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In Reply to: NHT 3.3 biamp question posted by HGS on March 16, 2007 at 13:19:00:
From Jack Hidley, chief engineer at NHT:Here is what's different in my M3.3s.
1) Used an X2 to biamp the speaker. Had to modify the EQ sections in the X2 to get the response I wanted to make the speaker flat down to 20-25Hz.
2) I removed the passive subwoofer LP crossover completely.
3) I removed the 6.5" HP crossover completely. This consists of one series cap and one parallel inductor.
4) Reduced the volume of the 6.5" chamber by about 65%. I glued large blocks of wood in there. This raises the resonant frequency by a bunch. Along with the crossover mods and the active crossover It allows the 6.5" and the subwoofer to integrate much better. This solves my single biggest gripe with the M3.3, that it almost never has enough 80-150-Hz output. All of these mods need to be done at the same time to work. It will give the M3.3 most of the warmth and slam that a T6 system has.
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Follow Ups
- Here's a big upgrade that may help you: - John Ashman 18:13:09 03/16/07 (1)
- Re: Here's a big upgrade that may help you: - ka7niq 21:44:38 03/16/07 (0)
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