SKU:72145723968
Matched Pair Sylvania 6SJ7 6J8P Vacuum Tubes NOS-Testing
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- USA
- CAN
Ships within 48 hours · Estimated delivery Aug 7 - Aug 12
Description
Matched Pair Sylvania 6SJ7 6J8P Vacuum Tubes NOS-TestingThis new old stock testing, perfectly matched pair of Sylvania 6SJ7s was tested on our Paul Hart calibrated TV7 U for shorts, gas and transconductance. There were no shorts or gas. Transconductance measured 59 for both tubes where minimum (65%) is 40. They have 939 and 252 date codes, respectively. I am playing them as I write in my Musical Paradise MP 301 MK3 and they sound excellent. WE HAVE SCORES OF THOUSANDS OF VACUUM TUBES. IF IT'S NOT LISTED,
This album is very quiet with a nice
Transconductance measured 36 where minimum (65%) is 30 and 100% is 46
Transconductance measured 49/50 for Tube One and 50/50 for Tube Two (RCA-LABELED)
Transconductance measured 68 for Tube One and 78 for Tube Two where minimum (65%) is 40 and 100% is 62
25 out of 10
new in box GE 13FM7 / 15FM7 tubes tested to spec on our Paul Hart-calibrated TV7/U
S5E and 913 date codes
new in box Zenith 10T10 tested to spec on our Paul Hart-calibrated TV7/U
Minimum (65%) is 50
new in box Ken-Rad 6SB7 / 6SB7Y tube tested to spec on our Paul Hart-calibrated TV7/U
top O getters and large anode radiators for cooler operation and extended tube life
copper support rods and a top
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