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- Path: sparky!uunet!elroy.jpl.nasa.gov!ames!tulane!uflorida!travis.csd.harris.com!grouper!wdh
- From: wdh@grouper.mkt.csd.harris.com (W. David Higgins)
- Newsgroups: rec.audio
- Subject: Re: Speaker vent placement question
- Message-ID: <1993Jan23.145541.11928@grouper.mkt.csd.harris.com>
- Date: 23 Jan 93 14:55:41 GMT
- References: <C19v5p.IzJ@usenet.ucs.indiana.edu> <C19zHJ.BMI@world.std.com>
- Organization: Harris CSD, Ft. Lauderdale, FL
- Lines: 23
-
- In article <C19zHJ.BMI@world.std.com> DPierce@world.std.com (Richard D Pierce) writes:
- =In article <C19v5p.IzJ@usenet.ucs.indiana.edu> wakeland@silver.ucs.indiana.edu (ray s wakeland) writes:
- =>Another question:
- =>About the same time, there was much bashing of piezo tweeters. My last
- =>speakers were a used pair of Dalquist DQ-10's, which I believe made quite a
- =>splash in the mid 70's. They were 5-way speakers, with a piezo tweeter at
- =>the very top. Why? (multiple choice)
- =
- =Current piezo tweeters are just as bashable now as they were then. I
- =cannot guess why John Dalquist used them. I cannot see them has having any
- =place in a reasonable speaker system. They are, however, the ultimate
- =indestructible driver, it would seem.
-
- I believe there was a company that came out with a ribbon tweeter to
- replace the horrid piezo tweeter in the DQ10, along with the appropiate
- modifications to the crossover (Sequerra, I believe). It _had_ to make
- an improvement, even considering the DQ10 crossed over to the Motorola
- piezo at 12kHz.
-
- The only "valid" use for a piezo tweeter I've seen is one a friend of
- mine came up with -- he fed a ultrasonic warble to it and used it to
- run off rats, mice, bugs, and assorted other vermin. I don't know
- how successful it was -- it ran me off as well :-)
-