tube synthsizer

[Paul Maddox]

Martin,

   The average home build modular is also getting expesnsive
and heavy, like I say PSU is the big problem..

  What you say about sawtooths is a problem, many synths
have saw tooth waves, moog/oberhiem/korg/waldorf, ALL
sound different... even two moogs next to each other can
sound VERY different, no good reason... its life... and also
part of the joy of analog synthesis.

  Paul

 P.s. I dont wanna start a war, lets just say it sounds different.


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-----Original Message-----
From:	Martin Czech [SMTP:martin.czech at intermetall.de]
Sent:	Tuesday, October 26, 1999 10:33 AM
To:	cjay at well.com; gur_mil at mail.netvision.net.il; Paul.Maddox at unilever.com
Cc:	synth-diy at mailhost.bpa.nl
Subject:	RE: Re: tube synthsizer


:::  The only problem with using tubes in a synth is the highvoltage
:::that is required, if you can handle 500Vdc then there is nothing
:::to stop you going for it! I would if I had the parts/time.
:::

(cost, power supply, weight?)

I can understand that tube circuits may sound different in "linear"
circuits like filters and amps, especially when overdriven, but why should
a tube sawtooth oscillator saw sound different from a semiconductor
sawtooth oscillator.  Of course, the voltage to frequency function is
completely different, I refer more to the basic waveform. Is it so very
different? I have made some experiments, if the fast sawtooth slope changes
(slope, overshot,shape), it has inaudible effects, if the slope is
fast enough. The shape of the slow slope is more important, but the differences
are very small.

m.c.