MXR envelope follower..?how works?

[Paul Perry]

At 08:42 PM 30/11/98 +1100, Stewart Pye  wrote:

>Maybe this is why the bassballs sounds pretty cool too. It's also a wonder
>in the minimal, economical area. With a crude half wave rectifier,
>apparrently controlling the current through transistors to alter the cutoff
>frequency of a multiple feedback lowpass filter. 

I don't have the Baseballs ckt to hand, but the Dr Q envelope filter has
a half wave rectifier controlling a transistor in a strange filter config
(at least, strange to me.... but, since there are 2 obvious errors in the
ckt I have, maybe it isn't really THAT strange!)

paul perry melbounre australia

"How can medievalists be bothered tracing the genealogy of manuscripts when they
could be doing the same with fuzz circuits?"