I had a similar problem and solved it by making a voltage doubling rectifier (from Heathkit SB-102 LMO power supply) from the filament supply .Then you can use an adjustable regulator or Zener diode for regulation.
73, Ed Richards K6UUZ Simi Valley, Ca 93065 Home of the Air Force 1 pavilion On Fri, 12 May 2006 14:36:17 -0400 "W1EOF" <[EMAIL PROTECTED]> writes: > > Do they make a 4au6 or a 3au6? > > > > Jim > > I'd have to look.... but I'd swear I have one. That's by number, you > can't > always assume a 3AU6 is like a 6AU6 with a different filament. If > someone is > interested, email me direct and I'll look for them. > > 73, > > Mark W1EOF > > -- > No virus found in this outgoing message. > Checked by AVG Free Edition. > Version: 7.1.392 / Virus Database: 268.5.6/337 - Release Date: > 5/11/06 > > ______________________________________________________________ > AMRadio mailing list > Home: http://mailman.qth.net/mailman/listinfo/amradio > Help: http://mailman.qth.net/mmfaq.html > Post: mailto:[email protected] > AMfone Website: http://www.amfone.net > AM List Admin: Brian Sherrod/w5ami, Paul Courson/wa3vjb > >

