[sdiy] Omni chorus

[mark verbos]

got any ARP sliders left? I need one for my sequencer and one for my 
Avatar. Although, I think the 2 are different....

mark

Gene Stopp wrote:

>I had an Omni once - boy did that thing piss me off. The keying-or-something
>capacitors for each key started going bad one by one, so every time I'd turn
>around there would be another stuck note. So I cannibalized it and jumped up
>and down on the circuit boards. Of course I did this after I scavenged:
>
>* A nice 49-note Pratt & Read keyboard
>* A +/-15 volt nicely regulated power supply
>* An ARP potted VCF module to replace a bad one in an Odyssey
>* Some replacement sliders to add to my ARP parts stash
>* The chorus board which I turned into an effects box
>
>I honestly don't remember if I got the TOG chip out - if it was a 50240 then
>I would have definitely grabbed it and put it in the chips drawer.
>
>The chorus board is great. Run a D-50 or OB-8 into it, and you can get some
>pretty thick stuff going on. It is definitely too noisey to bring up on a
>Front-of-House PA, so I added a simple noise gate. Don't think I ever wrote
>down the schematic, however.
>
>I would say that $50 is good for the keyboard assembly, alone.
>
>
>Best Regards,
>
>- Gene
>
>-----Original Message-----
>From: Tim Parkhurst [mailto:tparkhurst at siliconbandwidth.com]
>Sent: Thursday, December 18, 2003 1:52 PM
>To: synth-diy at dropmix.xs4all.nl
>Subject: [sdiy] Omni chorus
>
>
>So here's a question for the group: If I can get a semi-working ARP Omni (Mk
>I) for about $50US, would it be worth the effort to gut the thing for the
>chorus unit? Basically would it be worth it in terms of sound quality, and
>the effort required to remove the chorus circuitry and add voltage control
>to some parameters. I could yank that circuitry out, put it behind a modular
>panel, and still have the top-octave chips to play with. Whaddaya all think?
>
>
>  
>