Korg Poly800/EX800 Users

Hi.

--- On Tue, 11/11/08, Gordon JC Pearce MM3YEQ <gordon@...> wrote:

> From: Gordon JC Pearce MM3YEQ <gordon@...>
> Subject: Re: [korgpolyex] Hawk-800 Feature Idea
> To: korgpolyex@yahoogroups.com
> Date: Tuesday, 11 November, 2008, 10:12 PM
> Atom Smasher wrote:
> 
> > just add some velocity "accent" and you can
> not just emulate a 303, but go 
> > beyond a basic 303 sound.
> 
> Bear in mind that a real 303 also slows down the attack
> portion of the 
> filter envelope when accent is on, as you increase the
> resonance.

Ah.. I didn't know that...
I thought the decay was reduced on accented notes, but I'd never have twigged the attack was also slowed at the same time. I assume it's only the filter attack that's altered, not the volume envelope.

> That's why the resonance pot has a double track - one
> half provides 
> feedback around the filter,

So the resonance-boost on accented notes isn't actually from the filter circuit itself? Interesting...

> ...the other varies the time
> constant of an RC 
> circuit formed by C13/VR4/R46 so that as the resonance is
> increased, the 
> attack is lagged by C13 giving the distinctive 303
> "weoow".  It's damn 
> near impossible to emulate on other synths ;-)  In fact,
> only 303 clones 
> and one 303 softsynth get it nearly right...

Ah.. I seee. I hadn't analysed the sound in such detail, I must admit. And I don't have a 303 of my own to run tests on, sadly..
So is the filter env attack only altered on accented notes, or on all notes, as the resonance is increased?

a|x



> 
> Gordon
> 
> 
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