AU7 - organ stock, matched pair
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6 matched pairs in stock
Item Number: 391
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The 1959 12AU7 tubes in this precisely matched pair were made by Sylvania and labeled for Conn organs. (Tubes that were intended for use in organs were screened for low noise.) They have long gray plates with copper grid posts and D getters. The green print on the glass has the Conn logo.
Both tubes test as new with very low noise. They are matched for both transconductance (Gm) and current draw (mA). Tubes ship in new white boxes.
These tubes are sold as a matched pair. Photo is a sample pair from the lot. Singles, when available, are listed as Item 390.
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This 1959 Sylvania 12AU7 tube has gray plates with copper grid posts and a D getter. The green print on the glass is labeled for Conn organs. Tube tests as new with balanced sections.
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This early 1960s Sylvania 12AU7A tube has long gray plates with copper grid posts and a halo getter. The yellow print on the glass has the Sylvania logo. Tube tests as new with balanced sections and very low noise.
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Price: From $11.00 to $18.00
This early 1960s 12AU7A tube was made by Sylvania and labeled for Hammond or Baldwin organs. It has long gray plates with copper grid posts and a halo getter. Tube tests as new with balanced sections and very low noise.
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The 1960s 12AU7A tubes in this precisely matched pair were made by Sylvania and labeled for Silvertone organs. They have long gray plates with copper grid posts and halo getters. Both tubes test as new with very low noise and are matched for Gm & mA.
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Price: From $11.00 to $16.00
This 12AU7 tube was made in Japan and labeled for Baldwin organs. It has gray plates and a square getter. Click "more info" for current availability.
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TC Tubes specializes in precision testing and matching of vintage and new production vacuum tubes for guitar & bass players, audiophiles, and DIY tube audio enthusiasts. Our website features secure payment options and fast, convenient shipping around the world.
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