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RE: Help needed with BMS compression driver horn experiment

Kurt,
What I would do is dissconnect the tweeter inside the BMS 4592(almost turn it into a 4591...probably do the mod here) and run my system without upper highs for a while.
There are no rules really just use what you like.
Yes you can run your 250 hz horns down to 300 hz if you dont hear any disortion: a) Our hearing is less sensitive at lower frequencies so what you can probably get away at 250 hz you wont be able to do at 800 hz, you be your own judge, dont follow blindly any experts advice.
b) When you force a driver to go lower the higher end suffers and becomes, well harsh. Try using your mid driver at 300 hz, 250 hz and 350hz even 500hz and see what happens.
I dont think a 15" woofer can really go up to 500 hz, but its just me...200 or 300 hz they can do wonderfully, 800hz it a lot to ask.
Depending on your findings you can re-arrange your system.
Maybe your BMS 4592 mid driver in the 250hz horn will go nicely down to 250hz but the highs will go bad at 3khz and it will do good from 500 hz to 8khz with your horn.
I would use the BMS 4592 (or get the 4591 and sell the 92) from as low as possible: 250hz possibly, and get a nice compression driver Beyma or Radian with an 800 hz horn to go from 1.2khz up with no tweeter...and biamp from 250hz up!!



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