[sdiy] Which transistors for synth circuits?

Tom Wiltshire tom at electricdruid.net
Thu Dec 30 23:55:17 CET 2021

I don't.

I'm a lame-arse about stuff like that. I use 2N3904 and 2N3906 for basically everything unless there's some absolutely fundamental reason why not. It's amazing what you can get away with. If you were *really* concerned you could match them, but to be honest if you grab a few from the same bag you probably won't notice.

Previously I used to use BC547/557 the same way. I don't even remember why I swapped over. It might have been the pinout rather than anything more important.

> On 30 Dec 2021, at 18:18, cheater cheater via Synth-diy <synth-diy at synth-diy.org> wrote:
> Hi all,
> I was wondering how you pick out transistors (as well as diodes) for
> synth circuits like filters. For example moog filter, 303 filter, etc.
> Do you look for anything in specific? I'm talking about a situation
> where you don't want to use the exact part in the schematic, but want
> to play around with parts and see what comes out of it.
> Best regards
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