[sdiy] Hammond Vibrato Scanner

[mike ruberto]

I've been planning to add a variable drive to my Hammond's scanner but
haven't had any luck finding a suitable motor or drive belts.
>From tinkering with the scanner I find the more interesting effects
are gotten by speeding it up and slowing it down. I'll have to build a
motor driver with voltage controlled speed so I can use an LFO for
this effect.

M. A. Ruberto

On Jan 1, 2008 1:25 AM, David Brown <davebr at earthlink.net> wrote:
> I've always wondered what a Hammond vibrato scanner would be like
> interfaced to a modular synth.  I rebuilt a spare B-3 scanner and
> "jury rigged" it up today. The sample has some noise in it but does
> make a nice vibrato.  I'm thinking of trying it with various
> waveforms instead of just the delay line taps.
>
> Any else on this list tried anything with a vibrato scanner?  I'm
> thinking that if I come up with a nice variable-speed DC motor drive,
> I could drive a "Circle Machine" for the ultimate mechanical module.
>
> http://modularsynthesis.com/modules/DJB-scanner/scanner.htm
>
> Dave
>
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