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Re: [TowerTalk] rotating delta loop

To: bill steffey NY9H <ny9hpa@gmail.com>
Subject: Re: [TowerTalk] rotating delta loop
From: W2RU - Bud Hippisley <W2RU@frontiernet.net>
Date: Sat, 31 Aug 2013 19:00:01 -0400
List-post: <towertalk@contesting.com">mailto:towertalk@contesting.com>
On Aug 30, 2013, at 8:34 45PM, bill steffey NY9H <ny9hpa@gmail.com> wrote:

> when bose introduced their multi speaker facing the wall...
> not only did 'consumer's' not like it ;;;

Guess I'm not a 'consumer'....to my ears it was better and cleaner-sounding 
than any other speaker in its price range.  And those 'ignorant' professionals 
who reviewed speakers for the leading audiophile magazines seemed pretty 
impressed, too.
> 
> the guys at the other manufacturers had little regard for the "science"
> using multiple 4" midrange drivers with HUGH 15-20 db eq at the bottom & top
> causing most amps to run out of power , and go mushy

There is no question the technique required clean high power amplifiers.  
Otherwise, it was going to sound about the same as an SSB transmitter trying to 
coax 1000 watts of RF out of a pair of 807s.  

> no highs...no lows ...must be bose.....
> Paul Klispch from Arkansas  said "' Ho Hum another " breakthru in Physics"
> or as one of the engineers at JBL,

All totally unbiased observers....


> all those drivers putting out the same output creating
> a mess of mixing delay times at the listeners ears...

Unlike the use of separate woofers, tweeters, and mid-range speakers -- a 
technique that never had any phasing or crossover issues.

We probably should get back to rotating delta loops...the pseudo-science here 
is getting a little thick.

Bud, W2RU
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