A thread for Tysen and variations on FAST - Page 18 - diyAudio
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Old 28th November 2011, 10:34 PM   #171
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Of the woofs that would fit within the box size requirements they were the ones i liked best (price/perfprmance, other considerations). There is also a Dayton that will work in the same box.

dave
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Old 29th November 2011, 01:21 AM   #172
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Dave,

Peerless is a severely underrated brand - and can give professionals more peace of mind. No redesigning your boxes every year for the new model with the TSP just that tiny bit too different. Once they have a good one they keep building it. And a factory fresh one will measure exactly like the orphan you´ve had on your shelf for a decade.

How´s the weather in BC?

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Old 29th November 2011, 02:16 AM   #173
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8 degrees and not raining today... not that it would matter, the "local" football team won the championship yesterday.

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Old 29th November 2011, 02:24 AM   #174
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My congrats to them. I hope all of you got severe amounts of liquid inside yourselves after the game.

Pit
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Old 29th November 2011, 12:19 PM   #175
zman01 is offline zman01  Bangladesh
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Originally Posted by planet10 View Post
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
Nice design Dave - now we need to hear from you how the Fonkenwoofs play together with the uFonkenset. Are we talking about Peerless 830855 here?

What sort of F3 and F10 do you expect to reach?

- Zia
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Old 29th November 2011, 09:04 PM   #176
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Nice design Dave - now we need to hear from you how the Fonkenwoofs play together with the uFonkenset. Are we talking about Peerless 830855 here?

What sort of F3 and F10 do you expect to reach?
830870, I do wish they'd use more memorable designations.

The 855 will work as well, but with a bit less room friendly roll-off.

870 has an F10 below 40, a nice knee at 40, and a gentle slope down starting at about 80 hz,

855 is flatter to 50 hz, but then dives.

Dayton is in-between

dave
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Old 19th January 2012, 03:05 PM   #177
edinm is offline edinm  Bosnia and Herzegovina
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Default Tysen with new EAD E60 (improved jxr6hd)

Hi,


How about EAD E60 (or Jordan jxr6hd) in Tysen paired with appropriate oofer around 300 - 350Hz. Is it going to work well considering E60 is only 2" driver?

Thanks
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Old 10th October 2012, 06:45 PM   #178
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The 1st pass dsrawing i did was a standard rectangular box... here is one that resides in the UK

Click the image to open in full size.

plans for this one attachec (note, these plans are still not presentation quality, i will be updating them)

dave
Dave, is there any particular advantage in mounting the woofer on the side wall ? Why not just mount the woofer and the FR driver on a wider baffle on the front. This way,
(1)the acoustic centers of the drivers will be closer and
(2)the baffle step will be at a lower frequency allowing lower cross over frequency and a wider frequency band of operation for the FR driver.

Both the above should improve coherency aspects, more in line with advantages of "full range" sound.
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Old 10th October 2012, 06:50 PM   #179
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But a wider baffle reduces imaging?
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Old 10th October 2012, 06:57 PM   #180
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Dave, is there any particular advantage in mounting the woofer on the side wall ? Why not just mount the woofer and the FR driver on a wider baffle on the front. This way,
(1)the acoustic centers of the drivers will be closer and
(2)the baffle step will be at a lower frequency allowing lower cross over frequency and a wider frequency band of operation for the FR driver.

Both the above should improve coherency aspects, more in line with advantages of "full range" sound.
Part of the design brief with Tysen was to keep it slim. They need to be toed in 30 degrees, woofers on the outside for best performance. At the frequency of the XO the drivers are essentially coincident. The XO and the shapes were all carefully tailored.

Now when we did the MTM with EL166 we did all those things you suggest. XO was much simplier and could be passive. About the same XO point as Tysen.

dave
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