nwavesailor
Headphoneus Supremus
- Joined
- Nov 14, 2009
- Posts
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B6/57 could be the code. Sorry my eyesight is not as good as before.
There are many tubes that last for thousands of hours, but a pair of 9 pin tubes for $1000............not something I'm doing even if the cost per hour is $1 or perhaps less.