SKU:35893713870
Matched Pair RCA 5963 12AU7 12AU7A Vacuum Tubes Black Plate Industrial-Grade
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- USA
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- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 30 - Aug 4
Description
Matched Pair RCA 5963 12AU7 12AU7A Vacuum Tubes Black Plate Industrial-GradeThis matched pair of RCA black plate 5963 dual triodes was tested on our Paul Hart calibrated TV7 U and our Maxi Preamp II for shorts, gas, noise, transconductance and gain. There were no shorts, noise or gas and they tested as follows: Tube One: Noise: 84. 6 dB 85. 56 dB ( 92 dB is the Maxi Matcher's noise floor) Transconductance (Maxi Matcher): 1877 1882 Transconductance (TV7 U): 59 65 where minimum (65%) is 50 50 and 100% is 77 77. Gain (Mu (): 16.
Transconductance measured 46 and 50 where minimum (65%) is 30 and 100% is 46
WE HAVE SCORES OF THOUSANDS OF VINTAGE ELECTRONIC PARTS
" "The Flies" and "The Respectful Prostitute
1 % CHANCE THIS MIGHT HAPPEN
matte-black plates
This matched pair of Tung-Sol 6C6 tubes tested 43 and 44
Tube Two measured 1490/23
" "I Shall Go Down The Street
demented and manic like it should
This matched trio of RCA 6FQ7 / 6CG7 dual triodes was tested on our TV7/U for shorts
new in box Sylvania Gold Brand industrial 6AL5 / 5726 / 6097 tubes tested to spec on our Paul Hart-calibrated TV7/U
new in box US-made 8AW8A tubes tested to spec on our Paul Hart-calibrated TV7/U
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Exchange/Return Notes
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