Price: Starting at $11.00
This 5814A / 12AU7 tube is labeled for GE's highly sought after 5 star series. It has gray plates and a disc getter. Choose from tubes that test as premium new (precisely matched plates), as new, or as good.
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Price: Starting at $19.00
The 5814A / 12AU7 tubes in this premium matched pair are labeled for GE's highly sought after 5 star series. They have gray plates, extra support rods, and disc getters. Choose from pairs that test as new, good, or bargain. They are all very low noise.
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The 5814A / 12AU7 tubes in this premium matched pair are labeled for GE's highly sought after 5 star series. They have gray plates, extra support rods, and halo getters. Choose from pairs that test as new, good, or bargain. They are all very low noise.
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Price: Starting at $14.00
This 1950s 5814A / 12AU7 tube is labeled for GE's highly sought after 5-Star broadcast series. It has gray plates, triple micas, and extra support rods. Choose from tubes that test as premium new (precisely matched plates), as new, or as good.
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This military spec JAN 5814A by GE is a special quality 12AU7 type tube. It has gray plates and a halo getter. Tube tests good.
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This military spec RCA JRC-5814A has black plates, triple micas, and extra support rods. Tube tests premium new with precisely matched plates.
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The RCA JRC-5814A tubes in this premium matched pair are military spec 12AU7 type tubes. They have black plates, triple micas, and extra support rods. Both tubes test as premium new and are precisely matched to each other.
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This RCA 5814A / 12AU7 tube is labeled for the broadcast quality RCA Command series. It has black plates, extra support rods, and a halo getter. Tube tests good with very low noise.
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The RCA 5814A / 12AU7 tubes in this premium matched pair are labeled for the broadcast quality RCA Command series. They have black plates, extra support rods, and halo getters. Both tubes test as new with very low noise and are precisely matched.
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This military spec Sylvania JAN 5814A is a special quality 12AU7 type tube. It has gray plates and a halo getter. The green print on the glass reads JAN 5814A. Tube tests as new with very low noise.
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The military spec Sylvania JAN 5814A tubes in this premium matched pair are special quality 12AU7 type tubes. They have gray plates and halo getters. The green print on the glass reads JAN 5814A. Both tubes test as premium new (precisely matched plates).
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This military spec RCA JAN 5963 is a premium 12AU7 type tube. It has long gray plates. Tube tests as new.
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Price: Starting at $25.00
This 5963 is a premium version of the 12AU7 type tube that was made by RCA and labeled for Hewlett Packard. It has long gray plates and a halo getter. Choose from tubes that test as premium new (matched plates) or as new.
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The 5963 tubes in this premium matched pair are industrial versions of the 12AU7 type tube. They were made by RCA and labeled for Hewlett Packard. They have long gray plates and halo getters. Tubes test as new and are sold as a premium matched pair.
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The 5963 is an industrial 12AU7 type tube. This version was made by Sylvania and labeled for National. It has long gray plates and a halo getter. Tube tests as new with very low noise.
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The 5963 tubes in this premium matched pair are industrial 12AU7 type tubes. They were made by Sylvania and labeled for National. They have long gray plates and halo getters.
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This 1959 Amperex 12AU7 / ECC82 tube was made in Holland (Heerlen factory codes) and has the Bugle Boy label. It has gray plates and a large halo getter. Tube tests as premium new with matched plates and very low noise.
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This 1960s 12AU7 / ECC82 tube was made by Amperex and labeled for other companies. It has gray plates, a large O getter, and a white label. The Heerlen, Holland factory code is etched in the glass. Tube tests good with very low noise.
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The 1960s 12AU7 / ECC82 tubes in this premium matched pair were made by Amperex. They have gray plates and halo getters. The white labels are nearly gone, but the Heerlen factory code is etched in the glass. Both tubes test new and are precisely matched.
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The 12AU7 / ECC82 tubes in this precisely matched pair were made in Yugoslavia and labeled for International Servicemaster. They have smooth plates & look quite similar to the Telefunken smooth plate tubes. Tubes test as new & come in the original boxes.
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Price: Starting at $29.00
This rare 1958 12AU7 / ECC82 tube was made by Mullard and labeled for Heath. It has long plates and an O getter with dual support posts. Choose from tubes that test as good or bargain.
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The Telefunken 12AU7 / ECC82 tubes in this premium matched pair have long ribbed plates and halo getters. Their white labels have the Telefunken logo and the diamond imprint is stamped in the bases. Both tubes test as new and are precisely matched.
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This Telefunken 12AU7 / ECC82 tube has long ribbed plates and a halo getter. The white label has the Telefunken logo and the diamond imprint is stamped in the base of the glass. Tube tests as new with very low noise.
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Price: Starting at $11.00
This 12AU7 tube was made in Japan and labeled for Baldwin organs. It has gray plates and a square getter. Choose from tubes that test as new or good.
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Price: Starting at $14.00
This late 1950s 12AU7 tube was made by Raytheon and labeled for Baldwin or Thomas organs (yellow label). It has long black plates and a halo getter. Choose from tubes that test as premium new (precisely matched plates), new, or good.
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Price: Starting at $39.00
The late 1950s 12AU7 dual triode preamp tubes in this premium matched pair were made in the USA by Raytheon and labeled for Thomas or Baldwin organs. They have long black plates. Choose from precisely matched pairs that test as new or good.
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Price: Starting at $18.00
This 12AU7 by RCA has the popular black plates and is labeled as organ stock. (Tubes that were intended for use in organs were screened for low noise.)
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This 12AU7 is made by Sylvania and labeled for Hammond organs. (Tubes that were intended for use in organs were screened for low noise.) It has a halo getter and gray plates.
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This 12AU7 is made by Sylvania and labeled for Conn organs. (Tubes that were intended for use in organs were screened for low noise.) It has ribbed gray plates and a square getter. Tube tests as new.
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These premium matched pairs of 12AU7 tubes were made by Sylvania and labeled for Conn organs. They have ribbed gray plates and square getters. These tubes test as new with precisely matched plates and are sold as premium matched pairs.
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