[sdiy] filters, inductors & Q

Magnus Danielson cfmd at bredband.net
Sun Jan 23 03:38:44 CET 2005


From: "Paul Perry" <pfperry at melbpc.org.au>
Subject: Re: [sdiy] filters, inductors & Q
Date: Sun, 23 Jan 2005 13:10:36 +1100
Message-ID: <002101c500f0$bad501c0$0a01a8c0 at frostwave>

> 
> 
> > I don't see inductors used much in audio filters, but I think I read 
> > somewhere that an inductor will have greater Q than a similar circuit 
> > without one. What are good reasons to not use inductors in audio filters?
> 
> The good reason 'not to', is the expense & the size and the weight 
> and the comparative unobtainability.

Add stray-mutual inductance with other inductors to help complexing matters.
You can avoid it thought.

Yesterday my latest drum-machine came, it has 15 inductors in its voice-board.
Lovely! ;O)

Cheers,
Magnus



More information about the Synth-diy mailing list