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In Reply to: RE: There is someting to this high powered amp approach posted by hahax@verizon.net on February 01, 2016 at 20:29:16
30 db would be QUITE the crest factor.
I use 20db or for ease of math, 10db. But I get it.
My low sensitivity panels have 200x2 per speaker. and will eventually have some kind of biamp using line level crossover of some sort. TBD.
I doubt you can have TOO MANY 'good' watts.
Too much is never enough
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Piano is a big offender, one of the reasons it's so hard to really reproduce accurately. But even 20 dB is a factor of 100 so even a 90 dB efficient speaker needs 100 watts to do 110 dB peaks at one meter and 400 watts at two meters, still a very close seat for most listeners.
Edits: 02/02/16
It's a LITTLE off, but one of the advantages of a true BiAmp is that the amp is no longer required to reproduce 'out of band' signals. This is about like buying a 2x more powerful amp. And since my panels cross over at 600hz AND I have a low-cut to them, I figure each amp is about 50% of the total required power. The benefit is a gain in amp power of nearly 3db. Nice bump.
Planar speakers level drops with distance like all speakers. Just not at the same rate as box speakers. Because of line source? Dipole? Dispersion pattern?
My seat is ABOUT 3 meters from each speaker. Maybe actually 3.3 meters?
Too much is never enough
You're correct. Planars drop off linearly with distance. Conventional speakers drop off with the square of the distance which also means you have to balance woofer and planar at the seat. Closer then it will be too heavvy. Futher it will be bass light.
I had never thought of that, but your thought has MERIT.
Maybe Multiple subs help mitigate this phenom? (I can't afford THAT, either!)
I'll mull this over, but given limitations in my room, modest demands AND the fact that I'm in a good place means I won't be changing much Soon.
Though I AM EyeBalling the MiniDSP 2x8 which will allow me to go to a true BiAmp situation and reap those benefits, both real and imagined.
Too much is never enough
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