Tubes for sale (12AU7, 6V6, 6BQ5, 12AT7, 5Y3. Listing updated regularly)

[928GTS]

I will be listing the tubes I have for sale and updating it regularly as listings come and go. Unless otherwise noted all tubes have been tested for shorts, gas and transconductance on a Hickok 539A. If you are interested in any of the tubes please send me a PM.

A pair of 6V6 tubes. One was manufactured by Raytheon while the other is labeled Silvertone but was manufactured by RCA. Both were tested for shorts, gas and transconductance on a Hickok 539A. The results are as follows:

Shorts: PASS

Gas: PASS

Transconductance:

Minimum good: 2600umhos

Raytheon 6V6: 4000umhos

Silvertone (RCA) 6V6: 5200umhos

I'd like $13.50 plus $6.50 for shipping

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A lot of 9 tubes that would be handy for audio projects. All were tested on a Hickok 539A and found to be free of shorts and gas. Included are the following:

RCA Metal 6V6:

Minimum good: 2600umhos

Result: 2900umhos

6K6:

Minimum good: 1000umhos

Result: 1400umhos

RCA, GE and Sylvania 5U4's and Raytheon 6X4 - All test strong with both sections closely matched

Sylvania 6AQ5W:

Minimum good: 2600umhos

Result: 3700umhos

RCA 12AY7:

Minimum good: 1100umhos

Result: Triode 1: 1550umhos Triode 2: 1700umhos

GE 12BH7A:

Minimum good: 1950umhos

Result: Triode 1: 2900umhos Triode 2: 3100umhos

RCA 12BH7:

Minimum good: 1950umhos

Result: Triode 1: 3500umhos Triode 2: 3200umhos

I'd like $40 plus $11 for shipping.

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A pair of RCA 12AT7's. These tubes are in good shape with most of their screen printing still intact. They have been tested for gas, shorts and transconductance on a Hickok 539A. The results are as follows:

Shorts: PASS

Gas: PASS

Tube 1:

Minimum good: 2500umhos

Triode 1: 3400umhos

Triode 2: 3400umhos

Tube 2:

Triode 1: 5200umhos

Triode 2: 5600umhos

I'd like $15 plus $6.50 for shipping.

Images:

[928GTS]

A pair of RCA 12AU7's. Both tubes are in good shape with their screen printing intact. Both tubes were tested for shorts, gas and transconductance on a Hickok 539A. The results are as follows:

Tube 1:

Minimum good: 1950umhos

Triode 1: 3400umhos

Triode 2: 3200umhos

Tube 2:

Triode 1: 3100umhos

Triode 2: 3400umhos

I'd like $15 plus $6.50 for shipping.

Images:

A pair of of 6BQ5's. One was manufactured by RCA whereas the other was manufactured by Sylvania. They were both tested for shorts, gas and transconductance on a Hickok 539A. The results are as follows:

Shorts: PASS

Gas: PASS

RCA:

Minimum good: 5650umhos

Result: 7600umhos

Sylvania:

Result: 8200umhos

I'd like $20.00 plus $6.50 for shipping

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A pair of smoked glass National Union 6V6GT/G's. These tubes are in good shape though one tube does test below minimum good on my Hickok 539A. This tube may work to a satisfactory degree in some applications. Both tubes were tested for shorts, gas and transconductance with the results as follows:

Tube 1:

Minimum good: 2600umhos

Result: 3000umhos

Tube 2:

Result: 2200umhos

I'd like $13.50 plus $6.50 for shipping.

Images:

[928GTS]

A pair of RCA 6SL7's. Both are in excellent shape with nearly all of the screen printing intact. They have been tested for shorts, gas and transconductance on a Hickok 539A. The results are as follows:

Tube 1:

Minimum good: 1000umhos

Triode 1: 1700umhos

Triode 2: 1700umhos

Tube 2:

Triode 1: 2000umhos

Triode 2: 2100umhos

I'd like $15 plus $6.50 for shipping.

Images:

A pair of smoked glass Sylvania 6V6's. Both are clean and in excellent shape. They are closely matched and have been tested for shorts, gas and transconductance on a Hickok 539A. The results are as follows:

Shorts: PASS

Gas: PASS

Transconductance:

Tube 1:

Minimum good: 2600umhos

Result: 2950umhos

Tube 2:

Result: 2800umhos

Bonus: Also included is a smoked glass General Electric 6V6 that tests at 3000umhos on a Hickok 539A.

For all three tubes I'd like $20 plus $6.50 for shipping.

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A quad of 6SL7's. Included in the quad are the following:

Two Tung Sol's, one GE and one RCA. All have been tested for shorts, gas and transconductance on a Hickok 539A. The results are as follows:

Shorts: PASS

Gas: PASS

Transconductance:

Tung Sol (tall envelope):

Minimum good: 1000umhos

Result:

Triode 1: 2000umhos

Triode 2: 1800umhos

Tung Sol (short envelope):

Result:

Triode 1: 2100umhos

Triode 2: 1950umhos

RCA:

Result:

Triode 1: 2000umhos

Triode 2: 1950umhos

GE:

Result:

Triode 1: 1950umhos

Triode 2: 1750umhos

I'd like $30 plus $6.50 for shipping.

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Three 5Y3GT rectifiers. Included in this pairing are a JAN issue RCA, a GE and a Sylvania 5Y3. All have been tested for shorts and function on a Hickok and the results are as follows:

JAN RCA: PASS

GE: PASS

Sylvania: PASS

I'd like $15 plus $6.50 for shipping.

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A lot of 10 12AU7's. Included in this listing are a pair of GE's, a pair of RCA clear tops, a pair of Sylvania 5814's, a GE 5 star 5963 and a GE 5 star 12AU7 paired together and another GE 12AU7 pair. All have been tested for shorts, gas and transconductance on a Hickok 539A. The results are as follows:

Shorts: PASS

Gas: PASS

Transconductance:

GE 5963 (white print):

Minimum good: 1950umhos

Result:

Triode 1: 4000umhos

Triode 2: 4000umhos

GE 12AU7 (red print):

Result:

Triode 1: 3200umhos

Triode 2: 3500umhos

GE 5963 (red print):

Result:

Triode 1: 3400umhos

Triode 2: 3700umhos

GE 5963 (white print):

Result:

Triode 1: 4300umhos

Triode 2: 4200umhos

Sylvania 5814:

Result:

Triode 1: 3300umhos

Triode 2: 3600umhos

Sylvania 5814:

Result:

Triode 1: 4000umhos

Triode 2: 4000umhos

GE 12AU7:

Result:

Triode 1: 4000umhos

Triode 2: 4000umhos

GE 12AU7:

Result:

Triode 1: 3800umhos

Triode 2: 3800umhos

RCA clear top:

Result:

Triode 1: 3800umhos

Triode 2: 3900umhos

RCA clear top:

Result:

Triode 1: 2400umhos

Triode 2: 2500umhos

I'd like $15 plus $6.50 for shipping for any one pair or you may have all five pairs for $70 plus $6.50 for shipping.

Images:

A pair of RCA 6201's and a pair of RCA 12AT7's. All four tubes are in good shape with most of their screen printing intact. They have been tested for shorts, gas and transconductance on a Hickok 539A. The results are as follows:

RCA 12AT7:

Minimum good: 2500umhos

Result:

Triode 1: 4500umhos

Triode 2: 4500umhos

RCA 12AT7:

Result:

Triode 1: 2800umhos

Triode 2: 3300umhos

RCA 6201:

Result:

Triode 1: 2900umhos

Triode 2: 3500umhos

RCA 6201:

Result:

Triode 1: 3200umhos

Triode 2: 3200umhos

I'd like $15 plus $6.50 for shipping for the 12AT7's and $35 plus $6.50 for shipping for the 6201's.

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