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scans of JBL 4520 & 4530 measurement plots |
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bob4 
Old Croc 
Joined: 29 February 2004 Location: Finland/Germany Status: Offline Points: 1924 |
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 Topic: scans of JBL 4520 & 4530 measurement plotsPosted: 18 July 2012 at 3:19pm |
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Greetings, I have this old german brochure/book with a collection of horn plans and measurement data. Here are the plots of JBL single and double 15" scoops for the enjoyment of the general public.......  Enjoy & follow the link to Flickr for HiRes versions...... cheers, Bob single 15" scoop:  4530_REsponsePlots by mrkrabbz, on Flickr double 15" scoop  4520_ResponsePlots by mrkrabbz, on Flickr |
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bob4
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Joined: 29 February 2004 Location: Finland/Germany Status: Offline Points: 1924 |
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Posted: 19 July 2012 at 9:16am |
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Does anyone know facts as to why JBL never did an 18" version of the scoop? I mean they came up with the single 18" Wbin, why not a scoop?
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Ras Loud
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Joined: 08 January 2012 Status: Offline Points: 755 |
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Posted: 19 July 2012 at 10:42pm |
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There are a few soundsystems who use JBL 18" scoops.
If JBL didn't make them in that size, I guess they just upscaled the plan. |
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waterhouserock
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Joined: 09 April 2008 Status: Offline Points: 140 |
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Posted: 27 September 2012 at 1:43am |
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Double jiy
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