D-MAN Posted March 9, 2006 Author Share Posted March 9, 2006 Peter, that is very cool! Welcome to the forum. I've liked your design from the first sight. What shall we call it? DM Quote Link to comment Share on other sites More sharing options...
jlossint Posted March 10, 2006 Share Posted March 10, 2006 Thank you for your reply. It was called and is still known as the "70/80 horn". 70/80 are the front dimensions in centimeters. It is a multiflare design that shall work down to about 65- 70 Hz. The driver was a 12" german design that is no longer available. The back-chamber was designed to work with this driver and is much too large when using drivers manufactured today. Peter Akemark Quote Link to comment Share on other sites More sharing options...
jlossint Posted November 20, 2006 Share Posted November 20, 2006 With the established fact that "squeezing" the horn throat increases midrange dispersion characteristics in bass horns due to the wavelengths involved, what do you think the results would be for this well-known bass horn, the EV "Eliminator" 2701? I would say that it probably has some increased upper-bass as a guess. However, it's main purpose is to simply elongate the horn channel to the full height of the enclosure (however the cross-section from the constant expansion rate along the pathway is maintained) - it just happens (as a natural by-product) to increase the midrange dispersion as it does so IMO. DM Quote Link to comment Share on other sites More sharing options...
ZAKO Posted November 20, 2006 Share Posted November 20, 2006 DMAN.....The JBL 2404 has a verticle diffraction slot at the throat of the baby cheeks. Quote Link to comment Share on other sites More sharing options...
ZAKO Posted November 20, 2006 Share Posted November 20, 2006 The new JBL Arrey series is Greg Timbers latest design on verticle diffraction horns. Quote Link to comment Share on other sites More sharing options...
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