I'm still fuzzy on the PS. Are there going to be three tubes, two diodes and one rectifier? I think the rest of the B+ PS is the tranny, choke and cap.

I'm going to order some shieled 2-conductor wire w/drain (Belden 8450). This is what Doc used in the new SEX kit. Want me to pick some up for you? No problem to throw it in the mail your way.....Colin

• http://www.weisd.com/store2/BEL8450%20010U1000B.html

The PS with the custom power Iron will use two diodes. I suggested using the 6CA4 which is a pair of diodes in the same envelope, sharing a cathode( which we'd tie together anyway ), and a 6.3vac/1A heater for its indirectly heated cathode. The high voltage winding will have its center tap grounded( probably best to attach directly to the capacitor, and do a single ground point, a.k.a. star grounding.

This site keeps comming up when I search for a drawing. V1 and V2 can be a single valve( GZ34/5AR4 or 6CA4 ), or as drawn if you decide to use damper diodes, which come one diode to an envelope. The resistive load is of course substituted for our amplifier section.
regards,
Douglas

• http://www.tpub.com/content/neets/14178/css/14178_138.htm

Just remember, I like big Iron, and if I can use it laer, I may get something even more expensive. There are probably other appropriate chokes out there, I have not found detailed specs on them or gone looking very hard to find them.

With very few wxceptions everything in the parts list has multiple supliers of acceptable parts.
regards,
Douglas

Actually, according to the PSUD sims I just ran, critical current seems to be a bit over 12 mA for a 250V input, so this may be a better place to start than the 157G.

Note as input voltage goes up, so does critical current.
regards,
Douglas