On Tue, 8 Dec 2015 07:46:42 +0000, Eiron
wrote:

Adverts for the Devialet Phantom keep popping up on my browser.
http://en.devialet.com

A revolution in sound reproduction or a flash in the pan like NXT?
Anyone heard one?

It looks like an undersized speaker with a high powered amp
and bass boost to give a flat response down to a claimed
16Hz(-2dB) at low levels, or 49Hz(-2dB) at high power levels.

99dB from 750 watts? They have to be kidding. Anyone can make a
speaker nominally flat by attenuating all the power above the lowest
frequency. These may prove to be more popular in winter than summer.

d

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