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PA backwash

Posted by susiejennings@earthlink.net (A) on September 12, 2008 at 22:00:36

Hi everyone -

I am a performing musician and need assistance.
My rig:
Ibanez AEG10 Nylon
Fender NG 45SCE Nylon
Shure Beta 87 mic
Peavey PV10 mixer
FBT Jolly 8BA bi-amped speakers
VoiceSolo monitor

My problem:
PA BACKWASH. My FBT's sound wonderful outside if I have room to be a bit farther away, but can still can be gnarly. Inside it is a real challenge. I blamed it on room acoustics where I used to play, but now am in a different room and have same problem. At low volumes, Jollys sound fine. When I have to turn up because of crowd noise, BOY do I get low-end backwash! Especially in a reflective room with lower ceilings. It is around a B on my A-string; don't have a hertz chart nearby. Vocal in same freq range is almost as problematic, but the guitars pick it up SO badly! I try to capo a fret up or down to avoid it, but can't escape that freq. It is awful and affects my technique. I would LOVE to hear from a sound guru on this one. Speaker placement is a challenge...I'm unable to be too far away from them. Parametric a solution?? I have rolled off some low end at the cabinet AND a bit on my board, but it is not helping. Can someone go into the concept of backwash? Is it a problem with small speakers? NEED HELP PLEASE!!!

This post is made possible by the generous support of people like you and our sponsors:

Schiit Audio

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