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Old 20th March 2007, 01:18 PM   #531
oshifis is offline oshifis  Hungary
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Buschhorn downsized to 2/3 of the original dimensions. Tangband W3-871S drivers.
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Old 20th March 2007, 03:26 PM   #532
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Default Hedlund Speakers

Well, I think I should post my work here too.

These are modified Hedlunds using Fostex 208Sigma. The driver box is different and has the same volume as the one in the back loaded horn recommended for the Fostex 208Sigma on their website. Also the height is only 5 foot instead of 6.5. My wife said the original ones would not look nice in our low ceiling room and I gladly agreed because the birch panels were 6 x 2.

Michael Speaker
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Old 20th March 2007, 05:15 PM   #533
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Quote:
Originally posted by oshifis
Buschhorn downsized to 2/3 of the original dimensions. Tangband W3-871S drivers.

Very interesting and nice work. How do they sound?

I have a friend who wanted to try the W3-871S in the Buschhorn MkI.

Did you try the W3-871S in the full size enclosure? When you you say 2/3 of the original dimensions, I assume you are referring to height dimensions only.

Cheers,
Gio.
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Old 20th March 2007, 06:41 PM   #534
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Quote:
Originally posted by edjosh23
I finally finished my BiTonkens.... I'll try to take a picture of the actual speakers as soon as i get my hands on a camera.
Looking foward to the pictures... i hope to get a set of BiFonken Mk II together for the end of July diyFest.

dave
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Old 20th March 2007, 06:46 PM   #535
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Quote:
Originally posted by oshifis
Buschhorn downsized to 2/3 of the original dimensions. Tangband W3-871S drivers.
The original Buschhorn was for a 3" driver, so i'm assumming you scaled the Buschhorn II?

dave
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Old 21st March 2007, 09:57 PM   #536
Fuling is offline Fuling  Sweden
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Yesterday I came across some free pieces of 22mm chipborad so I decided to build a pair of "ripoles" to help my open baffles out below 90Hz.
With only a pair of 8" drivers at hand, they turned out pretty small but aside from a (room related) dip at 55Hz they played pretty good down to Fs (44Hz).
To make a long story short; they worked quite good for acoustic music but made a complete mess out of some of my faster rock albums. Not good, considering the contents of my record collection.
Back to closed cabs >100Hz
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Old 25th March 2007, 12:02 AM   #537
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Default DBR W3-871S project complete!

Here's a pic of the double-BR W3-871S project I just completed. Boy is it a tight squeeze fitting all those ports in such little spaces! Enclosure is made up of left over pieces of 3/4" baltic birch and 3/4" MDF. No listening impressions yet.

Next to them are the sealed FE164 units I build last year but never posted. Enclosure is solid oak. Not happy with those, not sure if I'll port them, go aperiodic, or maybe just put them in some other enclosure entirely.
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Old 25th March 2007, 04:58 PM   #538
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A pic of my vofo mk2s which had an outing at a local get together yesterday...Well received.

Slightly smaller internal volume and smaller exit ports than the previous mk1s.

Regards

Ed
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Old 25th March 2007, 04:59 PM   #539
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another view
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Old 25th March 2007, 06:45 PM   #540
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Smart looking...

I've already had private mail reviewing the positive direction you have taken this...

Keep on truckin'

dave
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