rep_techy wrote:Anyone have mods for chorus/vibrato to match DMM, I read somewhere that changing the 4558 ics to TL072 ics produce better tone.

Nonsence

Hides-His-Eyes wrote:How did anyone build these things in the 70s?!

Because we could - we taught ourselves and got on with it - no internet of course, had to write letters for schematics - different world

That's the Micro Synth - excellent demo!!

Brink wrote:Mouser has them.
I think all 4558 chips are pretty much the same though.

Of course they are, especially at 9v

I understand now - it's reduced from a scan

Good try - Could I suggest that in order to get a really sharp photo, the polyphase is put on it's side against books or something, then put your camera at the right hight - I use old floppy discs, and then take a very steady picture. Unless you have a very steady hand, and nobody does, the detail r...

LFO and audio in same chip - click click click!!!

"Colorsound used to deliberately do this so "only they" could repair their effects."

Did they? Just like they put Fender amps in Vox cabinets? Don't make me laugh!

You quibble over a few pence - unbelievable! I do when I'm buying in THOUSANDS! The profiteering in component procurement and supply is nothing short of criminal in many cases. I've designed equipment for well-known Japanese manufacturers, and know the actual "factory gate" prices of comp...

You quibble over a few pence - unbelievable!

If the 7474 works better than the 4013. I'm sure that MXR would have used it, and so would EH and all the other pedal makers.

ddpawel wrote:
But I want Full analog unit that not contain any digital parts.

Why?

What's wrong with a 4007/4047 combination or even just a 4047?

Will you share with us full project files? Here they are. Have fun. WAW_v013.zip But remember - still not verified. :hmmm: If anybody wants to do me the favour to verify it before I will order the pcb The pots are mounted on the component side. You will have to do a little modification with the pin...

Not worth the hassle - only leads to divorce - I promise you , start again with 13600/13700.

Normal pot + paperclips +wire cutters + solder

I wonder what sort of protection was given to Electric Mistresses when they were stuffed inside containers en route to the Europe from New York back in the 1980s

Ice-9 wrote:Here is a better picture of the envelope follower circuit as requested.

Super, many thanks.

roseblood11 wrote:Great work!

But could you please upload a bigger version of that picture?

Perhaps a pdf so it can be seen much larger if you please.