Hello all,I found an excellent deal on a pair of Turbsound Flashlight tops, but they need to be crossed over at 180 hz, which is way higher than most tops. I don't have the budget to run a pair of kick bins in between them and the subs. Is it reasonable to cross subs over around 180 hz? What subs will work crossed over this high and still pound down low? The Danley TH115s say they run up to 200 hz—do they sound good doing it? The only subs I've heard run that high are Voids, Turbosounds and Funktion Ones. Those are all out of my budget unless I get a pair of used F215s on ebay, and I don't think -3 db at 55 hz is going to cut it. Thanks in advance!
I feel this question is related to more of a personal assesment of the cabinets themselves, folded subs tend to be quite live at around 160hz, if this is the case then you may be better off crossing them over a little lower to shift the live frequencies into the top cab's. Of course this also depends on the type of crossover and roll off of the crossover points.
The TH115 will work with a 180 Hz crossover, but front loaded drivers would probably sound better that high.
What is "live" and what does it look like on a technical specification?
A peak at the resonant frequency of the cabinet..........
Huh? This is kind of a non-issue. front loaded subs used to respond up to 1 k hz and even old folded horns like the PE 36 Cerwin Vegas were good up to 300 hz. It wasn't until they started making band pass (one-note) boxes and much heavier moving mass drivers that the higher bass frequencies became diminished in response. It's that bottom octave that's a real challenge. Heck get you a bunch of old Peavey FH-1's with black widows and give them 600 watts each and they'll knock your legs out from under you @ 80 hz.! They start rolling off below that so THAT's where things get more difficult. Relax. Just about any good double 18 you care to name should work fine for you!Chuck
1)The original high crossover point for Flash and Floodlight tops was based on the limitations of the original processing technology available, when they were first designed over 20 years ago.2)The original 180Hz point was used because the slope was lower than commonly used these days - I think 12dB/octave. Hence the corresponding bass boxes were also crossed over at a point that allowed the underlap gap between the bass and low-mid drivers xo points to fill in the frequencies between them.3)I would query what application you plan to use a pair of Flashlights for? T
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