What could be causing oscillating noise when I use the effects loop of my guitar amp? It's an all tube amp, with a tube driven effects loop. I've tried different cables, pedals,
![QUESTION] My amp is making a terrible buzzing sound that goes away when I turn the bottom most guitar tone knob down to 0. What could be causing this problem and is QUESTION] My amp is making a terrible buzzing sound that goes away when I turn the bottom most guitar tone knob down to 0. What could be causing this problem and is](https://external-preview.redd.it/jhcfvi1ovxyddnwFm_guhoNsLQiJUSzKbzChEeA3g-E.png?format=pjpg&auto=webp&s=1889177fae9aebc2c0708b2299582eed029c5104)
QUESTION] My amp is making a terrible buzzing sound that goes away when I turn the bottom most guitar tone knob down to 0. What could be causing this problem and is
![Does anyone know how I can reduce this buzzing sound coming from my amp? Is it a grounding issue? It makes this sound on my electric and acoustic guitar. It doesn't go Does anyone know how I can reduce this buzzing sound coming from my amp? Is it a grounding issue? It makes this sound on my electric and acoustic guitar. It doesn't go](https://external-preview.redd.it/xYtiT8qpceN1V-amBLv4iGSW6et1qDfAOKG7p5lXQ9Y.png?format=pjpg&auto=webp&s=eb99693ad3f73caecfe7ae0c296d0bfef4c2f9a5)