High Efficiency Speaker Asylum

RE: Update on Feastrex, Eltus WE, Maxonic field coil speakers. Also FAL "Flat-S" is nice! (LONG, rant warning)

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el`Ol

In Reply to: RE: Update on Feastrex, Eltus WE, Maxonic field coil speakers. Also FAL "Flat-S" is nice! (LONG, rant warning) posted by Christopher Witmer on May 31, 2007 at 04:06:40

Thanks for the report, Christopher.
Do you know the price for the FALs (drivers only)?

Follow Ups:

RE: Update on Feastrex, Eltus WE, Maxonic field coil speakers. Also FAL "Flat-S" is nice! (LONG, rant warning) - jdza 09:03:41 06/01/07 (2)
Christopher

Thank you for the update on a fascinating scene filled with people pushing the limits instead of just filling another box with oem drivers.

It would be nice if your dexterity with English could help them not calling a speaker Fal(ling) FLAT (on its face?)
- Heh-heh, cute. But their choice of a name could have been much worse - Christopher Witmer 19:24:32 06/01/07 (1)
  "FAL Flat" is nothing compared to what Mitsubishi Motors called one of their 4x4 SUV models -- the "Pajero." You should have seen the look on the local Mitsubishi distributor's face in Spain when he received a car from the manufacturer with the Spanish equivalent of "Masturbator" emblazoned on it. Needless to say, a different name was chosen for use outside Japan.
  - Final Audio Research Turntable (FART) is known for its explosive bottom end power - jdza 23:08:39 06/01/07 (0)
    This is a newer model
FAL Flat-S - Christopher Witmer 08:49:28 05/31/07 (0)
Mr. Asayama told me that the drivers sell for 200,000 yen per pair. I have no idea what others would sell them for.

The manufacturer describes them as 4-ohm, 95dB efficient drivers with 50W power handling, and 40Hz-23kHz response. How to interpret those numbers, I don't know.

I can say this: I prefer the Feastrex drivers in terms of TONE. Not that the FAL drivers are bad in that dept. -- not at all.

The Feastrex drivers have excellent imaging and soundstage, but the FAL Flat drivers are in some ways superior in these areas. I suppose it has a lot to do with being, well, flat.

The FAL drivers have a large voice coil surface area. The voice coils are RECTANGULAR, rather than round, and they have double the number of Neodymium magnets -- take a good look at the picture.

Also, note the surround. That's a "double" surround: what you see from the front is replicated, in mirror-image, on the reverse side of the diaphragm. That means the diaphragm is resistant to canting and it also maintains very consistent behavior on both the stroke forward and also the return stroke. I'm told that the surround is some special very long-lasting synthetic material made by Toray. Expect it to last a lot longer than your typical urethane edge.

All in all, it is a good driver and deserves more attention than it seems to be getting.

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