[sdiy] Calculator Synth

[Grant Richter]

That was a 4 x 4 telephone key pad with a tuning knob per key. Other than
the unusual arrangement, it worked like a regular keyboard with sample and
hold and a gate output.

In the middle was a set of switch activated Vactrols for noiseless
switching.

> From: "Steve Ridley" <spr at spridley.freeserve.co.uk>
> Reply-To: owner-synth-diy at dropmix.xs4all.nl
> Date: Wed, 15 Aug 2001 19:27:28 +0100
> To: <synth-diy at dropmix.xs4all.nl>
> Subject: Re: [sdiy] Calculator Synth
> 
> 
> You could check out the EML300 too.  I think this
> must have been the first calculator style controller
> for synths (unless, of course, you know different).
> 
> I haven't seen a schematic, but there are pics on
> the usual websites (music machines etc)
> 
> 
> Steve Ridley
> 
> 
> 
>