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Old 17th October 2010, 06:36 PM   #1
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Default Onken for Fostex FE166En

Hi people, any idea for plans to build Onken for Fostex FE166En? I've heard them sound and look great!
Thanks all,
Z.
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Old 17th October 2010, 06:57 PM   #2
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You need FE167e (One Sixty Seven) for Onken style enclosure.

jeff
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Old 17th October 2010, 07:33 PM   #3
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FE166En really wants a horn...

dave
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Old 17th October 2010, 07:40 PM   #4
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Hey Dave: remember I had pretty good results with a FE166e in my K-line (hybrid Karlson) so that is a possible option that is smaller than a horn. All the best Moray James..
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Old 17th October 2010, 07:52 PM   #5
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Yes i remember that one -- i knew it was the subject as soon as i saw your name ... (someone said an HD crash ate your copy of the plans?). I also seem to recall you saying it did a bit better with FE167?

dave
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Old 17th October 2010, 07:59 PM   #6
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I've already built a horn for 166, Fostex' original, but after having heard Onken's one... well I'd like to try! As seen in few uncomplete picture on the net Onken seems similar to Solo-166 project. Isn't it? Anyway, has anybody Onkens plans?
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Old 17th October 2010, 08:24 PM   #7
GM is online now GM  United States
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Quote:
Originally Posted by vinylkid58 View Post
You need FE167e (One Sixty Seven) for Onken style enclosure.
Why? Driven with a high output impedance or adding some series resistance allows a F3 = Fs Onken without exceeding the vent length limit and you still have whatever 'sweetness' this driver may have over another.

GM
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Old 18th October 2010, 04:34 AM   #8
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Default Hey GM.

Quote:
Originally Posted by GM View Post
Why? Driven with a high output impedance or adding some series resistance allows a F3 = Fs Onken without exceeding the vent length limit and you still have whatever 'sweetness' this driver may have over another.
Not such a bad idea if efficiency isn't an issue. I added 6 ohms of series R, but system eff. is down a little over 4dB. I also used n=5.7, just to make things easier.

jeff
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Old 10th June 2011, 08:21 PM   #9
zman01 is offline zman01  Bangladesh
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Was looking for a few other options for my FE166ens besides the BIBs in which they are in. Googling brought me to this thread.

Did anybody end up building a Fonken with the FE166en?

Any feedback suggestions will be appreciated.

Thx, Zia
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Old 10th June 2011, 10:42 PM   #10
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Quote:
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anybody end up building a Fonken with the FE166en?
I just simmed one. F3 ~110Hz, F10 ~86 Hz.

Might as well put it into a butterworth 5.3 litre sealed box and XO to a woofer (150 Hz XO (3rd order acoustic)).

dave
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