In Reply to: Edison 60 with 300B`s posted by herman on October 31, 2001 at 01:46:32:
Hi,>I understand that you can run this amplifier with 300B`s also,
You can, but the conversion is considerably more involved than just to change a few components.
> The question is: do I have to take the time to learn all this
> to be able to read the schematic on Thorsten Loesch` website,I would strongly recommend this, if only to be also able to read the schematic and work out what went wrong if anything does.
> or could somebody explain in simple terms which components I
> have to change on the PCB`s and the PSU (I have one input
> transformer).One Transformer has not got enough power for the 300B option, sorry.
>Ps: Will this conversion make any change in the amount of hum/noise?
Depends, if you use AC Filaments the hum will be a little higher. With DC Filaments and due to the added choke filtering in the PSU the hum will be much less.
Ciao T
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