Both the SF Cremona & Amati have ported midranges.
Anyone know why SF would use this alignment for the 6.5/7"" Scanspeak mid?
I think they use 1st order for their xo. Could this be a reason or is there something about the SS drivers that would benefit from this porting?
Mos
Anyone know why SF would use this alignment for the 6.5/7"" Scanspeak mid?
I think they use 1st order for their xo. Could this be a reason or is there something about the SS drivers that would benefit from this porting?
Mos
![cremonav[1].jpg](/community/data/attachments/27/27249-4f0668fe090a381e21db6ac6b372aaf4.jpg?hash=TwZo_gkKOB)
![sfamativ[1].jpg](/community/data/attachments/27/27255-82b5453ea214c51d76539228030df7e1.jpg?hash=grVFPqIUxR)
There could be any number of reasons. One that comes to mind is that SF can achieve a 5th-order high-pass filter with just a capacitor and the mechanical filtering of the ported enclosure (1st order + 4th order). Otherwise they would either have to put up with 3rd or 2nd-order filtering in a sealed box, or use a much more complex crossover circuit. I would personally stay with a sealed midrange and avoid the mechanical and functional nuisance of a port. I'd rather build a more complicated passive crossover, or even better: an active crossover.
CM
CM
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