The reissue Genalex Gold Lion 12AU7 / ECC82 / B749 tube is New Sensor's modern-day effort to recreate the renowned sound signature of the vintage European original. This Russian-made version features a dual post dish getter and gold pins.
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This 1960s GE 12AU7A tube has short gray plates with copper grid posts and a halo getter. The white print on the glass has the GE logo. Tube tests as new with low noise.
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The 1960s GE 12AU7A tubes in this precisely matched pair have pinched gray plates and halo getters. The white print on the glass has the GE logo. Both tubes test as new and are matched for both current draw (mA) and Gm.
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This 1970 Mullard 12AU7A / ECC82 tube has gray plates and a halo getter (Gf2 series). The white print on the glass has the Mullard IEC logo and the Blackburn factory code is etched in the glass. Tube tests as new with phono grade noise levels.
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This 1950s Raytheon 12AU7 tube has long black plates and a halo getter. The yellow print on the glass has the Raytheon logo (partial/missing). Tube tests as new with low noise.
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The 1960s Raytheon 12AU7 tubes in this precisely matched pair were made in the USA. They have long black plates and halo getters. The yellow print on the glass is labeled for Baldwin organs (partial). Both tubes test as new.
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This 1961 Raytheon 12AU7 tube has long gray plates and a halo getter. The red print on the glass is labeled for Hammond organs (partial). Tube tests as new with very low noise.
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The 1961 Raytheon 12AU7 tubes in this precisely matched pair have long gray plates and halo getters. The red print on the glass is labeled for Hammond organs (partial). Both tubes test as new with balanced sections.
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This early 1960s RCA 12AU7A tube has ribbed gray plates, a side getter, and a clear top. Click "more info" for current availability.
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The early 1960s RCA 12AU7A tubes in this precisely matched pair have long gray plates, side getters, and clear tops. The orange print on the glass is labeled for Hammond or Conn organs. Both tubes test as new with balanced sections and low noise.
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This 1960s 12AU7A tube was made by RCA and labeled for organ companies. It has a clear top, side getter, and ribbed gray plates. Tube tests as new.
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This 1957 RCA 12AU7A tube has long black plates and a D getter. The white label on the glass has the RCA logo. Tube tests as new with low noise.
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The late 1950s RCA 12AU7A tubes in this precisely matched pair have long gray plates and halo getters. The orange print on the glass is labeled for Conn organs. Both tubes test as new with balanced sections.
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This late 1950s RCA 12AU7A tube has long gray plates and a halo getter. The orange print on the glass is labeled for Conn organs. Tube tests as new with very low noise.
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This rare 1950s Sylvania 12AU7 tube has long shiny black plates with copper grid posts and a windmill getter. The green print on the glass has the Sylvania lightning logo (label may be partial/missing). Tube tests as new.
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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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The 1959 Sylvania 12AU7 tubes in this precisely matched pair are labeled for Conn or Baldwin organs. They have long gray plates with copper grid posts. Both tubes test as new with very low noise and are matched for Gm & mA.
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The 1960s Sylvania 12AU7A tubes in this precisely matched pair were made in the USA and labeled for other companies. They have halo getters and long gray plates with copper grid posts. Both tubes test as new with very low noise.
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Price: From $10.00 to $23.00
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. Click "more info" for current availability.
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This 1960s Telefunken 12AU7 / ECC82 tube has long ribbed plates and a halo getter. The white print on the glass has the Harmon Kardon logo. The diamond imprint is stamped in the base of the glass. Tube tests as new with very low noise.
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Price: From $5.00 to $17.00
This 12AU7 tube was made in Japan and labeled for Baldwin organs. It has long gray plates and a halo getter. Click "more info" for current availability.
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The Toshiba 12AU7 tubes in this precisely matched pair were made in Japan and labeled for Baldwin organs. They have long gray plates and halo getters. Both tubes test as new and are matched for both current draw (mA) and transconductance (Gm).
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Price: From $24.00 to $39.00
This 1960s Tung-Sol 12AU7A tube has long gray plates and a halo or halo getter. The white print on the glass has the Tung-Sol logo. Click "more info" for current availability.
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This 1961 GE 5814A is a 12AU7 tube type. It has gray plates and triple micas. The white print on the glass has GE's broadcast quality 5-Star series logo and "5814A" is etched in the glass. Tube tests as new with balanced sections and very low noise.
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This 1960s military spec GE 5814A is a 12AU7 tube type. It has gray plates and a halo or disc getter. The green print on the glass has the GE logo and reads "JG-5814A" (partial). Tube tests as new with balanced section and very low noise.
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This early 1960s military spec GE 5814A is a 12AU7 tube type. It has gray plates, triple micas, and extra support rods. The white print on the glass reads "JG-5814A" or "JG-5814WB." Tube tests as new with very low noise.
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The early 1960s military spec GE 5814A tubes in this precisely matched pair are 12AU7 type tubes. They have gray plates, triple micas, and extra support rods. The white labels are partial/missing. Both tubes test as new with very low noise.
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This late 1960s RCA 5814A / 12AU7 tube has black plates and a halo getter. The red print on the glass is partial/missing. Tube tests as new with balanced sections and low noise.
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The 1957 RCA 5963 tubes in this precisely matched pair are industrial 12AU7 type tubes. They have long black plates and foil D getters. The white print on the glass has the RCA logo. Both tubes test as new.
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This 1957 RCA 5963 is an industrial 12AU7 type tube. It has long black plates and a D getter with foil strip. The white print on the glass has the RCA logo. Tube tests as new.
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