Tube challenge!

Martin Czech martin.czech at
Mon Nov 22 09:27:07 CET 1999

:::> Why not make a power supply with LM317? Since this IC has no ground
:::> connection it can be used for quite high voltages. It's no longer
:::> short-cicuit proof then, though.
:::Is a stabilized PSU desirable for audio tube circuits at all ?
:::(Many say it's not.)

At least for guitar amps removing silicon rectifiers against
VT rectifiers is discussed, because it differs in the high volume response.
Why can't amps and speakers sound so good at moderate volume?

btw.: does anybody know the typical response courve of the usual
      guitar amp speakers??


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