something weird, I can't explain

[jfk1063]

 Hi,
I had the weirdest thing at a gig yesterday.
I plugged everything in and the clean signal was fine, but when turning on any pedal on my pedalboard the volume dropped dramaticly.
(signal is: buffer, autowah, tuner, tschula, truebypass bluesdriver, klon, analog delay).
After disconnecting the delay it worked again and later with the delay back in the chain it worked fine too.
What can this be?  Turning on any pedal made the volume drop!
Now the pedalboard is working fine and I cannot find any hint on what this phenomonon  could be.
Any ideas?
Thanks!
John

[jkokura]

Potentially a grounding issue. Sounds similar to an issue I had once thy came back to that.

Jacob

[gordo]

+1 on the grounding issue and you'll likely find if you wiggle your cables you'll reproduce it.  I find this happens more with solderless plugs than with soldered. Soldered usually either work or they don't where as solderless can sometimes be a bit "grey".  I still use them though...

[jfk1063]

Thanks!
All patchcables are soldered, but I will check them (hicon and Klotz).
I think I'll also replace the jacks in the delay-pedal for switchcraft.
Btw when turning on the delay the volume didn't drop, but became shrill if I remember correctly.
I haven't been able to reproduce it yet here at home. I was playing over a rental amp. Can it be that that input was loose maybe?
Thanks, John