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03-06-2014
#1
Noob
Simple active subsonic crossover??
Hi all,
I need a "simple" 24dB/Oct crossover fixed at 20Hz for a ML-TQWT I'm building as part of an active system. I've seen the FMOD inline units and they are what I am after but with a steeper slope. Anyone know how to make one?
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03-06-2014
#2
Re: Simple active subsonic crossover??
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03-06-2014
#3
Re: Simple active subsonic crossover??
http://ccs.exl.info/calc_cr.html
You would input the speaker impedance and crossover frequency.
Looks like you would want a high pass filter with Capacitors of 2110µF and 4220µF...and coils of 40mH and 180.04mH (assuming they are 4Ω drivers)
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03-06-2014
#4
Re: Simple active subsonic crossover??
fo 20 cycles he will have to go active.. that's a bigass cap and a coil like a coffee can.
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03-06-2014
#5
Simple active subsonic crossover??
I have some Hooker Audio ones at the shop. I have no idea what slope they are though.
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03-06-2014
#6
Re: Simple active subsonic crossover??
I guess a better question is... Why? What do you listen to that has a substantial amount of 20Hz and lower content?
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