FE166En+FT17H "Concerti clone" (lots of pics!!) - Page 2 - diyAudio
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Old 8th January 2012, 06:53 PM   #11
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How should I post this??
Any moderator around who can change things or has suggestions??
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Old 8th January 2012, 09:04 PM   #12
tinitus is offline tinitus  Europe
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Old 8th January 2012, 09:18 PM   #13
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Latest update on the drawing.
Some small adjustments.

And some more of the same.
Pay attention to the "setting" of the top inner panel ; keep exact dimensions as in the drawing!!
This is the thraoth setting and important for the commpression ratio!!
Attached Images
File Type: jpg DSCF4103.jpg (694.9 KB, 1327 views)
File Type: jpg DSCF4111.jpg (766.4 KB, 1303 views)
Attached Files
File Type: pdf Concerti 166 17 mk III.pdf (19.0 KB, 229 views)
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Old 19th February 2012, 01:48 AM   #14
gemil is offline gemil  Hungary
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Hi! It works without fostex FT17H? There is no need sound-proofing? Some measurements are? I have a pair of fe166en, I want to build somethings with them. Victor is too big. This is very similar what I have now, a Buschhorn MKII. It's better to have the throat to the front? Thank you for the answers!
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Old 19th February 2012, 01:30 PM   #15
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You can always start without the tweeter.
Add it if you feel the need for it.
This set of speakers has been build 8 times ; everybody is playing WITH the FT17's at this moment : large improvement!!

I didn't notice any interesse in thid build so I stopped posting.
I do have a lot more pics to help building them!!

Just let me know if and when you need them.

btw ; nobody ever complaint about the bass !!Plenty!! of it!!

They need a lot of "burn-in" about 200~~300 hours!!
We used some soft filling in and arround the whizzer for the first 200hrs.
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Old 19th February 2012, 03:39 PM   #16
Dzius is offline Dzius  Poland
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Quote:
Originally Posted by Leonidas View Post
btw ; nobody ever complaint about the bass !!Plenty!! of it!!
Comparing to the official Fostex Recommended Back Loaded Horn Type Enclosure your Concerti looks much smarter.
Have you got any recorded frequency measurments ?
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Old 19th February 2012, 04:35 PM   #17
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Yes, I also think it's smarter.
Took me several drawings to reach my target.
By placing just ONE panel different I succeded getting a hybrid horn that was without parallel pieces.
The other differences are a result of HornResp and AJ-horn.

No, I don't have any measurements ; but I own , about 14 , different sets of loudspeakers to compare to.
This design is one of my best!!

I used the same cd's to voice them as for my "Eidoclone's" ; the midi concerti's hold up very wel!!

You can adjust the CC by adding some woodblocks inside by ear.
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File Type: jpg Afbeelding 004.jpg (326.4 KB, 1068 views)
File Type: jpg CIMG0060.JPG (244.4 KB, 1070 views)
File Type: jpg CIMG0061.JPG (252.7 KB, 620 views)
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Old 19th February 2012, 06:30 PM   #18
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Default wired in the tweeter

Hey Leon, thanks for the build thread. I had a look at the PDF and cannot quite understand how you wired in the tweeter?
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Old 19th February 2012, 07:23 PM   #19
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the tweeter is in series with a C ; 0,82 -2,2 uF and then parallel to the Fr.
add an R ; 1 - 2.2 ohms in series to the C to adjust the level of highs ; is room dependent.
At this moment , after burn-in , everyone uses only 2,2 uF.
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Old 19th February 2012, 07:38 PM   #20
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Enjoyable thread. Thanks for posting progress pics.

Zilla
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