SKU:10455131650
Matched Pair General Electric GE 12SL7 12SL7GT Vacuum Tubes NOS NIB
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USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Aug 13 - Aug 18
Description
Matched Pair General Electric GE 12SL7 12SL7GT Vacuum Tubes NOS NIBThis new old stock, new in box (for Tube One) matched pair of GE MANUFACTURED 12SL7 12SL7GT dual triodes was tested on our Pau Hart calibrated TV7 U for shorts, gas and transconductance. There were no shorts or gas. Transconductance measured 38 38 for Tube One (CBS labeled) and 38 42 for Tube Two where minimum (65%) is 32 32. These tubes have copious flashing, side, harp getters, steel plates and steel support rods. WE HAVE SCORES OF THOUSANDS OF
This lot of three Sylvania-MANUFACTURED number 19 tubes was tested on our Paul Hart-calibrated TV7/U for shorts
(New 6679s typically test within 1
I am playing them in my Bottlehead Crack headphone amplifier as I write
This gold pin
new in box Hytron 1N5 1N5GT tubes tested to spec on our Paul Hart-calibrated TV7/U
54 and 64 where minimum (65%) is 50
forward sound with great bass articulation as well
Both tubes have thin cracks in their bases
IN WELL OVER 8000 SALES
Conductance: 1475 / 1690
These tubes have black anode radiators for cooler operation and longer tube life
new in box Hytron 35L6 tubes tested to spec on our Paul Hart-calibrated TV7/U
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