The 1966 Siemens E81CC tubes in this matched pair are said to be some of the finest 12AT7 / ECC81 tubes ever made. They have gray plates, triple micas, and halo getters with dual support posts. Both tubes test as new and are precisely matched.
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This 1966 Siemens E81CC tube is said to be one of the finest 12AT7 / ECC81 tubes ever made. It has gray plates, triple micas, and a halo getter with dual support posts. Tube tests as premium new with precisely matched plates and very low noise.
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The 1961 Siemens ECC81 / 12AT7 tubes in this premium matched pair have gray plates and halo getters. Their white labels have the Siemens logo and the code for the Munich factory is etched in the glass. Both tubes test good at just about 80% for Gm.
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The tubes in this premium matched pair of 1960 ECC81 / 12AT7 tubes were made by Valvo in Hamburg, Germany. They have gray plates and halo getters. They both test as premium new with very low noise and matching date codes.
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Price: Starting at $22.00
This 1963 military spec RCA 12AT7WA tube has a halo getter and mini "ax" style black plates rather than the wing style. The red print on the glass reads JRC 12AT7WA. Choose from tubes that test as premium new (matched plates), new, or good.
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The 1963 military spec RCA 12AT7WA tubes in this premium matched pair have halo getters and mini "ax" style black plates rather than the wing style. The red print on the glass reads JRC 12AT7WA. Tubes test as new with low noise and are precisely matched.
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This military spec Raytheon 12AT7WA / CK6201 dual triode preamp tube has ribbed black plates and a halo getter. Tube tests good with low noise.
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Price: Starting at $16.00
This military spec 6201 / 12AT7WC by GE has gray wing style plates, a disc getter, and extra support rods. The green label reads JAN-12AT7WC and 6201 is engraved in the glass. Choose from tubes that test as premium new (matched plates) or as new.
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Price: Starting at $16.00
This mid-1960s military spec GE 6201 / JG-12AT7WA tube has gray wing plates, a disk getter, and extra support rods. Choose from tubes that test as premium new (precisely matched plates), as new, or good. All the tubes in this lot are very low noise.
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This unusual 6201 / 12AT7 is labeled for GE and has "CANADA 6201" engraved on it. It has wing style plates, a horseshoe getter, and extra support rods. This is a very desirable tube! Tube tests as good and is a very low noise tube.
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This GE 6679 is an industrial grade 12AT7 designed for mobile communication use. This low noise tube has gray wing style plates and a halo getter. Tube tests as new.
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This hard to find RCA 6679 tube is a premium 12AT7 type designed for mobile communications use. It has a halo getter and the gray mini "ax" style plates rather than the wing style. Flashing shows wear but the tube tests as premium new.
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This GE 12AT7 tube has gray wing style plates, a halo getter, and white or red silk screen print on the glass. This low noise tube is structurally identical to the GE 6679 industrial grade 12AT7. Choose from tubes that test as new, good, or bargain.
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Price: Starting at $19.00
This Mazda 12AT7 / ECC81 has wing style plates and a halo getter. Choose from tubes that test as new or good. The white print on the glass has VI-1 under the Mazda logo. The date code is 6107 / AT. Tube tests slightly noisy, so it's selling at a bargain.
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Price: Starting at $44.00
This 1963 Mullard 12AT7 / ECC81 tube has the early white shield logo and BVA insignia. It has gray wing-style plates and a halo getter and the Blackburn factory code is etched in the glass.
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The 1963 Mullard ECC81 tubes in this premium matched pair have the white shield logo and BVA insignia. Matching date codes and Blackburn factory codes are etched in the glass. Both tubes test as new and are precisely matched.
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This 12AT7 / ECC81 tube was made by Mullard and labeled for other companies. It has wing style plates and a halo getter. Tube tests as good and is very low noise.
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Price: Starting at $49.00
This Telefunken 12AT7 / ECC81 tube was made in West Germany and has wing plates, a halo getter, and a diamond imprint in the glass between the pins. Choose from tubes that test as premium new (precisely matched plates) or as good.
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The Telefunken 12AT7 / ECC81 tubes in this premium matched pair have wing style plates, halo getters, and <> diamond imprints between the pins. Both tubes test as new and are precisely matched for transconductance (Gm) and current draw (mA).
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Price: Starting at $39.00
This 12AT7 / ECC81 tube was made by Telefunken and labeled for other companies. It has wing style plates, a halo getter, and a <> diamond imprint in the base. Choose from tubes that test as new or good. They are all very low noise tubes.
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Price: Starting at $19.00
This 1950s Ken-Rad 12AT7 tube has gray wing plates and a windmill getter. The white print on the glass reads "JKR-12AT7." Very rare tube! Choose from tubes that test as new or good.
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This GE 12AT7 tube has gray wing style plates and a windmill getter. Choose from tubes that test as premium new (precisely matched plates), new, good, or bargain.
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This military spec Raytheon JRP-12AT7 dual triode preamp tube has gray wing style plates and a horseshoe getter. It tests as new and is very low noise.
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Price: Starting at $15.00
These RCA 12AT7 tubes have gray wing plates and either "O" or "D" getters with orange silk screen print. Choose from tubes that test as premium new, new, or good.
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Price: Starting at $29.00
This military spec Sylvania JHS-12AT7 has black wing style plates, triple micas, and a halo getter. Choose from tubes that tests as new (precisely matched plates) or new.
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This military spec RCA JRC-12AT7WA has black wing style plates, triple micas, a halo getter, and extra support rods. Tube tests good with very low noise.
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This military spec Sylvania JHS-12AT7WA has gray wing style plates, triple micas, and a halo getter--just like the Gold Brand version. Tube tests as new with very low noise.
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This military spec Tung-Sol JTL-12AT7WA has black wing-style plates and a horseshoe getter. Tube tests as premium new with precisely matched plates and very low noise.
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