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Tubes Asylum Questions about tubes and gear that glows. FAQ |
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Tubes Asylum Questions about tubes and gear that glows. FAQ |
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In Reply to: Re: Just do it! PP Triode if you're speakers can take it posted by Eli Duttman on October 7, 2006 at 16:06:48:
Forget the 5V filament... The ST35 transformer gives you two windings
each for 6.3V 2.5A. Use the 6BY5 full-wave damper diode instead.
If not that, then two more octal sockets and use a pair of 6AU4/6AX4 to build a full-wave rectifier. They are cheap, available and very good. Remember you cannot share the 6.3V winding used to light rectifiers with anything else...The second 6.3V winding needs to be budgeted carefully. Another
option is to add a 12.6VCT transformer. 12V trannies are far easier
to find and cheaper than 6.3V trannies - especially among the surplus vendors. If using a 12V filament transformer under the chassis, then
your world opens up to 12V tubes (12SN7, 12V6, 12BH7, etc) - which are often cheaper NOS than their 6V counterparts.-- Jim
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Follow Ups
- Optimizations w/ Triode ST35 Power Transformer - Jim Doyle 10/7/0622:59:05 10/7/06 (1)
- Re: Optimizations w/ Triode ST35 Power Transformer - Eli Duttman 03:53:06 10/8/06 (0)
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