Orange Squeezer Interaction with Boss DS-1

[pb3000]

I am finding some weird behavior with my diy orange squeezer clone.  It sits on a breadboard currently, until I finish tweaking the circuit.

Initially after building it, I just threw it in front of a small chain of pedals, but then later when adjusting the trimpot I isolated it.

that's when I noticed virtually no change between bypassed and engaged.

So I put my Boss DS-1 after it, and all of a sudden there is a difference between bypassed and engaged - like a bit of a treble boost and the compression.

Is this something to do with the non-true bypass of the DS-1?  It is a noticeable and consistent difference with or without the DS-1 in the chain.  And strange that when hooked up alone I cannot detect a sonic difference (I mean like the percussive sound of the compressed guitar and the other subtle sonic changes you hear in a compressor.  I can detect some slight compression - in that if I setup the amp settings to get just a tiny bit of breakup when bypassed, the engaged, compressed signal does not break up.  Make sense?

Any thoughts appreciated.

thank you.

[oskar]

You are not providing enough information. Voltages and links to the project pages your using and schematics.
http://www.diystompboxes.com/smfforum/index.php?topic=29816.0

So I put my Boss DS-1 after it, and all of a sudden there is a difference between bypassed and engaged - like a bit of a treble boost and the compression.

Is this something to do with the non-true bypass of the DS-1?

Maybe the DS-1 loads down the signal less than the other boxes and also has gain.
Make yourself an audioprobe and try and follow the signal through the circuit.

[pb3000]

Solved.  It's the buffer in the DS-1.  Something about the buffer in front of the OS turns it from awful mud to very nice.  A clean boost pedal does the same.

Anyone else have this issue with this circuit?  A simple fix, for sure, but to me an effect circuit should not need a buffer in front to work right.

[Cliff Schecht]

Something sounds off. I've got an OS on my pedalboard and just built another two from old PCB's I had around and none of them get muddy by themselves. I'd say quite the opposite, they add a nice high end chime and a lot of body to the sound when engaged. What op amp are you using?

[scuzzphut]

Input impedance ?