Matched Pair General Electric GE 12SN7 12SN7GT Vacuum Tubes Copper Support Rods RCA Steel Plate A-frame construction and 1Xb ^2d
$24.42
Description
A-frame construction and 1Xb ^2d date /provenance codes
I played this tube this morning it in my Bottlehead Crack headphone amp with Sennheiser SD 580s and it sounded excellent
They measured 65
new in box US-made 12A6 tubes tested to spec on our Paul Hart-calibrated TV7/U
It has a sheet getter
Matched Pair General Electric GE 12SN7 12SN7GT Vacuum Tubes Copper Support Rods RCA Steel Plate A-frame construction and 1Xb ^2dThis matched pair of General Electric GE 12SN7 12SN7GT dual triodes was tested on our Paul Hart calibrated TV7 U for shorts, gas and transconductance. There were no shorts or gas. Tube One measured 63 65 and Tube Two measured 66 64 where minimum (65%) is 50 50. Both tubes have gray, ladder plates; side horseshoe getters; crenelated, gapped, top mica spacers with smooth sided rectangular bottom mica spacers; copper support rods and great flashing. They
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