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#1
10-08-2006, 06:11 PM
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Raising combos up off the stage and tone?
Guys, I've read and even experienced Bass being lost in a combo amp by raising it off the ground on a chair. Is this a fact of the bass frequecies phase-cancelling or some aural illusion? Can someone please advise how to raise an amp effectively to get better dispersion and improve axis? Thanks much in advance.
__________________
"All truth passes through three stages. First, it is ridiculed. Second, it is violently opposed. Third, it is accepted as being self-evident." —Arthur Schopenhauer 
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#2
10-08-2006, 07:16 PM
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Fact, not illusion. Try these:
1) Amp on the floor in the middle of the room 2) Amp on the floor close to a wall 3) Amp on the floor in a corner You'll find that you get increasing bass response as you go down the list. The simplest and least expensive way to put yourself more on-axis without losing bass is to tilt the amp back.
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#3
10-08-2006, 07:53 PM
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Thanks for confirming and the great tips, TieDyed.
__________________
"All truth passes through three stages. First, it is ridiculed. Second, it is violently opposed. Third, it is accepted as being self-evident." —Arthur Schopenhauer
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#4
10-08-2006, 09:10 PM
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#5
10-08-2006, 09:18 PM
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Ok so where you stand will affect whether you get more bass or less bass, depending also on what bass frequencies are excited. You can learn about interference patterns here. So no, it's not as simple as "lift the combo, lose the bass". Or any other simple formula like that. But it IS as simple as try it and listen.
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#6
10-08-2006, 11:05 PM
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I'm curious, why do you want to be on axis? I've always hated that "beaming" sound...
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#7
10-09-2006, 12:00 AM
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Quote:
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#8
10-09-2006, 03:32 AM
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Quote:
__________________
"Reality is an illusion albeit a very persistant one " Albert Einstein Was I crazy? I began to wonder, for such an appalling lack of perspective seemed near being just that.
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#9
10-09-2006, 07:53 AM
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Everyone - thanks very much for your tips and advice.
__________________
"All truth passes through three stages. First, it is ridiculed. Second, it is violently opposed. Third, it is accepted as being self-evident." —Arthur Schopenhauer
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#10
10-09-2006, 08:14 AM
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i love mine.
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#11
10-09-2006, 08:25 AM
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__________________
"All truth passes through three stages. First, it is ridiculed. Second, it is violently opposed. Third, it is accepted as being self-evident." —Arthur Schopenhauer
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#12
10-09-2006, 09:11 AM
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It's not an illusion. The percieved bass will change depending on the distance from the speaker to the various surrounding reflective surfaces. I personally prefer my amp ( Deluxe Reverb ) off the floor a bit so I usually set it on stand about 16 inches off the ground. Your mileage may vary....
Dan
__________________
touch sensitive
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#14
10-09-2006, 06:11 PM
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Question on this: I understand the amp-contact with floor for better low frequency response, important in the studio. If your playing live, and miking for FOH, does it only affect what you hear on the stage? If that's the case, will the FOH be affected by having the amp off the floor, and all the loss of bass response thet goes with? Will the audiance ever hear your off the floor loss of bass through the house PA?
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#15
10-09-2006, 06:19 PM
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I payed $175 for a used extra large from Atlanta Discount Music. Here's a link to the Dealers list- http://www.soundenhancer.com/dealers.htm
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