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In Reply to: "Sovteks meas about twice the cold resistance of the US brands posted by JJ Analog on November 21, 2002 at 22:42:04:
Really?! But then Sovtek does have lower turn-on surge. They don't sound anywhere near those NOS though.Since it's so simple, I just went through few pairs myself:
Sovtek 6SN7GT: 2.4, 2.4ohm
Sylvania VT-231: 1.8, 1.8
Tung-Sol 6SN7GT: 1.6, 1.8
Raytheon 6SN7GT: 1.6, 1.8
Mullard ECC32: 1.2, 1.4ECC32 is not really 6SN7. And its lower cold resistance does reflect the higher heater current.
Now I realize cold start is indeed tough on filaments and their power supplies.
Ehien
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Follow Ups
- some more cold resistance - Ehien 23:08:08 11/21/02 (0)