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Old 11th June 2021, 05:23 PM   #41
planet10 is offline planet10  Canada
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Fullrange speaker & cabinet dilemma
Quote:
Is it this one?
yes

dave
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Old 12th June 2021, 04:43 AM   #42
GM is offline GM  United States
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Originally Posted by Scottmoose View Post
I heard an XR290 at a show once -lousy setup alas, but if it was that beast, it was still seriously good.

Hmm, FR based corner array -something like John Murphy's?
Yeah, apparently pretty finicky as they couldn't get it dialed in at the lone McIntosh HIFI Emporium either, but then couldn't do much better with Altec/JBL horn consumer speakers either.

Yes, though don't remember him posting on 'our' line array thread[s?] and based on his '30 yrs', I'd already done my experiments a bit earlier after being exposed to the Bozak Concert Grand's little vertical tweeter array that replaced its horn mouth shaped one somewhat before McIntosh 'grabbed the Bull by the horns' with their much longer one.

The Bozak one impressed me enough to wonder if the whole plurality 'thing' that made the big stadium horn arrays acceptable might work as well as my virtually full height corner loaded horn system did, though do remember John being perplexed that such great c-t-c distances could sound coherent, so guess he came to the same conclusion that there's more to corner loading than just huge gain capability down low and up high and of course from McIntosh's research we now know that it only need be ~71% of the height, which lines right up with optimal box seam bracing. Mother Nature is nothing if not consistent.
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Old 12th June 2021, 07:07 AM   #43
Scottmoose is offline Scottmoose  United Kingdom
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Ain't that the truth.

Glad it wasn't just over here they couldn't get their show setup right. Then again, most show & dealer systems I've heard over the past decade haven't been stellar in that regard either, so perhaps there's 'comfort' (ha!) in the knowledge that the theme continues...

You've got to wonder why Bozak don't get more credit these days; they did some great work with those tweeter arrays etc. Now, why am I not surprised that you were experimenting with large arrays before most others? I'm starting to think I should do more work with them if I can scrape the money together.
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Old 12th June 2021, 07:39 AM   #44
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Never heard any scuttlebutt about Bozak's fall from grace, just by the early '70s the only model I saw was the Concert Grand at near Concert Grand piano pricing, cabinetry.

The main reason I was able to do so much beyond having an overabundance of curiosity was that so many perfectly good electronics, speakers, drivers were free for the taking thanks to the switch to stereo, folks moving to the [sub] 'burbs' where they could 'crank'em up' and special thanks to the Southeast Asian Police Action [aka Vietnam War], a record number of college students needing small, dirt cheap HIFI systems, so was able to not just fund my hobby, but allow me to buy gear that I couldn't otherwise afford.
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Old 12th June 2021, 02:10 PM   #45
Scottmoose is offline Scottmoose  United Kingdom
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Yeah, it's a shame they went the way of all flesh. I hadn't looked before, but there's a short summary on Wikipedia Rudy Bozak - Wikipedia -how accurate I don't know, but probably gets at least the broad brushstrokes right since it looks like the old, old story.
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