SKU:94001674892
Matched Pair General Electric GE 12SN7 12SN7GTA Vacuum Tubes NOS NIB
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- USA
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- USA
- CAN
Ships within 48 hours · Estimated delivery Aug 11 - Aug 16
Description
Matched Pair General Electric GE 12SN7 12SN7GTA Vacuum Tubes NOS NIBThis new old stock, new in box matched pair of GE 12SN7GTA dual triodes was tested on our Paul Hart calibrated TV7 U for shorts, gas and transconductance. There were no shorts or gas. Transconductance measured 74 75 for Tube One and 75 76 for Tube Two where minimum (65%) is 50 50. They have gray, ladder plates; crenelated, round top mica spacers with an excised square and circle each, O getters; copper support rods; tall bases and RT 188 5 and KV 188
It has a P7K date code
black plates and Micanol bases
GE-BRANDED 9A8 / PCF80 tube tested to spec on our Paul Hart-calibrated TV7/U
" They have black and silver glass
Three are milspec
This RCA 8008 rectifier tube appears unused
This black plate
Four are 6BK4A
This book is in excellent condition
108/77 and 115/84
7 and 38 milliamps
This trio of Matsushita 11BM8 / LCL82 / 12DZ8 triode/pentodes was tested on our Paul Hart-calibrated TV7 for shorts
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