Planar Speaker Asylum

RE: Yep. I have IIIA's. I recommend bi-amping as well.

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In Reply to: RE: Yep. I have IIIA's. I recommend bi-amping as well. posted by Swamis Cat on February 29, 2016 at 09:54:42

CT---Going the bi-amp direction instead of upgrading the stock MGIIIA x/o is actually simpler imo. Even after spending a lot of $ to buy expensive parts to replace the cheap parts in the external x/o boxes, you still need to run speaker cables not only from your power amp to both the external x/o boxes, but also short runs from the boxes to the MGIIIA's, going through the notoriously crappy connectors on the box a second time. When you replace the external x/o boxes with a line-level x/o, that second run of speaker cables goes directly from the second power amp directly to the drivers. Big advantage! In fact, both amplifiers in a bi-amped MGIIIA system will be connected directly to the drivers themselves, not to speaker-level x/o parts if not bi-amped. A much better situation!
Bi-amping offers another big advantage, as Satie and others have said, of allowing the M/T drivers to be powered by an amp chosen specifically for it's superior midrange and highend sound quality, and the woofer drivers by an amp chosen for it's bass quality. Another big advantage.
As to cost, the First Watt B4 2-way x/o is sold brand new by Reno Hi-fi for $1250, and provides an unlimited choice of x/o filter characteristics, 1st/2nd/3rd/4th order 6/12/18/24 dB slopes in 25Hz increments from 25Hz up into the midrange. The filters are produced with discrete components, not op-amps, and will certainly provide superior sound than will the stock speaker-level x/o's with upgraded parts, no matter how much you spend on the parts. It really is THE way to go!

Edits: 08/05/16 08/05/16

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