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Old 9th December 2012, 02:32 PM   #1
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Default Tubes for sale

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 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:

Click the image to open in full size.

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.

Images:

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A pair of Amperex 6DJ8's. All of the screen printing is missing but I believe that these are from the "Bugle Boy" era. The codes on the tubes are as follows: G Delta5H3 and G Delta6A2. I had trouble reading the second and third figures on the top code set. The tubes have been tested for shorts, gas and transconductance on a Hickok 539A. The results are as follows:

Shorts: PASS
Gas: PASS
Transconductance:

Minimum good: 7750umhos

Tube 1:

Triode 1: 10,000umhos
Triode 2: 11,000umhos

Tube 2:

Triode 1: 9,500umhos
Triode 2: 10,000umhos

I'd like $35 plus $6.50 for shipping.

Images:

Click the image to open in full size.

Last edited by 928GTS; 14th March 2013 at 11:50 PM.
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Old 11th December 2012, 12:40 PM   #2
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Would you have any 12AT7? I can by the JJ, but rather have NOS.
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Old 13th December 2012, 09:57 PM   #3
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Bump.
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Old 25th December 2012, 02:44 PM   #4
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Bump.
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Old 30th December 2012, 03:59 PM   #5
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Bump.
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Old 10th January 2013, 12:55 AM   #6
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Bump.
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Old 14th January 2013, 07:23 PM   #7
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Listing updated and bump.
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Old 17th January 2013, 04:48 PM   #8
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Bump.
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Old 17th January 2013, 05:48 PM   #9
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Location: Barrio Garay,Almirante Brown, Buenos Aires, Argentina
May be you have ECC84???
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Old 17th January 2013, 10:16 PM   #10
jrenkin is offline jrenkin  United States
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Location: Denver, Colorado
PM sent
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