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RE: -3db @18 Hz?. Doesn't horn physics get in the way here? NT

Following the OP link to the presentations by the Paducah guy is a short video by Roy Delgado who reveals that the woofer in the new Jubilee is in a bass reflex box where the front of the woofer and three ports fire forward into the bass horn. Bill Fitzmaurice wrote an article in Speaker Builder some time back about such a configuration, but someone else had already thought of it back in the 50's and patented it. It would be interesting to see a frequency response graph of the bass horn output of the new Jubilee with, and without the DSP and EQ.

https://www.youtube.com/watch?v=R4zF8DQn3_0

Paul

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