Active Crossover?! what?

oldies · 16th January 2013, 07:29 PM

I'm planning for a 4-way horn speaker. horn bassbin (midbass) + horn mid-range + horn tweeter and a supwoofer for lower frequencies. I'm going to use active Crossover but I have no idea what to use. sure drivers have different sensitivities and I'm gonna use L-pad to attuanate them to balance the sound.

I want your opinion about active XOvers. I'm pretty a newbie to this issue. thanks alot

sreten · 16th January 2013, 07:40 PM

Hi,

Active speakers don't need and hence don't use L-pads.

rgds, sreten.

tinitus · 16th January 2013, 07:57 PM

4way active speaker have 4 power amps, one fore each speaker
you control the level of each from the 4way crossover/preamp
most PA power amps are also built with level control at input

adason · 16th January 2013, 08:58 PM

even your speakers are 4 way, it does not necassary mean active crossover has to be 4-way...it can be two way, split the signal for subwoofer and the rest, two amps per side required, and passive crossover for rest

or get a 3-way active crossover, you need three amps per side, and only have mid and tweeter passive crossover, (often just one cap)

if you decide 4-way active, maybe digital crossover is best option, than you (only) need four amps per side, no passive parts between amps and speakers

good luck!

lots of options...

16th January 2013, 07:29 PM	#1
oldies Banned Join Date: Dec 2011	Active Crossover?! what? I'm planning for a 4-way horn speaker. horn bassbin (midbass) + horn mid-range + horn tweeter and a supwoofer for lower frequencies. I'm going to use active Crossover but I have no idea what to use. sure drivers have different sensitivities and I'm gonna use L-pad to attuanate them to balance the sound. I want your opinion about active XOvers. I'm pretty a newbie to this issue. thanks alot

16th January 2013, 07:40 PM	#2
sreten diyAudio Member Join Date: Nov 2003 Location: Brighton UK	Hi, Active speakers don't need and hence don't use L-pads. rgds, sreten. __________________ There is nothing so practical as a really good theory - Ludwig Boltzmann When your only tool is a hammer, every problem looks like a nail - Abraham Maslow

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16th January 2013, 07:57 PM	#3
tinitus diyAudio Moderator Join Date: Nov 2005	4way active speaker have 4 power amps, one fore each speaker you control the level of each from the 4way crossover/preamp most PA power amps are also built with level control at input

16th January 2013, 08:58 PM	#4
adason diyAudio Member Join Date: Nov 2004 Location: troll in US	even your speakers are 4 way, it does not necassary mean active crossover has to be 4-way...it can be two way, split the signal for subwoofer and the rest, two amps per side required, and passive crossover for rest or get a 3-way active crossover, you need three amps per side, and only have mid and tweeter passive crossover, (often just one cap) if you decide 4-way active, maybe digital crossover is best option, than you (only) need four amps per side, no passive parts between amps and speakers good luck! lots of options...