by ZOG
We initially considered these to be the key to the Econowave submerge.. however later reading shows its the sysnergy between this (and a few other) horn conceive of and the Selenium D220TI driver is the Econowave construction.
But as the Pyle PDS221 compression drivers were already ordered we continued on to verify out what they sounded like, added to it would be stimulating to chronicle this altogether uncharted low rate compression driver.
* Midrange/Tweeter Compression Horn Driver * Comprehensive Dimensions: 3.2” Diameter x 3” Profundity
Pacemaker A30GC50 52F Q 1 30cm woofer. This spieler appears to be foremost intended for bitch support use, and was selling sale-priced from a Melbourne guy on Ebay. I got 2 of them.
Headed over to Cols and he predetermined them up with WooferTester 3
The parameters are:
* This evidence was exported from the Dayton Audio WT3 Woofer Tester * BL= 12.96
Entering this materials into WinISD pro got best feedback curve using a 120 litre bass reflex ministry with two 10cm diameter, 10cm fancy ports. Mostly reclining but with a 1dB shove in the modulate registers.
MDF Panels pre-cut to immensity by Allboard Distributors of Boronia
They did flagrant job account I wasn’t absolutely unfailing how to forth or compute the curvature of the rounded corners of the horn.. The 120 litre cabinets have a 25mm MDF front baffle, with the breather being 18mm MDF. There are 2 internal braces glued in for additional strength. I had to sand out the horn recesses a bit to get the horns to fit, but everything else fit together line for line. I emailed them pencil diagrams of what I was after, they clarified a few points, and about a week later the parts were cut.
To be stingy I sinistral out the greatest crater and bass reflex harbour holes from the Allboard spec, Col came over and cut them with a jigsaw.
Using Bostik MDF adhesive and a into exaggerate a get in of borrowed clamps, I stuck the bits together:
From Selby Acoustics I got some gold bi-wire orator terminals...
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