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Porn Horns Measurements

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Category: Plans
Forum Name: Po rn Horns
Forum Description: Discussion / Questions about the Po rn Horns
Printed Date: 22 March 2023 at 3:25pm
Software Version: Web Wiz Forums 12.05 -

Topic: Porn Horns Measurements
Posted By: zALTEC
Subject: Porn Horns Measurements
Date Posted: 03 February 2006 at 4:22am
Hi ppl,
has anyone got a SPL reading and/or plot for the Midrange porn horn?

I'm thinking to use it with a bms comp. driver, but they're rated at 132dB and i don't think a single 12" can keep up with it.


Posted By: Mircea Bartic
Date Posted: 03 February 2006 at 5:19am
one single porn horn @ 300Wrms will reach 132 dB continuous

should be a good combination

general manager & head designer at nexus-acoustics research" rel="nofollow -

Ex Nexus_3

Posted By: zALTEC
Date Posted: 03 February 2006 at 7:36am
Good to hear you Nexus, i'd like to use porn horn with 18 Sound 12MB700 which is rated 450w but using a cooling plug (like the one used by pi speakers) i think i can go at least up to 600W RMS without burning the coil. Overexcursion is not an issue because at 600w with 160hz hp it should be much less than 4.5 rated xmax (according to akabak..)
I don't know if using it with a 2" bms driver crossed at 700hz max or use a 1" and go up to 1.2-1.5khz. The second option is cheaper but i think the first would be best sounding, 700hz-20khz single point source, no phase issues, no xover in the critical 1-3khz region and over 1000w peak capability. For the horn i'm thinking to use a DDS 60x40 or the cheaper BMS 50x55, imho much more suited than the original porn horn.


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