SKU:64297350875
Matched Pair General Electric GE 12SN7 12SN7GTA Vacuum Tubes NOS-Testing
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Ships within 48 hours · Estimated delivery Jul 18 - Jul 23
Description
Matched Pair General Electric GE 12SN7 12SN7GTA Vacuum Tubes NOS-TestingThis matched pair of new old stock testing General Electric GE 12SN7 12SN7GTA dual triodes was tested on our Jackson 648 Mutual Conductance tester for shorts, gas and transconductance. There were no shorts or gas. Tube One measured 95% 93% and 95% 94% for Tube Two. (New 6SN7s typically test from 2600 micromhos and the Jackson expresses this as a percentage.) I am playing them as I write in my Alan Eaton single ended 45 amplifier with RCA Living
crenelated rectangular mica spacers
Their internal structures are all the same
THESE PRODUCTS ARE NO LONGER MADE
All have JABO codes
It measured 42 in its triode section where minimum (65%) is 25 and 100% is 39
There are two new old stock
sheet getters
These ten Sylvania 29LE6s tested to spec on our Paul Hart-calibrated TV7/U
This matched pair of RCA-Victor dark-gray glass 6K6GT tubes was tested on our Maxi-Matcher tube tester with 325 volts on the plates and a bias of -36 volts
This pair of GE black plate 6CG7 / 6FQ7 dual triodes was tested on our Paul Hart-calibrated TV7/U for shorts
Tube One measured 17
a goal post getter
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