tr606 Waterston BD pitch sweep

[Paul Perry]

At 10:55 AM 1/06/99 +0930,Budweiser [FTS] wrote:
>I have exactly the same problem. I sell the ModBox add on for the TR606, and my
>pitch sweep circuit is based on the one from The Mix. ..<snip>... I am going
>to try and come up with a better design, with a proper voltage control, so
that the
>bass drum can be played over a 1 octave range from a keyboard.

Perhaps a vactrol (LED- light dependant resistor) would be the way to go.
Or 2 vactrols. Maybe with a voltage to current convertor before it if you
have room.
Dont ask me to make it exactly 1 volt/oct, though ;-)

paul perry (frostwave P/L) Melbourne Australia