Question about Infinity Overture 2 Speaker

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Bypassing the 150 watt blown amp with passive crossover

I have four Infinity Overture 2 speakers with blown amps (lightning strike). I think the crossover point is 350 Hz. Is it possible to build a passive crossover with all the correct parameters for the two woofers in each speaker and bypass the amp totally. Any advice on where and how to do this would be great.
Thanks Tom

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3/4 update: i bypassed the 300w amp on my first ovtr3 with a cs3006 crossover i purchased on ebay. the input wires at the base of the speaker were connected to the input of the crossover, the bass output of the new crossover was connected to the yellow/yellow-black lf+/lf- wires that used to leave the old 300w amp. the high freq output of the new crossover was directly connected to the leads coming from the speaker's tweeter (running the midfreq outputs from the new crossover to the input of the speaker's old crossover is no good, since the midfreq output of the new crossover would rolloff and provide little high freq to the tweeter). The mid-freq output from the crossover was connected to the input of the old crossover that came with the speaker (alternatively, i could have wired the mid freq output from the new crossover directly to the midrange speakers, but i figured the old crossover might have had some characteristics that would have been helpful. the result is better than i hoped for! true, the bass is not quite as floor shaking as before (and you need an amp that can boost +5-+10db below 350Hz and rolloff the boost above 350Hz), but the end result is more than satisfying and gives these speakers new life. I am using a Sony receiver that puts out around 200W for the front speakers.

Posted on Mar 04, 2008


I'm purchasing 2 infinity 3-way passive crossovers on eBay with the same crossover freqs as my two overture 3's with blown amps. For 19.99 each, it's worth a try. Good luck to you!

Posted on Feb 18, 2008


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