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Old 23rd September 2002, 12:31 AM   #1
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Default Power Question

If I am building A P3A for the low pass, can I build a well matched biamped system with a P10 as the high pass amp? More specificly, what Xover frequency would I need?(assume a Linkwitz-Riley) I have some POS speakers for the mids and tweeters, but the subs are MTX Thunder3000's. I know NOTHING about the POS speakers, but the MTX's are marked:

1OMC1280 4 OHM
557 99-05-24
Is this (model#, impedence)
(datecode) ???

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Old 1st October 2002, 12:06 AM   #2
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If you know nothing about the POS speakers, you might be best off to build your amps, and an adjustable crossover, and adjust the levels of the amps and the crossover until it sounds good.
- "With power amplifiers, negative feedback is a good thing, and positive feedback can induce destructive oscillation, but with people, positive feedback is a good thing, and negative feedback can induce destructive oscillation"
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Old 1st October 2002, 12:30 AM   #3
JBL is offline JBL  Canada
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For best result you should test your driver for frequency response. You must do it on-axis and off-axis.

But doing a variable x-over would be simpler. You could also guess a frequency. whats are the size of the speaker?
Jonathan Blanchard (J.Bl.)
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