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Old 4th January 2012, 12:48 AM   #81
ODougbo is offline ODougbo  United States
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Default Fonken 125wk Build

A bit of a long story here, I went out on my own building 125wk boxes, actually built 7 boxes, not counting the pair in the pic. I tried different sizes and tuning frequencies.

The 1st pair was too small, sounded thin, jumped up a couple of liters and picked up some bass, but still not right.

I threw in the towel and contacted david@planet10-hifi.com and he had designed a Fonken for this driver (pic).

In a word Wow! Much better than anything that I came up with, a lot better; crystal clear sound, warm and throaty bass. The P10 plans were excellent, easy to follow; I did enlarge the plans full scale on a copier (recommend).

For comparison, I do have two pairs of 120FXs in different boxes; I cannot listen to all the songs on a CD, some will sound off-wall-fantastic, but others are a little sour. I do think a tube amp would help (using a sansui 7070).

This last pair is unbelievable: not an expensive build, easy to follow plans, sound fantastic - without being selective and using a transistor amp [Rotel, RB 980BX].
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Last edited by ODougbo; 4th January 2012 at 01:00 AM.
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Old 4th January 2012, 01:14 AM   #82
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Quote:
Originally Posted by ODougbo View Post
I cannot listen to all the songs on a CD.
Neither can I, but it's not the speakers.

Nice work BTW.

jeff
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Old 4th January 2012, 02:32 AM   #83
chrisb is offline chrisb  Canada
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Originally Posted by vinylkid58 View Post
Neither can I, but it's not the speakers.

Nice work BTW.

jeff

dude, as you can recall from the weekend, even on vinyl some albums are a waste of stylus wear


Doug: glad you're happy

tys
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Old 4th January 2012, 03:04 AM   #84
ODougbo is offline ODougbo  United States
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They have a very nice lay back, easy to listen too quality.

I'd say it seemed all "too easy", except for the 7 previous builds.
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Old 4th January 2012, 03:53 AM   #85
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Originally Posted by chrisb View Post
dude, as you can recall from the weekend, even on vinyl some albums are a waste of stylus wear
Blatantly obvious wasn't it. Sadly, there are others, such is the pop/rock music scene these days.

jeff
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Old 29th January 2012, 04:03 PM   #86
westend is offline westend  United States
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Originally Posted by planet10 View Post
A pair of uFonken that showed up at DIY 2011 in Gothenburg, Sweden.

Click the image to open in full size.

dave
Hey Dave, any idea who these belonged to? More to the point, I have a pair of Fostex FE108E Sigmas that need a home in a small box. I was thinking Fonken from the get-go and stumbled on one of your posts and plans for a MilliFonken, plan dated from '07, variation ov7. Did you get a chance to measure this at all? Just curious more than practically concerned, I plan to use these in my travel trailer where space is small and I don't require critical listening.
TIA and best wishes,
Lance
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Old 29th January 2012, 11:57 PM   #87
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Quote:
Originally Posted by westend View Post
Hey Dave, any idea who these belonged to? More to the point, I have a pair of Fostex FE108E Sigmas that need a home in a small box. I was thinking Fonken from the get-go and stumbled on one of your posts and plans for a MilliFonken, plan dated from '07, variation ov7. Did you get a chance to measure this at all? Just curious more than practically concerned, I plan to use these in my travel trailer where space is small and I don't require critical listening.
TIA and best wishes,
Lance
A fellow from Luxenbourg i believe

There is a mFonken108. We've not built it. It will have somewhat limited bass.

dave
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Old 3rd February 2012, 08:40 AM   #88
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Default µMar-Ken6.2

This can be fitted with Alpair6.2P or M. 15 x 25 x 12 (WxHxD)

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Old 9th February 2012, 03:15 AM   #89
westend is offline westend  United States
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Originally Posted by planet10 View Post
A fellow from Luxenbourg i believe

There is a mFonken108. We've not built it. It will have somewhat limited bass.

dave
Thanks for the reply. The mFonken 4.5 l cabinet plan is identical to the millifonken plan I referenced previously. I guess I'll build them and see how it sounds, I'm not looking for a lot of bass just a clear breath of air when I get tired of the other set of speakers in the RV. Also, it will give me a new candidate for my newly acquired measurement gear. I'll post up some pictures when they are mounted in the RV, the Cowboy Hilton.
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Old 9th February 2012, 04:17 AM   #90
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The mFonken 4.5 l cabinet plan is identical to the millifonken plan I referenced previously.
mFonken is a milliFonken, and is 4.5 litre. Tuning is different for the FE108eS than for the mFonken's FE127. Same shell, different tuning

dave
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