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In Reply to: RE: PS: ... posted by andyr on November 28, 2008 at 17:42:21
Polarity can easily be determined with a battery so I'm not worried about it. I can safely do this with a small value resistor and a 1.5V AAA battery.
The Rane AC22 is a L-R 24db crossover, only. There are no other selectable slopes. I bought this used for about $50 for the purpose of experimenting with an electronic crossover, to see how I liked the results. If it goes like I think, I expect to upgrade the crossover. I've considered an RC networks for the input of the amplifiers to try to imitate the stock crossover. But, having stared at the schematic for the 2.6, I cannot figure out what that crossover is. I suppose it is a simplified design of something more complicated. But it doesn't look like anything I've come across.
Respectfully
Mike
In search of musical bliss...
Follow Ups:
Hi Mike,
I suspect it would sound just as good (if not better) with a conventional 12dB HP filter. (The bass is conventional 3rd order LP.)
As you say, polarity of a bass panel is easy to determine (it's harder with a IIIa mid panel, because the mylar hardly moves at all! :-)) ). If the 2.6 follows the same convention as the other "true ribbon" Maggies, the top of the ribbon is the '+ve' end.
IME, an RC network (ie. a PLLC) only "works" with 1st order. In particular, a 3rd order bass LP would not come out very well.
Good luck - and please tell us all how you like it @ 24dB! :-))
Andy
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