Kabinet beregninger: Beregning af isobarisk kabinet

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Beregning af isobarisk kabinet

Printed From: SpeakerBuilder
Category: Selvbyg af højttaler
Forum Name: Kabinet beregninger
Forum Discription: Her kan du stille spørgsmål omkring kabinetberegninger. Alt fra spørgsmål om betegnelser og metoder til alm. erfaringsudvekslen.
URL: http://forum.speakerbuilder.dk/forum_posts.asp?TID=774
Printed Date: 27 Apr 2024 at 13:39
Software Version: Web Wiz Forums 9.56a - http://www.webwizforums.com

Topic: Beregning af isobarisk kabinet

Posted By: ronnie rasmussen
Subject: Beregning af isobarisk kabinet
Date Posted: 29 Jan 2012 at 00:01

er der nogen der vil forklare hvordan jeg beregner et isobarisk kabinet

og evt et båndpas?

er ved at lave lidt projekt til bilen

10'' Hertz 250
D mm: 210
Xmax mm: 10
Re ohm: 3,2
Fs Hz: 44,7
Le mH@1Khz: 1,31
Le mH@10kHz: 0,62
Vas lit: 20,49
Mms gr: 103,6
Cms mm/N: 0,12
BLT-m: 11,12
Qts: 0,64
Qes: 0,76
Qms: 4,12
Spl dB: 93

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http://forum.speakerbuilder.dk/forum_posts.asp?TID=401&title=ronnies-diy

Replies:

Posted By: D A O
Date Posted: 04 Mar 2012 at 04:07

Isobaric (most commonly “push-pull”)

An enclosure that uses two woofers mounted face to face, one wired reverse polarity. This alignment effectively cuts the vas in half. The general rule of thumb for an isobaric enclosure is twice the woofers, twice the power, and half the box size3.

Pros: Very small enclosures, increased power handling, driver non-linearities canceled out (lower distortion).

Cons: Very low efficiency, due to the small size of the recommended enclosures for our woofers an isobaric alignment is not practical.

http://sound.westhost.com/project1052.htm - http://sound.westhost.com/project1052.htm

http://en.wikipedia.org/wiki/Isobaric_speakers - http://en.wikipedia.org/wiki/Isobaric_speakers

http://www.the12volt.com/caraudio/boxes2.asp - http://www.the12volt.com/caraudio/boxes2.asp

http://diyaudiocorner.tripod.com/software.htm - http://diyaudiocorner.tripod.com/software.htm

http://www.diyaudioandvideo.com/Calculator/Box/ - http://www.diyaudioandvideo.com/Calculator/Box/

http://www.diysubwoofers.org/ - http://www.diysubwoofers.org/

Lidt at læse på, håber det hjælper :-)

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mvh Hans

http://goo.gl/lbn32 - Min Blog