Collaborative Tapped horn project - Page 187 - diyAudio
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Old 14th May 2008, 06:37 PM   #1861
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"Say I wonder if anybody has the patent on twisting the chains up like a rubber band on a toy airplane then letting go and spinning around and around and around and ohhh I feel sick..."

Seems like that has been covered in Thailand....something about baskets....tee hee hee...
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Old 14th May 2008, 07:22 PM   #1862
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Yorkville has a "Unity" line that's built under contract with Sound Physics Labs (Tom Danley's old company). I just noticed they have added the Unity UCS1 Subwoofer, which looks like a copy of Danley's TH115.

http://www.yorkville.com/products.as...&cat=38&id=317

Is this a "Tapped Horn?"
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Old 14th May 2008, 07:35 PM   #1863
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Default This is a conventional horn not a TAP nt.

nt.
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Old 14th May 2008, 08:52 PM   #1864
Naudio is offline Naudio  United Kingdom
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ok, as promised here are a few pics, will post the final few when its sanded down and painted with metal corners attached

can add some construction pics if anyone is interested, but i want to refrain from mega long posts as that may irritate people, so here is a few

Click the image to open in full size.
Click the image to open in full size.

Click the image to open in full size.

Click the image to open in full size.

Click the image to open in full size.
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Old 14th May 2008, 08:53 PM   #1865
Naudio is offline Naudio  United Kingdom
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wow they came out bigger that expected
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Old 14th May 2008, 09:24 PM   #1866
MaVo is offline MaVo  Germany
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well done, looks impressive

btw... the best position for one subwoofer concerning low frequency modal problems is the middle of one wall, doesnt matter which one. corner placement excites the most modes.
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Old 14th May 2008, 09:31 PM   #1867
Naudio is offline Naudio  United Kingdom
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funny thing is i built this in a bedroom, not a workshop, as im too young/poor to have a workshop

it is corner placed at the moment, i played different frequency's through the sub, and just like the old ones it has a peek at 40hz and a small dip at 60hz, i blame the room. lol

however the supposed distortion above 70hz that should be there doesn't seem to really notice, in fact 90hz doesn't sound louder than 30hz despite the fact that horn resp says its meant to be 6db louder

room blinds and peeks are alot more predominant in higher bass frequency's so thats prob the reason why
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Old 15th May 2008, 12:05 AM   #1868
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Naudio: Awesome, you finished it! How are you powering it? I would refrain from putting more than 300W into it really...

I made some youtube vids of mine, I'll see if find the link.
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Old 15th May 2008, 12:12 AM   #1869
AndrewT is online now AndrewT  Scotland
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105db/W/m and 300W is a lot of bedroom noise!!!!
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Old 15th May 2008, 12:13 AM   #1870
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send us the link MH !!!!!!!
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