All the separate crossover units I've seen, offhand, go inline between the headunit and amp (that is, they use the RCA jacks). Is there any kind of crossover that goes between the amp and the speaker? (goes inline with the speaker wires)

 

Just curious... why would you want something like that?

 

you must be talking about a crossover for a set of components, if so yes.

 

Yes, they're called passive x-overs. You can build them with capacitors/inductors/resistors. They're cheaper than the preamp x-overs and likewise, don't do as well a job.

 

Yeah a resistor but they don't work that well. Just buy a set of passive crossovers

 

You mean active crossovers.

Active crossovers are electronic devices that take the line output of the deck and divide into highs/mids/lows <u>before</u> it reaches the amplifier. This is most efficient way of signal modulation and results in better sound quality.

Passive crossovers are as mentioned above, resistor networks that alter the signal output of the amplifier. Definitely a lot less efficient, but cheaper.

 

If you read the whole post he wants it after the amplifiers!!!!

Passive crossovers....

 

Thanks guys, that's what I needed to know. ^_^

 

Passive crossovers are usually designed for use with a specific tweeter and woofer. It not only sends the frequencies to the proper speaker, but it also functions to provide seamless transition between the tweeter and the woofer. Good component sets have a separate crossover to send high to the tweeter and lows to the woofer. The passive is inserted after the amp, while a active crossover should be placed before this such as on your headunit or your amp to keep the really low bass out of the woofer in your component set and send it to your subwoofer.

Passive crossovers eat up power. This is called insertion loss. Cheap speakers have a crossover on the tweeter only in the form of a single capacitor so the tweeter doesn't play too low and the voicecoil jumps out of the gap. The woofer plays full range.

People usually use both in a car. Active or electronic to separate between their subwoofer system and their main speakers and a passive to separate between tweeters and woofers.





[Modified by dc24me, 1:36 AM 1/26/2002]