Crossover for Beyma 21Pw1400Fe and CP800Ti

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koutrou

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Joined 2014
#1
Hi guys,
do you know some specific crossover for Beyma 21Pw1400Fe? It is 1400 AES (RMS) Watt and I can't find a powerful enough crossover for 150 - 200 hz cross. Also, I'd like another crossover of 500 hz cross for Beyma CP800Ti that is 65 watt AES on 500 hz and 130 watt AES on 1500 khz .
Thanks for any help!
 
#2
Forget the idea about the passive crossover for 21PW1400Fe, the only way is via the active crossover and a separate amplifier for the subs.
CP800Ti is 100 W above 500 Hz, but I recommend 800 Hz crossover for PA use. For home hi-fi duties 500 Hz crossover is OK. You have to do the computer simulation of the crossover. Start with third order high-pass crossover.
 
#3
Sonce said:
Forget the idea about the passive crossover for 21PW1400Fe, the only way is via the active crossover and a separate amplifier for the subs.
CP800Ti is 100 W above 500 Hz, but I recommend 800 Hz crossover for PA use. For home hi-fi duties 500 Hz crossover is OK. You have to do the computer simulation of the crossover. Start with third order high-pass crossover.
Click to expand...

Thanks, you've been great help! The only thing I don't get is "computer simulation", can you elaborate? Also, do you think that I need crossover for Beyma 15P80Fe or can I use a mixer to cut the high frequences? I will use it like a mid-bass but if I need a crossover for this will I need a pasive or active one? It is 800 RMS. And at what point is it good to cross combine with CP800Ti ? Also, I aim at a professional result.
Thanls for your time!
 
#4
The crossover point between your 15" and the CP800 is determined by the horn the CP800 works into. You aim for a smooth transition in dispersion so if you use a 90deg horn the xover frequency should be around 900Hz. That is because the dispersion of a 15" narrows to 90deg at about that frequency.
I would cross actively myself.
 
#6
koutrou said:
Thanks, you've been great help! The only thing I don't get is "computer simulation", can you elaborate? Also, do you think that I need crossover for Beyma 15P80Fe or can I use a mixer to cut the high frequences? I will use it like a mid-bass but if I need a crossover for this will I need a pasive or active one? It is 800 RMS. And at what point is it good to cross combine with CP800Ti ? Also, I aim at a professional result.
Thanls for your time!
Click to expand...
For the best results you need some measurements (calibrated mic plus ARTA software) of the actual frequency response of the drivers mounted in the loudspeaker box, and the most important: crossover simulation software. And a knowledge to do it.
Or you can skip that altogether and use three-way active crossover (24 dB/octave Linkwitz-Riley) and three stereo amplifiers (for sub, 15P80Fe, and CP88Ti). You still must determine the exact delay of the drivers, or you will end with the notch at the crossover frequency. Behringer DCX 2496 is inexpensive processor with everything in it - crossover, delay, equalizer, compressor/limiter. Better is DBX, or something else.
 
#7
Sonce said:
For the best results you need some measurements (calibrated mic plus ARTA software) of the actual frequency response of the drivers mounted in the loudspeaker box, and the most important: crossover simulation software. And a knowledge to do it.
Or you can skip that altogether and use three-way active crossover (24 dB/octave Linkwitz-Riley) and three stereo amplifiers (for sub, 15P80Fe, and CP88Ti). You still must determine the exact delay of the drivers, or you will end with the notch at the crossover frequency. Behringer DCX 2496 is inexpensive processor with everything in it - crossover, delay, equalizer, compressor/limiter. Better is DBX, or something else.
Click to expand...

Thanks man a lot i solved my problems..... 😉
 
#8
Sonce said:
For the best results you need some measurements (calibrated mic plus ARTA software) of the actual frequency response of the drivers mounted in the loudspeaker box, and the most important: crossover simulation software. And a knowledge to do it.
Or you can skip that altogether and use three-way active crossover (24 dB/octave Linkwitz-Riley) and three stereo amplifiers (for sub, 15P80Fe, and CP88Ti). You still must determine the exact delay of the drivers, or you will end with the notch at the crossover frequency. Behringer DCX 2496 is inexpensive processor with everything in it - crossover, delay, equalizer, compressor/limiter. Better is DBX, or something else.
Click to expand...

Excuse me man again, can Behringer DCX 2496 crossover works well with tow Beyma 15P80Fe (mid-bass) , tow Beyma CP88Ti (mid-high) and one Beyma 21Pw1400Fe (low) with three different amplifiers ? Also can handle the RMS watts of those speakers (mid-bass 2 x 800 RMS) , (mid-high 2 x 130 RMS to 1.5khz) and (low one 1400 RMS subwoofer) ?
 
#10
Phenoholic Anonymus said:
The Behringer DCX 2496 crossover can handle anything from zero to over 100.000 watt, the powerhandling in an active system is not determined by the crossover... but in the next steps, amplifiers, drivers and enclosure design.
Click to expand...

Thanks for information, also with a active crossover i can cross my drivers to any frequency ? for example {low cross to 150hz (lowpass) , mid-bass cross to 500hz (lowpass) , mid-high cross to 500hz (highpass).... can i with Behringer DCX 2496 do this ?
 
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