Sylvania 6SN7GTBad Boy TubesHello – I have a matched pair of Sylvania 6SN7GT "Bad Boy" tubes for sale. These are the real deal. Bad Boy's have three holes in the plates, where later 6SN7GT's have two. This pair has "T" sh...200.00
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Sylvania 6SN7GT Bad Boy Tubes Matched Pair [Expired]
Hello – I have a matched pair of Sylvania 6SN7GT "Bad Boy" tubes for sale.
These are the real deal. Bad Boy's have three holes in the plates, where later 6SN7GT's have two.
This pair has "T" shaped plates with three holes and foil getters in the bases of the tubes. They were made in the early 1950's.
These test as NOS tubes.
TV-7/B test results: 100/100 and 105/105. Minimum is 50.
They have also been checked for noise and microphonics in the phono stage of my DIY pre-amp and are dead quiet.
All tubes are tested on my calibrated TV-7/B or on my calibrated Hickok 539C. All of these tubes have been tested for transconductance, shorts, gas, leakage and life. All tubes meet or exceed manufacturer published specifications of transconductance (Gm) for the specified tube type. All tests are tested twice – prior to the listing and prior to shipping.
Please e-mail me at firstname.lastname@example.org if you have any questions or you may call me at 602-803-6290.
Please check out my other ad’s on Audiogon.
If you don’t see the tubes you are looking for, please contact me.
Be sure and click on the “other items’ link for more tubes.
I will ship international.
Domestic shipping is $9.00 and international shipping is $16.00.
Your tubes will be carefully packed.
No charge for paypal. I also accept money orders and personal checks.
Please check my feedback and buy with confidence.
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