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UNPLANNED DOWNTIME: 12th Oct 23:45
Amp hum just developed
Hi folks,
Just recently taken delivery of a rather lovely 633 Dragonfly RT courtesy of a forum member. Amp is splendid and, until today, has been whisper quiet. Today however it has suddenly developed a loud hum. If nothing is plugged in the hum is there but much quieter than if an instrument cable is plugged in. If guitar on other end then hum is quite pronounced (compared to absolute silence a day ago) and with cable but no instrument it's extremely loud and increases with volume/power/tone increases and cycles with the tremolo speed and depth accordingly.
I've tried various sockets in the house, different cables, and with things like washing machine/fridge/freezer on and off but makes no difference so thinking it's something in the amp rather than simply a ground hum etc.
Any good amp techs in Hampshire area you can recommend given this is unlikely within my very limited comfort zone to experiment etc...
Thanks in advance
Just recently taken delivery of a rather lovely 633 Dragonfly RT courtesy of a forum member. Amp is splendid and, until today, has been whisper quiet. Today however it has suddenly developed a loud hum. If nothing is plugged in the hum is there but much quieter than if an instrument cable is plugged in. If guitar on other end then hum is quite pronounced (compared to absolute silence a day ago) and with cable but no instrument it's extremely loud and increases with volume/power/tone increases and cycles with the tremolo speed and depth accordingly.
I've tried various sockets in the house, different cables, and with things like washing machine/fridge/freezer on and off but makes no difference so thinking it's something in the amp rather than simply a ground hum etc.
Any good amp techs in Hampshire area you can recommend given this is unlikely within my very limited comfort zone to experiment etc...
Thanks in advance
Trading feedback is here https://www.thefretboard.co.uk/discussion/196513/benm39
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Comments
"Take these three items, some WD-40, a vise grip, and a roll of duct tape. Any man worth his salt can fix almost any problem with this stuff alone." - Walt Kowalski
"Just because I don't care, doesn't mean I don't understand." - Homer Simpson
Amp still seems absolutely fine when playing, just seems odd it has developed this hum all of a sudden so just want to make sure I'm not doing any damage etc.