I want to design an MTM "tower" with two 15" drivers & a horn in the middle ala DeAppolito type.
I came across this driver, 15",Fs=42Hz,Vas=8.6cu FT, Qms=4.73, Qes=.44, Qts=.4, Db=101.6 @1W1M,
I ran the formulas & came up with Vb=9.3004...., F3=39.385...., Fb=40.238....
The thing I don't have is the formulas for twin drivers in a tuned box.
Is there a hard formula for dual/multiple drivers?
The application is for a very low powered tube amp......I'm shooting for 104+ Db response. I know it can be done, I've just come to this impasse.
___________________________________________________________Rick......
I came across this driver, 15",Fs=42Hz,Vas=8.6cu FT, Qms=4.73, Qes=.44, Qts=.4, Db=101.6 @1W1M,
I ran the formulas & came up with Vb=9.3004...., F3=39.385...., Fb=40.238....
The thing I don't have is the formulas for twin drivers in a tuned box.
Is there a hard formula for dual/multiple drivers?
The application is for a very low powered tube amp......I'm shooting for 104+ Db response. I know it can be done, I've just come to this impasse.
___________________________________________________________Rick......
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