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From: sasaki@harvard.ARPA (Marty Sasaki)
Newsgroups: net.audio
Subject: Re: Speaker building
Message-ID: <510@harvard.ARPA>
Date: Mon, 25-Mar-85 12:16:34 EST
Article-I.D.: harvard.510
Posted: Mon Mar 25 12:16:34 1985
Date-Received: Thu, 28-Mar-85 01:15:58 EST
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Organization: Harvard Science Center
Lines: 24

> So how about it, can you equalize a 5 inch driver to give
> you accurate response at high frequencies?
> 
> tektronix!tekig!david

In Speaker Builder there was a speaker system that used Jordan's 50mm
modules that crossed over to a 5 inch woofer at something like 150 hz.
Like David, I'm wondering what kind of bass you can get with a 5 inch
driver. Does the Bose 901 win because it has so many cones which result
in having the equivalent of a larger cone?

Along the same lines, Jordan claims that the 50mm modules are flat to
above 20kHz. Is this possible?

Jordan also claims that by not having a crossover until 150Hz you avoid
the problems of phase and amplitude in the range where these things are
audible. At 150Hz these problems aren't really problems. Any truth to this?

-- 
----------------
  Marty Sasaki				net:   sasaki@harvard.{arpa,uucp}
  Havard University Science Center	phone: 617-495-1270
  One Oxford Street
  Cambridge, MA 02138