5e3x2 with vvr loss of volume over time

[mbailey]

I built this amp for a buddy of mine. a few months ago. Lately after its been on say 30 mins or so the volume starts dropping like someone is playing with...

[Nickodemus]

I have an R1000 Rev H which has been losing most of it's volume after about an hour or so off live playing. It just fades out slowly. Both amps are dropping...