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In the Forum: Horn-Loaded Speakers
In the Thread: Macondo’s lowest channel.
Post Subject: Put Marchand Crossover into the game.Posted by Romy the Cat on: 4/22/2011
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I had in my basement Marchand X26 crossover that I use over 10 years back. Since my B-2 power amp with passive filter is being fixed I setup the stock fixed B-2 with external Marchand active crossover. I spent some time to modify the Marchand X26 big difference!) and built in it the 20Hz filter, 18dB per octave.
Interesting effect, the Marchand has own bass. Surely it is not at clean as my passive filter. Bass is more “round” with more second harmonics. I would say that I like it less for ULF but it feel that more seamless sound with my horns. I also dropped crossover point from 27Hz to 20Hz, or driving the B-2 a bit harder I effectively added the ULF out from my bass towers.
The result is good, I do not make any observations of active 4-stages Marchand vs. my line-level passive, I would need time to do, but it is not my objective. The Marchand is a temp solution anyhow. Still Sound is spectacular. Tonight is the day of Bella Bartok. I am playing the magnificent Geza Anda take on Bartok’s piano concertos. It is a celebrated Ferenc Fricsay play with Berlin Radio Orchestra from 1960. The second concerto is something that had recovered me today from Hildegard von Bingen’s music. The last movement is the second concerto I decided to turn the ULF off. The room is collapsed into itself…
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