You can do this with Visio Technical. Older versions are usually available
on eBay at little cost.
> -----Original Message-----
> From: email@example.com [mailto:firstname.lastname@example.org]On
> Behalf Of Paul Kelley N1BUG
> Sent: Thursday, March 06, 2008 2:40 PM
> To: email@example.com
> Subject: [Amps] amp schematic drafting?
> I hope this isn't too far off topic...
> Can anyone recommend free or low cost software for drawing tube
> amplifier schematics? I have been searching for some time but
> haven't found anything with a component library well suited to this
> purpose (often missing are such things as variable caps,
> potentiometers, tubes, relays, switches, and other parts common to
> amps). Or do I need to make my own component library to do this?
> Many years ago I had built my own component library for some old DOS
> 'paint' type program, which worked well enough. Sadly a series of
> stupid actions on my part resulted in loss of those files long ago.
> Paul N1BUG
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