My guitar was playing fine yesterday but when i plugged it in after my friend's bass guitar was using the same amp, my guitar got this feedback from the amp. I cant stop it and it's very problematic.
First of all I suggest that you try your guitar through another amp you know works without the feedback. There is a very slim chance there is something wrong with your guitar but I would say no. You didn't mention what kind of amp you have: solid state, tube or hybrid. It would help if you tell us what brand and model number your amp is. Try setting your amps controls the way you usually have them and using a long cord that works properly, isolate your guitar by putting it in a room with the door closed by running the cord under the door. Is the feedback still there? Try playing with your back to the amplifier. Is the feedback still there? You need to identify the problem. Is it your guitar or is it the amp? Here is a link to tube amp troubleshooting:http://www.geofex.com/ampdbug/ampdebug.htm Here is a link to guitar feedback causes:http://www.guitarsite.com/discussion/messages/23765.shtml If you decide it is your guitar you can have a look for broken solder joints etc. There are wiring diagrams on the internet. If it is your amplifier, you should take it in to be serviced. Take it to a dealer that carries and services that brand. Unless you have all the tools, a schematic and electronic troubleshooting experience you are in danger of injuring or killing yourself or making the problem worse. Hope this helps.
I don t no what to do
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