i tried to make the slow ad mod on my sk-1. the attack is slowed down, but the decay is cutted up after a while. it's a great effect if you use the other...
Can you describe exactly what the decay is doing? Maybe even post up a sound clip into the files section here? I might be able to tell whats happening....
Hey everyone, I'm new here. Been stalking the list since a few days ago when I found an old SK-8 I didn't know I had. A question about this LFO circuit, before...
Hi I am interested in making this circuit for my SK-1: http://tinypic.com/view.php?pic=2wpjz9s&s=4 But I have a few questions before I begin. Firstly what are...
Hello there, I recently bought a Casio SK-1 from a charity shop. It was working well for a few days, and then the keys C4#, D4, D4# and E4 stopped functioning....
Hi Thomas! Yes, it's just a square wave output, but I have seen some mods to it that enable it to get a roughe triangle wave out of it too. I must get round to...
Howdy, It sounds like you need to resolder the ribbon cables at the keyboard and PCB ends. That happens to me a lot with SKs after bending them. Rig ... won't ...
I got the lowest group of four keys to work. You were correct, Rig - one of the connections on the ribbon cable had become detached - thanks! However, the...
have you tested the circuit or got the pic code assembled yet any progress on this project .would love to know. cheers ,glenn. ... voice and audio 1 out....
Just writing up a detailed guide of how to add it onto all of the Sk's. I'm missing some vital information, but i will put it on here as soon as it's ready. x...
The 500k pot the Ghazala uses is going to give you more of a swtich like on/off action because it's 100 times more than what you need! I'm not sure why Ghazala...
Graham- I'm protoboarding the simple VCF right now. I downloaded the "VCF with res CV in.doc" from the files section. I'm noticing that the schematic is a bit...
Hi all, I recently got hold of a boxed SK-1, and it came with a cassette of 100 sounds produced by the Hal Leonard Company for sampling into the SK range of...
Hi Justin, The schematics on Tom's page are correct regarding the 1M resistor. Tom's site did not have a board layout. The error I found was in the board...
Thanks, Graham! Now that i look at Tim's original schematics, i see that the schematic in the files section here is the self-oscillating version (as you said),...
I'm building a sequencer circuit to trigger bends on a instrument I'm working on using the 10 channel led sequencer ( modified so it's 4 steps) on this page ...
Hi / hello, hope you're all well.... I've been lurking around this group for a few months, reading the occasional message and slowly awaiting the time when I...
Hi David, It should run fine off that power supply. The chip in the circuit can handle up to 15V so the 505 should be ok. Just one thing regarding the CV input...
Thanks for the reply Graham, for some reason I thought that the schematic stated 5volts. I can see now that it does clearly says 9 volts... so no problems...
Hi david, You may have actually seen a schematic of the circuit somewhere with 5V labelled on it. But the components are rated to take up to 15V, so long as...
... David, the caps you purchased will be fine. As the (self-appointed) official electronics engineer of this fun bunch, I am pleasantly surprised to say that...
Having problems with message search?
Fill out this form to ensure your group is one of the first to be migrated to the new message search system.
