[sdiy] vactrol question

[Harry Bissell Jr]

imho (most) vactrols would be too slow. they probably
have decay times in the 500ms - 1s range... too slow
for an accent circuit.

H^) harry


--- Dave Magnuson <resfreq at hoohahrecords.com> wrote:
> These recent posts regarding vactrols got me
> thinking...
> 
> I have a little toy drum machine that I have
> circuit-bent to give it gate 
> inputs and a mixer...   but accent and/or velocity
> control would be a nice 
> addition.
> 
> After browsing through vactrol datasheets I've
> noticed that on-time is 
> quick, but off-time is a bit slow... so I was
> thinking these might actually 
> work well for an accent or velocity circuit.   This
> drum machine is a piece 
> o' crap anyways, so simple mods are preferred to
> actually building a VCA for 
> each voice... hence my interest in the vactrol idea.
> 
> What do you guys think, is the response time going
> to be acceptable for a 
> use like this?  I don't have any vactrols on-hand,
> otherwise I'd just knock 
> one up and try it.
> 
> Thanks in advance,
> 
> Dave Magnuson 
> 
>