What would cause a hiss in an effects Loop?

[Rockerfeller]

I don't use an effects Loop ever. But there's one in my new Jetta and I used it with a BOING verb pedal at Saturdays gig . Something strange happened and I'm not sure what caused it. Midway through the last set all of a sudden there was an incredibly loud hissing sound coming out of an amp. It was the Reverb pedal I had plugged into the effects Loop, so I turned it off and the problem went away.

I thought maybe it was the brand new battery I put in the pedal dying. I would normally have it plugged into a power supply but for this gig I just threw a new battery in.

When I tried it again this morning, there was no problem.

Do you think that was caused by a weak battery?



It was most definitely not my phone as it was 10 feet away from the amp.

[lowbudget]

How high did you have the master turned up?

[DRZ]

I don't think a battery , but you never know.
I would guess cabling, and cable connection first.

Then possible interference from phone or RF, or other source at the club.

Hard to diagnose a problem that is no longer present the next day. 

Z 

[Rockerfeller]

Dec 9, 2019 12:56:47 GMT -7 DRZ said:

I don't think a battery , but you never know.
I would guess cabling, and cable connection first.

Then possible interference from phone or RF, or other source at the club.

Hard to diagnose a problem that is no longer present the next day. 

Z 

Those are THE most frustrating kind of problems.  I'm gigging it tonight and I'll try different patch cables. 

[Rockerfeller]

Dec 9, 2019 12:54:47 GMT -7 lowbudget said:

How high did you have the master turned up?

Not high.   11 o'clock.

[Dan F"i"fe]

Keep your cat away from the gear!

Sorry I have nothing...