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Old 31st January 2021, 08:45 PM   #1
mark100 is offline mark100  United States
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... the dodecahedron..
dodo stand.jpg

Not often i get to post a build in full range

Eleven 4fe35's on all the faces except for the bottom face, which has the pole mount and four 2" diameter vent ports.

Has strong response down to 60Hz...time to play with port length etc.

Put a quick and nasty tuning on it...kinda suprised how decent it sounds.
And I've truly never heard anything so even anywhere/everywhere in the room.

Time will tell, work to do....
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Old 31st January 2021, 09:21 PM   #2
turk 182 is offline turk 182  Canada
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that's it...i'm selling my woodwork tools and i'm going to take up knitting...all my projects wind up looking like industrial Frankensteins !
seriously nice work!
if they "fill" the room is there a point or reason for a second for stereo?
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Old 31st January 2021, 09:46 PM   #3
xrk971 is offline xrk971  United States
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Beautiful woodwork Mark! Can you share build photos of the insides? How is it wired with 11 drivers?
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Old 31st January 2021, 09:53 PM   #4
Cal Weldon is offline Cal Weldon  Canada
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Nice work Mark.
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Old 31st January 2021, 09:58 PM   #5
Pano is offline Pano  United States
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Beautifully done Mark. Indeed this speaker does go to 11.
I'm surprised that you are getting 60 Hz out of the 4fe35 driver. Well done.
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Old 31st January 2021, 10:03 PM   #6
mark100 is offline mark100  United States
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Oh Wow guys, thanks for all the kind comments...!!!!!

Like said, just fired her up...will post details, meas, wiring etc, asap
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Old 1st February 2021, 12:32 AM   #7
perceval is offline perceval  Taiwan
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Wow. The work and dedication to make that is truly remarkable. Kudos!
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Old 1st February 2021, 12:47 AM   #8
jjasniew is offline jjasniew  United States
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My college roommate and best friend for a time got his ME Masters working with a speaker like that. He used it as an omni sound source to measure sound attenuation over snow, grass, blacktop. It used these Altec speakers with little aluminum dust caps. I remember he said it was omni up to a certain point, then it "beamed". Probably early 80s, AFAIR.

Nice work! What will you use it for?
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Old 1st February 2021, 12:54 AM   #9
moray james is offline moray james  Canada
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weird I have been thinking omni as well but in the opposite direction using only one small Tannoy DC driver firing up and then play pool with the top end reflections to achieve best results at my seating location. early experiments doing this with a Revolution XT Mini have resulted in impressive stage and image with a realism I have not achieved with direct radiation. not at all an intuitive result but what ever works is good for me.
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Old 1st February 2021, 06:15 AM   #10
oon_the_kid is offline oon_the_kid  Malaysia
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Nice, mounting everything on the inside you don't have to expose the ugly rabbit ears...

Oon
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