Home Speaker Asylum

General speaker questions for audio and home theater.

RE: fool's bi-amp ?

Unfortunately, the 3134 crossover in the 4430 monitor does not appear to be "simply bi-wire/bi-ampable". You can select between single input to internal crossover networks, or this strange input that requires a "1khz crossover" in combination with portions of the internal crossover.

To biamp-these you will need whatever that "1khz external crossover" is, be it active or passive. I would ask around about these on the audioheritage.com website - search for 4430 or 3134. Sorry, but it's not a typical "remove the jumpers and bi-amp" situation and results in far more complexity than just gain matching.

Here are some links to get you started...

http://www.jblpro.com/pub/obsolete/443035.pdf
http://www.jblproservice.com/pdf/Network%20Schematics/3134%20Network.pdf
http://www.audioheritage.org/html/profiles/jbl/4430-35.htm
http://www.diyaudio.de/html/jbl_4430.html



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