Is there such a thing as...

[Guybrush]

... an envelope controlled overdrive/distortion?

I have a 'need' for a pedal that when played softly is clean but distorts the harder I play. I know a good overdrive pedal will naturally growl more the harder you dig in but I am after something a little more extreme that works like an envelope filter. i.e The distortion blooms and fades with the attack. Does that make sense?

Thanks in advance!

[playpunk]

Bionix expandadora is what you are looking for. Codtone and jmk have pcb's


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[drolo]

I think Boss came out with something like this a couple of years ago but can't remember which one.

Otherwise you could use some kind of envelope follower (like the follower in the Dr Q for example) and make it control an LDR that increases gain as the input signal gets louder.

[Guybrush]

Bionix expandadora is what you are looking for. Codtone and jmk have pcb's

Ahh thank you. I will check this out. I thought the Expandora was 'just' an overdrive/cruch/distortion though. Does it have envelope qualities too?

I think Boss came out with something like this a couple of years ago but can't remember which one.
Otherwise you could use some kind of envelope follower (like the follower in the Dr Q for example) and make it control an LDR that increases gain as the input signal gets louder.

Yes! This is what I think I am after. You make it sound so easy! Haha. In your much more informed opinion than mine, is this something that would be possible?

I think the Boss pedal is the Dyna Comp. The descriptions sound like what I'm looking for but it's digital so no chance of a DIY version unfortunately.

Thanks

[Boba7]

I think there's a Mid-Fi overdrive that's envelope controlled. Great pedals!

[playpunk]

Bionix expandadora is what you are looking for. Codtone and jmk have pcb's

Ahh thank you. I will check this out. I thought the Expandora was 'just' an overdrive/cruch/distortion though. Does it have envelope qualities too?

My understanding is that the expandora reacts to picking dynamics as you described in your first post.

It has an optical section that acts like a reverse compressor. The harder you attack the strings the more distortions you get. The jhs kilt is a "modded" expandora and there are a bunch of demos of it on the tube of yous.

[Guybrush]

Thanks for the replys guys. I shall check the pedals out.

Still no sign of a DIYable circuit though. I'll keep looking!

Thanks again.

[thesmokingman]

http://shop.pedalparts.co.uk/Expandotron-ZZ_PCB/p847124_14658729.aspx
http://www.codtone.com/gallery/Boards/expandra-board-nonsurface-mount/273117?view=grid&order=date_added
http://jmkpcbs.com/product/expandora/
You can diy it.

[Guybrush]

Sorry, I meant no DIYable circuits (other than the Expandora). I'll definitely be giving this one a try.

Thanks

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