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  #1  
Old 05-04-2009, 01:03 AM
Zoofie Zoofie is offline
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Default Bad feeback from mics/speaker.

Hey guys
I have a little home studio and sometimes want to amplify vocals etc if we are doing a rendition of a song. When i get the mics louder there is a really really bad screeching sound. The mixer output is going into a stereo system (no pro amp) , and i can't get the mics louder without a really loud screeching happening.
Sorry thats worded really badly but i hope you can undestand :)
Thanks!
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  #2  
Old 05-04-2009, 01:49 AM
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larryace larryace is offline
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Default Re: Bad feeback from mics/speaker.

An EQ would help, also make sure the mics are pointed 180 degrees away from the speakers, if possible. Reflective surfaces should be minimized, mic placement is crucial
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Old 05-04-2009, 02:57 AM
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genericdrummingusername genericdrummingusername is offline
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Default Re: Bad feeback from mics/speaker.

Know the pattern of your mic and take advantage of it- 180 degrees may not actually be optimal.
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Old 05-04-2009, 04:04 AM
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Deathmetalconga Deathmetalconga is offline
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Default Re: Bad feeback from mics/speaker.

Quote:
Originally Posted by genericdrummingusername View Post
Know the pattern of your mic and take advantage of it- 180 degrees may not actually be optimal.
True- and depending ont he mics, they may be omnidirectional and prone to feedback from any angle.
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  #5  
Old 05-04-2009, 06:48 AM
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larryace larryace is offline
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Default Re: Bad feeback from mics/speaker.

Yea I guess I assumed non omnis. But I bet that's what he's got.
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  #6  
Old 05-04-2009, 10:31 AM
spirit spirit is offline
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Default Re: Bad feeback from mics/speaker.

Try and see if you can isolate the mikes, by placing a screen in front of the mikes between them and the speakers- what happens with feeed back is the sound from the mike gets amplified and then is picked up again by the mikes and run around again and again, the high frequency gets doubled and doubled till you get feedback. I know of a guy who does home recording and he made a baricade in a corner of the room with a matress as a partition...the result, no, room ring, no feedback and nice clean damped vocals!
Speaker position is important also, as are quality- I have a pair od Mackie srm 450s and they have an inbuilt circuit that time delays the treble by millisecs and this cuts feedback a lot! Another way around is not the best as you can loose the feel of the song is add the vocals later!
Let me know how you solve this- I hope this helps a little for ideas mate-Good luck
H
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Old 05-07-2009, 12:26 AM
Meat the beat Meat the beat is offline
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Default Re: Bad feeback from mics/speaker.

In a home situation - use headphones....
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  #8  
Old 05-07-2009, 05:58 AM
drummmhead
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Default Re: Bad feeback from mics/speaker.

Quote:
Originally Posted by Zoofie View Post
Hey guys
I have a little home studio and sometimes want to amplify vocals etc if we are doing a rendition of a song. When i get the mics louder there is a really really bad screeching sound. The mixer output is going into a stereo system (no pro amp) , and i can't get the mics louder without a really loud screeching happening.
Sorry thats worded really badly but i hope you can undestand :)
Thanks!
honestly, it's going to be very hard to do with consumer gear. If you invest in just an inexpensive real PA, you'll be so much happier.
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