RaynerGelio Posted February 18, 2022 Share Posted February 18, 2022 Hi folks, good day... Open Baffle speaker guy here wants to experiment with a La Scala bottom. Quick question, please: For the Eminence Kappa 15C as the woofer, are the 1977 La Scala plans are suitable without modification/adjustment/resizing? Bass bin size? Slot size? Thanks! Quote Link to comment Share on other sites More sharing options...
Curious_George Posted February 21, 2022 Share Posted February 21, 2022 On 2/18/2022 at 12:32 PM, RaynerGelio said: Hi folks, good day... Open Baffle speaker guy here wants to experiment with a La Scala bottom. Quick question, please: For the Eminence Kappa 15C as the woofer, are the 1977 La Scala plans are suitable without modification/adjustment/resizing? Bass bin size? Slot size? Thanks! Not sure what you are asking. Can you clarify your question(s)? Quote Link to comment Share on other sites More sharing options...
OO1 Posted February 21, 2022 Share Posted February 21, 2022 the woofers for a Lascala are the K-33 or k-43 , the Kappa 15C is said to be pretty close as far as the Lascala bass bin , the better the seal on the woofer access panel , the better the bass bin will sound using LS speakers base bins with open baffle speakers , who knows , edited ? Quote Link to comment Share on other sites More sharing options...
henry4841 Posted February 21, 2022 Share Posted February 21, 2022 He may have meant using a full range speaker and just using the bass bin for the lows. I have done this but it does require designing and building a crossover network yourself. Mine worked real well but I lost some quickness and detail vs the original drivers. Very pleasant sounding though. Again sound is subjective being that my best friend preferred this setup, full range speaker setup, over my stock speakers in my room. I used Fostex FE166EN's which have been discontinued. Open baffle setup sitting on top of my LaScala's using just the bass bin for the lows. Still have the setup but has not been used in years. Quote Link to comment Share on other sites More sharing options...
OO1 Posted February 22, 2022 Share Posted February 22, 2022 makes sense @henry4841 post edited Quote Link to comment Share on other sites More sharing options...
rackmeister Posted February 23, 2022 Share Posted February 23, 2022 As a data point for your experimentation, I'm running stock '80s La Scala industrial bottom bins with humble old Eminence PA woofers from the '70s, T/S parameters unknown, and am unexpectedly getting really nice non-shouty hi-fi sound out of them up to 700hz. Seems the horns are quite capable of that, which I guess would make sense if the general rule of thumb of 3 octaves useful horn operating range holds true for them. On the other end, I'm crossing to a sub at 100hz. La Scala bins are magical. Quote Link to comment Share on other sites More sharing options...
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