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5.40.17.58
Does anyone recognize this tube?
Any info on this tube?
Follow Ups:
Thanks guys for the quick reply.
Below is part of the description of the auction. SO the seller pretty much knows they are Chinese.
For less the $ 15 they would have been a steel if they were not fake.
12AX7 CV4004
TRIPLE MICA RUGGED CONSTRUCTION
EXCELLENT SONICS
ULTRA LONG LIFE
ORIGIN UNKNOWN (POSSIBLE CHINESE)
MILITARY STYLE PRINT
TESTSED 100%
VERY RARE VALVE
WHITE BOXED
This is labeled as a Mullard 12AX7 see Chip647 for examples, but has an internal structure of a Chinese 12AX7, probably the 8B version.
Steve
Here is what the printing should look like.
Why on earth would Mullard military tubes use an additional US common code for such a tube? They don't.
My guess would be fake. The double mica on top and teh way too perfect white printing would make me REALLY cautious. Something chinese probably.
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