Ryan, I get what you mean now. In answer to increasing the decay time, I can see now that the answer will be "negligible", if relying on 0.33uF caps and...
Howdy, This filter mod. Is it for the SK-1? 5? 60? or all? Right now, I'm trying to get all the bending info I can for 3 Sk-5s and 2 SK-60s. Not to mention...
Hi Mark, This mod will work on any of the SK's that use a CV signal line to operate the volume envelope shape - the SK1, 5 and 8 all do, as well as the...
Mark, Sorry, I think I misread your question. I take it now you were referring to my "Phat Philterbank" VCF mod, not the "Slo-A/D mod. Regarding the filter...
Hello, This email message is a notification to let you know that a file has been uploaded to the Files area of the CasioSK group. File : /Phat Philter...
CasioSK@yahoogroups.com
Nov 15, 2007 1:01 am
283
Hi Everybody!! Well, here it is - the magnificent PHAT PHILTER BANK mod! This mod truly turns the humble SK5/8 into an analog monster machine! It is also...
great work graham. has anyone had any luck with this on the sk1? has anyone found the CV voice point on an sk1? again top mod. this is going to sit so nicely...
ok think i've answered my own question.........in the service manual it says pins 89-92(EH-EE) are the four envelope signal outputs, are these the ones? or do...
They're the ones. Tap them at the earliest convenient point out from the processor, that way you get the highest envelope CV voltage possible so the filters...
Hi all! I've just uploaded an mp3 example into the FILES section on this site, in the PHAT PHILTER folder for you to all have a listen. When I get time, I'll...
hi there looks like a very fine mod. one question concerning the previous quick and dirty vcf mod. i'm trying to run the drums through the filter, but can not...
He he, that was going to be my next mod released!! I actually built a 5-module version of the Phat Philter Bank - 4 for the synth sounds, 1 for the drums. I'm...
thanks very much for the in depth reply! I think i'll wait till you release the next drum vcf mod. none the less thanks for the information. stuff like this is...
actually, wait a second looks like you've already decribed the drum vcf. oh dear, late night and a couple of beers... looks like tomorrow is gonna a be a...
Holy Effing Crap! I haven't checked these messages in a while, and I see that Graham is well on his way to turning the SK into a full-blown modular synth! =] ...
Yeah, I was wondering the same. When Graham first mentioned this mod I assumed it would be based around SSM or CEM VCF IC's (which would have cost a boat load,...
... one? ... If it is that design, it would be interesting to exploit the inverted/non-inverted CV response by the LED orientation. I know in some analog...
Hi Justin! Yes, it's based on the Q&D VCF you mentioned. I also actually have his Q&D VCF as well, in the FILES folder on this site. I actually found a mistake...
Hi Ryan, ... X0X drum machines)..... Yes, it is a twin -T type. So simple, so effective. I'd been searching for ages until I found Tim's design. Like you,...
... Perhaps a multi-turn pot for the resonance? Are you using 4-gang pots to control cutoff/resonance for all filters from a single knob? Might be hard to find...
Yeah, I use a 4-gang pot, but I've never seen a multi-turn 4-gang pot before. It's possible that you could just experiment with the right value pot - the one...
I've just uploaded into the FILES section some pics of the Phat Philter Bank installed in my Casio SK8, as an example installation. They're in the Phat Philter...
The fine control pot might actually do the trick, in series with the 10K. I'll try that when I get a chance Cheers, Graham ... oscillation ... have ... ...
Hi all, I just noticed an error in the Phat Philter Bank guide in the FILES section - nothing major - it will still work if you are building it already. The...
Hello, This email message is a notification to let you know that a file has been uploaded to the Files area of the CasioSK group. File : /SK-2...
CasioSK@yahoogroups.com
Nov 28, 2007 5:27 am
306
Hi all, I just modified an SK-2 that had seen better days. My mods/bends have been uploaded as a .jpg. I haven't seen any other schematics on the web so...
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