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2007-02-13, 04:53
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Senior Metalhead
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Join Date: Mar 2006
Location: Norway
Posts: 398
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I heard one time this guy boosted 110hz or whatever it was (the fifth in a D power chord) by using a ported cabinet tuned to 110hz and i believe it gave a very crunchy, clear effect, very punchy.. If you're really good with an EQ maybe you could do something similar, with a good parametric or so (doubt a graphic could do it, it "bleeds" too much into the other bands)
Found it:
Quote:
As a case in point: I was asked to design a full stack for the guitarist in a heavy metal band. I asked him about his preferred requirements, and all I got was "make it damn loud". I also inquired as to what key he played in, and the answer was mostly dropped D.
As a translation into design parameters, he's probably looking for more bass output and power handling: this means a higher Qtc is in order. The F3 should be below the lowest fundamental, which in this case is about 73 Hz(low D). I also had an idea to try and get the response peak to be in line with the D power chord. In this case, I try and make the Fc (or box resonance frequency) at the lower A string (or about 110 Hz). I ended up selecting a Qtc of 1.0. As a side, note, I managed to build these cabinets for around $210 a piece, or about $500 for a full stack! An amazing price difference from commercial offerings.
The result was a cabinet stack tailored to the exact needs of the player. The 2.7 dB peak at 110 Hz added a hard punch to the natural 5th of the D power chord, which sounded incredible. These are the kinds of things you can do with your own designs!
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From http://duncanamps.com/technical/speaker_cab.html
I guess you could do the same with your EQ as he did with the ports, and i guess it would be possible with a graphic, seeing as port tuning has a really wide notch shape.
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Proud member of the "$20000 worth of pro gear but can't play worth shit" squad 
Last edited by Jopop : 2007-02-13 at 04:58.
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