SKU:2458486437
RCA Clear Top 12AU7 ECC82 Vacuum Tube For Your Bottlehead Or Univalve NOS-Testing
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Ships within 48 hours · Estimated delivery Sep 30 - Oct 5
Description
RCA Clear Top 12AU7 ECC82 Vacuum Tube For Your Bottlehead Or Univalve NOS-TestingThis new old stock testing RCA clear top 12AU7 dual triode was tested on our Maxi Preamp II for shorts, gas, noise and gain. There were no shorts, noise or gas. Measurements are as follows: Noise dynamic range: 84. 6 dB 84. 9 dB; Transconductance: 1264 1360 and Gain (Mu): 16. 1 17. 2 New 12AU7s typically test within a standard deviation of 17 17 for gain. The noise floor on this tester is 92dB 92dB. There is no transconductance reference reading and
This Sylvania triple mica 12AU7A / ECC82 dual triode was tested on our Paul Hart-calibrated TV7/U for shorts
The pressing is quite good with a few pops and crackles and I would give it a 7-7
new in box RCA 17CU5 / 17C5 tubes tested to spec on our Paul Hart-calibrated TV7/U
new in box RCA 17AY3 / 17AY3A / 17BS3 / 17BS3A tubes tested to spec on our Paul Hart-calibrated TV7/U
32 and 36 where minimum (65%) is 25
This lot of four RCA 50Y6 tubes tested to spec on our Paul Hart-calibrated TV7/U
phi-shaped mica spacers
US-MANUFACTURED and Quality Brand-BOXED 6CJ3 / 6CH3 / 6DW4 / 6DW4B tested to spec on our Paul Hart-calibrated TV7/U
new in box Sylvania 6A5G tube tested to spec on our Paul Hart-calibrated TV7/U
It measured 80 where minimum (65%) is 50 and 100% is 77
This pair of Raytheon 7189 (6BQ5 / EL84) output tubes was tested on our Maxi-Matcher 2 for shorts
This perfectly-matched septet of new old stock-testing Sylvania 7A7 tubes was tested on our Hickok 800 for shorts
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Exchange/Return Notes
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- Final sale items are not eligible for returns or exchanges.
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