A thread for Tysen and variations on FAST - Page 17 - diyAudio
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Old 7th November 2010, 07:02 AM   #161
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Default MTM ML-TL FAST

Our next project based on this concept playing in my office today.

Woden Design's Twin EL166 ML-TL (with my own variations). Executed as an MTM with an FF85KeN. We started this one before FF85 was discontinued, you could use your favorite mid-tweeter -- i think Alpair 6M should be a good candidate -- or a tweeter of your choice.

Lots of good well controlled bass. Even thou XO work is still at early stage, i am quite happy with them.

Click the image to open in full size.

Click the image to open in full size.

dave
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Old 7th November 2010, 08:39 AM   #162
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XO work...rather you than me, mate. Dancing ballett while carrying sacks of coal and paying for the privilege?
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Old 7th November 2010, 09:17 AM   #163
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Fortunately in the 250-400 Hz range and i'll be able to get away with 1st order so not a lot of degrees of freedome to deal with.

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Old 17th March 2011, 10:25 PM   #164
freddi is offline freddi  United States
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hey Dave - besides that new project - got any F.A.S.T. suggestions for a reasonably compact speaker to play the odaiko-stuff at heady spl? Seems (?) like it'd have to have the fullrange move less than the woofer to survive indicating 2nd order highpass. -got a Trio12 in my pile.
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Old 14th October 2011, 08:41 PM   #165
von Ah is offline von Ah  United States
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Another FAST-related idea I've been kicking around is to update vintage boxes with a fullrange + woofer setup.
Could first-order passive high and low pass filters work with the right driver combination?
If the fullrange drivers are used with said high pass ~ 200 Hz, could they share a 1.5 ft^3 sealed cabinet with an 8-10" woofer?
Just rudimentary musings -- sorry if this is categorically not in line with the FAST philosophy.
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Old 14th October 2011, 08:56 PM   #166
freddi is offline freddi  United States
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I've had 1540TBX woofers laying around for ages - maybe a sealed/"boosted" with cap for the woofer and Faital 4FE30??? I like this little Faital for its cost and sound but don't have experience with other 4"

spare woofers - higher mms, lower vas, moderate sensitivity

http://www.teamaudio.fr/media/catalo.../15tbx40-8.jpg

500uF effect (assuming low drive Z)
Click the image to open in full size.

Last edited by freddi; 14th October 2011 at 08:59 PM.
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Old 14th October 2011, 09:29 PM   #167
freddi is offline freddi  United States
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maybe 15TBX is too loud for this application? - in a little reflex its 3-4.5dB lower in sensitivity than a strong woofer with half its moving mass making it 7dB less than the JBL in a Karlson

Factory spl and Z
http://img710.imageshack.us/img710/3766/15tbx40splz.png
B&C ~ groundplane in my V-vent RCA-Fan reflex vs a JBL bass guitar speaker
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Old 28th November 2011, 07:22 PM   #168
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Quote:
Originally Posted by planet10 View Post
Our next project based on this concept playing in my office today.
I have commented & shown more pictures of these in other threads, they turned out VERY well.

Here is the XO we ended up with.

Click the image to open in full size.

The new FF85wk should drop right in.

dave
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File Type: gif EL166-FF85-MTM-XO.gif (28.2 KB, 898 views)
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Old 28th November 2011, 09:31 PM   #169
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Here is a visualization of the next iteration of "Tysen", with the new FF85wk augmented by an ML-TL with 2 Peerless 4" (thanx Scott). The little uFonkenSET are already in play and quite stunning, the Peerless woofers are on the break-in bench.

Click the image to open in full size.

dave
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Old 28th November 2011, 10:18 PM   #170
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Sounds interesting Dave - why this choice of woofer support ?
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