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Planar Speaker Asylum Welcome! Need support, you got it. Or share your ideas and experiences. |
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In Reply to: Re: attenuation in RF region posted by Monk1 on October 9, 2001 at 11:01:51:
which doesn't account for axisymmetry & also doesn't account for material E & M parameters each field of which has independent permitivity & permiability. Although, this does give the engineer a ballpark figure for qualitative design decision purposes.Yes, I did measure inductor variances in 12ga round-wire large-guage air-core chokes. However, one also notices this behavior in dome tweeters in frequencies above 10kHz too. Most impedences are asymptotic to ~45°. Even the ones without a steel parts that comprise a magnetic circuit to increase inductance & blame hysteretic lag.
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Follow Ups
- 1mm penetration is a 1D model - Mart 10/9/0111:34:36 10/9/01 (4)
- Re: Skin depth - Monk1 14:04:04 10/9/01 (3)
- Re: Skin depth - Mart 14:55:10 10/9/01 (2)
- Re: Transmission lines - Monk1 15:42:42 10/9/01 (1)
- just substituted a long cable length - Mart 00:42:58 10/23/01 (0)
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