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Old 2nd April 2010, 07:47 AM   #11
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I'm doubting that efficiency. 2.8V at 1ohm? I also can't understand how it's meant to hit 15Hz, with a resonance of 26Hz. I'd say it represents a lot of extreme SPL car stuff - over-bloated specs, with silly power handling.
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Old 30th August 2010, 12:49 PM   #12
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How about the Audiobahn 34-inch ?

Click the image to open in full size.
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Old 30th August 2010, 01:35 PM   #13
epa is offline epa  Netherlands
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YouTube - Myth Busters diesel woofer
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Old 22nd September 2011, 02:04 PM   #14
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Quote:
Originally Posted by StigErik View Post
How about the Audiobahn 34-inch ?
looks interesting.
who can post some high resolution images about Diatone's D-160 (D160) ??
I can find only this pic -last pic about
SubAudio - Diatone - Telechargements de plans d'ébenisterie et schémas d'enceinte - Paramètres des haut-parleurs

here more interesting URLs arround large exotic transducers:
Audio Fidelity BG • ??? ?????? - ????????? ? ??????????????
Flickr: ????????'s Photostream
Forum des passionnés d'enceintes Cabasse, HIFI vintage et Home Cinéma. :: Bon anniv' !
Ideas needed, what would you do with a 24" woofer? - Page 4 - AudioKarma.org Home Audio Stereo Discussion Forums

In real life I hate such speakers and therefore I prefer speakers/transducers, that have perfect quality and that are produces in a great amount over a long time. The brand "Precision Devices" is my favorite brand.
about
New Approach for an Outline from a DIY Subwoofer - Precision Devices PD2150 inside
you will find some projects, that I have realized by various customer's

Last edited by tiefbassuebertr; 22nd September 2011 at 02:23 PM.
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Old 2nd March 2012, 04:59 PM   #15
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Quote:
Originally Posted by StigErik View Post
How about the Audiobahn 34-inch ?
That model number is it and where I can download a datasheet?
Quote:
Originally Posted by epa View Post
video isn't remained

Last edited by tiefbassuebertr; 2nd March 2012 at 05:01 PM.
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Old 2nd March 2012, 05:52 PM   #16
Mikey p is offline Mikey p  Canada
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Adire Audio had the Parthenon at one time, not sure if it's still available through Dan Wiggins the creator.

Fs: 11 Hz
Qms: 19.4
Qes: 0.73
Qts: 0.70
Vas: 4560L
Sd: 3716 cm^2 (24" square)
Xmax: 72mm one way BL linear
Xmech: 140mm rearward one way
SPL: 91 dB @ 1W, 1m
Impedance: quad 4 Ohm voice coil
Cms: 0.24 mm/N
BL: 30.5 N/A
Re: 11.2 Ohms (all voice coils in series)
Mms: 880 grams
Vd: 53 liters
Pmax: 2000W total

When it was measured at CES 2004, it produced over 134 dB at 11 Hz.
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Old 2nd March 2012, 08:25 PM   #17
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Quote:
Originally Posted by Mikey p View Post
Adire Audio had the Parthenon at one time, not sure if it's still available through Dan Wiggins the creator.

Fs: 11 Hz
Qms: 19.4
Qes: 0.73
Qts: 0.70
Vas: 4560L
Sd: 3716 cm^2 (24" square)
Xmax: 72mm one way BL linear
Xmech: 140mm rearward one way
SPL: 91 dB @ 1W, 1m
Impedance: quad 4 Ohm voice coil
Cms: 0.24 mm/N
BL: 30.5 N/A
Re: 11.2 Ohms (all voice coils in series)
Mms: 880 grams
Vd: 53 liters
Pmax: 2000W total

When it was measured at CES 2004, it produced over 134 dB at 11 Hz.
Mean you the part from this URLs and the attached images?
Pics of Adire's new MEGASUBWOOFER (20 Hz, 121 db with no box) - Audio & Video Forums
http://web.archive.org/web/200406241...Dan/Parthenon/
Adire Audio's new motor (Parthenon)
Ultimate SPL subwoofer

By this transducer I don't understand, how it works.
Attached Images
File Type: jpg Adire Audio Parthenon Front.jpg (77.9 KB, 72 views)
File Type: jpg Adire Audio Parthenon Motor 1.JPG (39.3 KB, 71 views)
File Type: jpg Adire Audio Parthenon Motor 3.JPG (43.2 KB, 72 views)
File Type: jpg Adire Audio Parthenon Motor 4.JPG (59.0 KB, 71 views)
File Type: jpg Adire Audio Parthenon Motor 5.JPG (59.5 KB, 8 views)
File Type: jpg Adire Audio Parthenon Motor 6.JPG (67.1 KB, 8 views)
File Type: jpg Adire Audio Parthenon Side View.jpg (40.5 KB, 21 views)
File Type: jpg Adire Audio Parthenon Side ViewII.jpg (76.7 KB, 27 views)
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Old 2nd March 2012, 08:30 PM   #18
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Diatone DS-80S - some images
Attached Images
File Type: jpg Diatone DS-80S front.jpg (175.8 KB, 24 views)
File Type: jpg Diatone DS-80S front-bottom.jpg (151.6 KB, 15 views)
File Type: jpg Diatone DS-80S rear.jpg (146.4 KB, 14 views)
File Type: jpg Diatone DS-80S rear-I.jpg (123.0 KB, 13 views)
File Type: jpg Diatone DS-80S rear-II.jpg (132.5 KB, 14 views)
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Old 2nd March 2012, 08:32 PM   #19
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That is indeed what he is referring to.
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Old 2nd March 2012, 08:33 PM   #20
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Default unknown Transducer

Who knows the brand and model number of the transducer from the attached photos?
Attached Images
File Type: jpg Bass-I.jpg (68.2 KB, 15 views)
File Type: jpg Bass-II.jpg (79.9 KB, 18 views)
File Type: jpg Bass-III.jpg (67.8 KB, 23 views)
File Type: jpg Bass-IV.jpg (75.7 KB, 20 views)
File Type: jpg Bass-V.jpg (75.2 KB, 24 views)
File Type: jpg Bass-VI.jpg (79.4 KB, 19 views)
File Type: jpg Bass-VII.jpg (73.5 KB, 11 views)
File Type: jpg Bass-VIII.jpg (77.0 KB, 16 views)
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