Guitar Feedback

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Greykitkat36

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I need Some Serious help. When my guitarist records in my basement with his Carvin SX200 Amp, it keeps getting feedback. However, this is the only place where it gets any feedback what so ever. What should he do? because the other guitarist, with a Marshall MG200 does not have this problem.
 
Well, the obvious anwer is to turn down... But aside from that, the only thing I can think of is that there is a resonance caused by the size/shape of the room - try moving it to different places. Or maybe its kind of small in there and the soundwaves are bouncing back off the concrete walls in full force against the guitar, vibrating it and causing it to feed back. First, try facing it into the longest dimension of the room. If the basement is kinda empty, put some stuff in there - scraps of carpet on the floor, huge heaps of dirty laundry, carboard boxes, black velvet paintings of Elvis, expensive acoustic panels, anything to help diffuse and absorb the soundwaves. Thick fabric stuff like blankets on the walls would help. Other than that, you could try to find the offending freq, and knock it down with a parametric, or even graphic EQ. Every amp I ever played in any unfinished basement always sounded harsh and ugly.
 
Major Tom said:
Well, the obvious anwer is to turn down... But aside from that, the only thing I can think of is that there is a resonance caused by the size/shape of the room - try moving it to different places. Or maybe its kind of small in there and the soundwaves are bouncing back off the concrete walls in full force against the guitar, vibrating it and causing it to feed back. First, try facing it into the longest dimension of the room. If the basement is kinda empty, put some stuff in there - scraps of carpet on the floor, huge heaps of dirty laundry, carboard boxes, black velvet paintings of Elvis, expensive acoustic panels, anything to help diffuse and absorb the soundwaves. Thick fabric stuff like blankets on the walls would help. Other than that, you could try to find the offending freq, and knock it down with a parametric, or even graphic EQ. Every amp I ever played in any unfinished basement always sounded harsh and ugly.
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Thanks. I'll try and move it around.
 
Make one of those pointy hats out of aluminum foil and have the guitarist wear it while recording. Attach a ground wire to it and plug the other end into a wall socket. Your guitarist will leave and never come back and the problem will no longer exist.
 
throw a packing blanket over the cabinet (with the microphone on the inside, of course).

Sounds like you're getting a lot of high frequencies smacking around. The blanket should knock a good bit of that out.

Chris
 
Monty... no no no... that's all wrong...

What you want to do is turn the amp up to the loudest volume you think possible (ignore the feedback at this point)...

Then unplug the speaker cabinet and plug your favorite pair of headphones into the speaker jack.

I gaurantee it will be plenty loud and no feedback.

(disclaimer: The above will cause SERIOUS hearing damage... don't even try it... it was a joke... yes, that means you... put those headphones down... don't say I didn't warn you)

Velvet Elvis
 
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