[sdiy] [AH] Arp Solina with excessive chorus noise

[Gordonjcp]

On Sun, Jan 31, 2016 at 11:15:55PM +0000, Richie Burnett wrote:
> You could use an outboard hardware or VST plug-in noise gate, if the instrument's built-in chorus is special, or...
> 
> Keep the on-board Chorus switched off to keep the noise down, and process it with outboard digital chorus, or VST effect on your computer.
> 
> Recapping the supply decoupling capacitors in the chorus circuit sounds like an excellent idea to me. It is exactly high ESR in decoupling capacitors here that can let HF ripple from one BBD clock get into the other BBD circuits and cause that horrible aliasing swooshing noise you get when two changing frequencies beat together.

I'd be looking at all those little disc ceramics, first.  Bet one of them is leaky.

-- 
Gordonjcp MM0YEQ