[HAM] Converting to a SS rectifier

Ted Thompson ted at speakeasyvintagemusic.com
Tue Jan 23 10:32:44 CST 2007


No matter what you do, the voltage will go up.  Even if you do a full 
wave like the original (it's not a bridge) you'll see a big leap in 
voltage because a silicon diode only has a .6 volt drop, where as a tube 
rectifier has a drop that is much higher.

You should seek the correct tubes - even the so called "plug in" 
replacements are dangerous for this very reason.

Cheers!

Ted Thompson
General Manager - Speakeasy Vintage Music

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ElSeveno at aol.com wrote:
>   I can't find a 5V3 or 5AU4 for my 55C amp so I want to copy the diode 
> bridge in the later amps. Anybody have any caveats? I know I should have a surge 
> resistor does the 5 watt 8 ohm sound about right? Any advise welcome.
> 
> paul
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