[sdiy] 60s organ sound

[harrybissell]

I might add that a 4024 chip would be an IDEAL candidate for generating
waveforms of this type...   :^P

(of course Ken knows this, but...)

H^) harry

Ken Stone wrote:

> Adding to this, a lot of them used pseudo sawtooth waves too, either by
> charging caps from the square waves, or by making stair-cases by mixing a
> few octave separated saves together.
>
> My suggestion - feed the oscillator into a sub octave generator with at
> least 3 sub octaves, and mix the sub-octaves to taste, then feed the result
> into a fixed formant filter (or a VCF that is not under voltage control).
>
> Of course, this is a much simplified arrangement, but it will be a good
> starting point.
>
> Hammonds start with sines, but most importantly, their harmonics are false -
> taken from the nearest existing frequency to the desired harmonic. Forget
> about simple emulation of this - it never sounds right.
>
> Ken
>
> >In a message dated 12/9/04 2:39:08 PM, torpedo at demadrid.com writes:
> >
> ><<  What I mean is, what sort of waveforms did they use in the oscillators?
> >What shape does the vibrato waveform have? which filters should be used?...  >>
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> Ken Stone   sasami at hotkey.net.au or sasami at cgs.synth.net
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