B+ voltage

Get support and show off your MetroAmp JTM 45 kit builds.

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Holgar
Senior Member
Posts: 74
Joined: Sun Dec 31, 2006 7:58 am
Location: Hannover

Re: B+ voltage

Post by Holgar » Wed Apr 14, 2010 3:47 pm

With the Metro tranny my B+ went up from ~390 to 412 Volt by using a old and used Mullard rectifier tube instead of the two new, but bad JJ GZ34 I have tried.

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