(Modcan 35A Has This) Re: [sdiy] Spring Reverb silliness

[Cynthia Webster]

on 10/6/03 9:24 AM, Tim Parkhurst at tparkhurst at siliconbandwidth.com wrote:

Hi Tim!

The Modcan 35A Spring Reverb Has This Feedback Feature,
(as well as VC Wet/Dry Mix) built-in.

It really is great!  Kind of like having a poor man's digital delay...

Cynthia


> The thread about the spring reverb drive circuit got me thinking. How about
> putting a small speaker and microphone in the reverb tank and feeding the
> signal back to the reverb input (perhaps with a slight delay) to get
> feedback and/or sustain? Maybe you don't even need the microphone for
> feedback, since the signal from the speaker will influence the springs. I'm
> sure I've heard of doing this before, but I've never seen an actual
> application. Perhaps the feedback signal could be filtered and converted to
> a DC control voltage that would keep the VCF and VCA open (or control some
> other tone quality or a wave folder/mangler). A non acoustic feedback
> circuit could easily be set up from the reverb output back to the input, but
> I can help thinking that the qualities imparted by a speaker in the tank
> would be more interesting. Whaddaya think? Any Van Halen wannabees out
> there?
> 
> 
> Tim Servo