A year ago I built a pair of Pro series 7Pi-18's using JBL 2241's & 2445's. Never knew there was an Audiophile version (my mistake). Would like to know if it's at all practical to add a mid-range driver to this set-up? I'm extremely happy with the sound of these speakers right now using a pair of Odyssey Audio Monoblocks and the Supratek Chardonnay Pre-amp. But the thought of possibly increasing the quality of sound from these corner horns is simply irresistible.
Wayne Parham Messages: 18792 Registered: January 2001
Illuminati (33rd Degree)
The Audiophile Series seven π is simply a three-way cornerhorn system based on a JBL 2245, 2123 and a 2426. It is a specialty item, and isn't listed on the π Speakers website. But plans are available, on request.
The addition of the midrange subsystem allows the use of the smaller compression horn and a lower crossover point for the woofer. Last I checked, the 2123 was still offered at the JBL Tent Sale. A 2012 driver is also suitable for this design.
Wayne Parham Messages: 18792 Registered: January 2001
Illuminati (33rd Degree)
Grab a pair of those JBL Tent Sale 2123's and mount them above your speakers. You could even make a large-format midrange horn to set on top and crossover in the octave between 100Hz - 200Hz. Make it big, with the mouth as wide as your cornerhorns - It will look good and sound great!
I can vouch for the sound quality of the 2123j's. I added a pair to my 4 Pi's and it improved the mid-range incredibly. There is a picture of the whole deal over on the JBL forum if you need a laugh. Kelly
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