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Matched Pair General Electric GE 6SN7 6SN7GTA Vacuum Tubes Copper Support Rods NOS-Testing Dutch Amperex They have black plates
Matched Pair General Electric GE 6SN7 6SN7GTA Vacuum Tubes Copper Support Rods NOS-Testing Dutch Amperex They have black plates
$37.69
Description
They have black plates
It is MM wide from the extreme left to the tip of the winding stem on the right
THE BASE HAS BEEN MARKED FOR SAFE AND EASY INSERTION
a Micanol base
new in box Westinghouse WL5642 tubes
Matched Pair General Electric GE 6SN7 6SN7GTA Vacuum Tubes Copper Support Rods NOS-Testing Dutch Amperex They have black platesThis new old stock TESTING matched pair of GE 6SN7GTA dual triodes was tested on our Paul Hart calibrated TV7 U for shorts, gas and transconductance. There were no shorts or gas. Transconductance measured 82 74 for Tube One and 84 74 for Tube Two where minimum (65%) is 50 50 and 100% is 77 77. They have short bases; white silkscreening; side horseshoe getters; copper support rods and great flashing. Their date provenance codes are 3 22 188 5 and 4 39
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