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- Newsgroups: rec.audio.car
- Path: sparky!uunet!wupost!uwm.edu!ux1.cso.uiuc.edu!news.cso.uiuc.edu!uxa.cso.uiuc.edu!jsc52962
- From: jsc52962@uxa.cso.uiuc.edu (Jeffrey S. Curtis)
- Subject: Re: Crossover impedance
- References: <BxyDDp.K0B@news.cso.uiuc.edu> <1992Nov19.215448.13606@scott.skidmore.edu>
- Message-ID: <Bxzn7t.5v3@news.cso.uiuc.edu>
- Sender: usenet@news.cso.uiuc.edu (Net Noise owner)
- Organization: University of Illinois at Urbana
- Date: Fri, 20 Nov 1992 00:11:53 GMT
- Lines: 27
-
- In article <1992Nov19.215448.13606@scott.skidmore.edu> jreiser@scott.skidmore.edu (Jason Reiser... Asleep) writes:
- }You've got the concept a bit confused...
- }Actually, the crossover is not a load and as such will not have any
- }particular impedance. The impedance listed on the crossover is
- }instead the speaker impedance that will give standard performance of
- }-12db/octave at 3kHz. If you use this with 4 ohm speakers, you will
- }alter the crossover points.
-
- Yeah, that's what I finally figured out about ten minutes before
- reading your article. :-) Since I'm driving 4 ohm loads through
- the xo rated at -12dB/octave at 3kHz at 8ohms, does the true xo
- point become 6kHz at -12dB/octave, then?
-
- }As for power delivered through a crossover, the crossover shouldn't
- }absorb any power... save a small loss to heat... but if this crossover
- }were wired to an 8 ohm woofer and 8 ohm tweeter via a 30x2 amp, each
- }speaker would see 30 watts in the appropriate frequency range for that
- }speaker.
-
- Thanks for the clarification.
-
- Jeff
- --
- Jeffrey S. Curtis sidewinder@uiuc.edu | "Resplendent and full again, they revel
- The Power of 37 free2207 at uiucvmd | in their role as self-appointed critics
- Jensen - Polk - Sansui - Proton | of the establishment..."
- Sony - StreetWires - Sanyo - Sennet | -- INXS _Welcome to Wherever You Are_
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