Loud buzzing
Most Amps will buzz or hum when there is a bad ground. It could be because you're plugged into an outlet with some other piece of equipment on it like a motor. if it buzzes on every outlet then there's probably a ground issue in the amp. You can try cleaning your 1/4 jacks with cleaner cause sometimes they'll get cruddy and make for a bad connection. I wouldn't recommend opening the amp and messing around with anything since you could zap yourself. If the amp buzzes withouth even having anything plugged in, then yeah, it's probably the amp with the bad ground. If it buzzes with instrument plugged in, then maybe it's a plug on your instrument since they have to deal with movement and can go faulty after a while. Good luck!
SOURCE: loud buzzing when amp connects to guitar
The buzzing noise could be caused by a grould feedback loop. This occures when the amp is plugged into one power socket and the guitar's amp is plugged into a drifferent power socket.
Try to use a power board, plug in all your devices into this power board and plug the power board into a power socket.
SOURCE: Nothing but loud buzzing coming over the amp.
If the buzz disappears when you unplug the cable from the amp. check your cable.
If the buzz disappears when you unplug the cable from the instrument, there's something thay may have come loose inside the instrument.
If you unplug the cable from the amp., and the buzz persists, you'll have to have a competent tech. check your amp.
SOURCE: won't do anything but buzz very loud
The input or the CD input jacks may have a bad solder joint on the circuit board. If the amp is still under warranty, take it in to be serviced. If not you will have to have someone work on it. If you do it yourself, make absolutely sure there is no power running to it. Also be aware that the filter capacitors in the power supply can retain a dangerous charge. Sometimes you can discharge these by unplugging the amp from the wall power while it is on with the volume very slightly turned up. Once you have the circuit board out, you can wiggle the jacks and see if they feel loose. Look at where they are soldered to the board to see if they need to be resoldered. If that is not the problem then you will need a schematic and some troubleshooting experience and tools. Hope this helps.
SOURCE: my spider III 15 watt buzzes whenever i have a cable plugged in.
MAKE sure you have it connected to a three wire circuit that has the ground. A lot of these style amps will buzz if they are left ungrounded.
Also search for sources of buzzing light light dimmers.
Further, power supply electrolytic filter caps are suspect.
SOURCE: I play Gibson USA Sgs,
If the amp is quiet with cables unplugged at the same settings as observing the buzz, the amp is OK.
In this case, cables and/or shielding and wiring in the guotar is suspect.
Guitar pickups are sensitive to magnetic fields and you can search out these fields by moving and orienting your guitar to find maximum buzz.
If the amp has objectional buzz with teh cables UNPLUGGED then the amp needs servicing. Filter capacitors among other things are suspect.
277 views
Usually answered in minutes!
×