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Old 14th August 2011, 05:03 PM   #101
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And the link
Self adhesive copper tape 5mm x 33m roll | eBay
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Old 15th August 2011, 07:47 AM   #102
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As copper is a lot heavier than aluminium, I would cut the 5 mm tape in half using scissors this would significantly increase the sensitivity. Using the thinnest membrane material would help as well.
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Old 18th August 2011, 08:06 PM   #103
kach22i is offline kach22i  United States
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Henry, you have been a busy boy, where do you find the energy?

Inspiring.
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Old 19th August 2011, 10:41 AM   #104
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Default more rebuilds and redesigns.

A few more pictures of my latest rebuilds and redesigns.
Attached Images
File Type: jpg SAM_0001.JPG (685.7 KB, 582 views)
File Type: jpg SAM_0002.JPG (699.4 KB, 538 views)
File Type: jpg SAM_0003.JPG (644.1 KB, 512 views)
File Type: jpg SAM_0004.JPG (710.5 KB, 478 views)
File Type: jpg SAM_0005.JPG (604.1 KB, 462 views)
File Type: jpg SAM_0006.JPG (817.9 KB, 111 views)
File Type: jpg SAM_0010.JPG (708.3 KB, 112 views)
File Type: jpg SAM_0012.JPG (856.9 KB, 136 views)
File Type: jpg SAM_0017.JPG (863.9 KB, 128 views)
File Type: jpg SAM_0019.JPG (723.5 KB, 124 views)
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Old 19th August 2011, 10:52 AM   #105
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Default more pictures.

Continuation of the rebuilds redesigns etc. The ones hanging under the blue ones sound much better than the red ones the suspension in the air helps!
Attached Images
File Type: jpg SAM_0021.JPG (792.4 KB, 111 views)
File Type: jpg SAM_0022.JPG (608.2 KB, 70 views)
File Type: jpg SAM_0023.JPG (871.3 KB, 69 views)
File Type: jpg SAM_0024.JPG (647.7 KB, 105 views)
File Type: jpg SAM_0025.JPG (885.1 KB, 124 views)
File Type: jpg SAM_0015.JPG (734.1 KB, 88 views)
File Type: jpg SAM_0016.JPG (748.5 KB, 102 views)
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Old 19th August 2011, 11:01 AM   #106
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Listening to the finished planar gives me all the energy I need, keeps my mind active,and I have been into DIY HIFI for over 50 years, and I still enjoy it!!
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Old 19th August 2011, 04:48 PM   #107
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Default canvas print picture frame

These can be used to cover my 60 x 40 mm 5 kilo full range planars and disguise them as pictures. This is a photo of my grandson who repairs and sorts out PC's and Laptops for a hobby.
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File Type: jpg SAM_0026.JPG (936.4 KB, 148 views)
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Old 19th August 2011, 06:36 PM   #108
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So James, have you ever attempted to make headphone drivers with a planar magnetic design? They are smaller so they they are much easier to carry around. Also much harder to see though... How are your eyes?

I think planer magnetic headphones would be a good project to start with because the cost is much lower for magnets. Perhaps I will source some magnets and give it a shot myself. No doubt I will lack the experience that you have though.

My ultimate goal is for every piece of my equipment to be hand made by me. Just the feeling of pride one gets when they crank up an amp they have made is priceless. I have been on a building kick here lately. I have built several designs of headphone amp. Now, I need to work on the actual headphones.

BTW, I watched the video of some of your speakers on youtube. One can tell, even from the compressed youtube audio, that these speakers are amazing! I fantasize about having a small pair on my head...

Excellent work James. I am in awe.
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Old 20th August 2011, 11:10 AM   #109
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Thank you Rembrant, for those kind words. I have never thought of making full range planar headphones.All my magnets are too large, although I have some 25 x 5 x1.5 mm neos about 42 of them. I think these were the first neos I bought many years ago.i suppose I could have a go! Although when you have 11 60 x 40 full range planars all round the room, it is almost like wearing headphones anyway.
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Old 20th August 2011, 01:33 PM   #110
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Default baby grand

Thinking about building baby grand piano shape using neos with 3 separate diaphragms. Would probably need a 3 part crossover to keep the sound boards separate, anybody have any thoughts on the crossover? Although I don't know where I can put it, as it is a bit crowded. I suppose I could put it on the wall. A vertical piano!!! I must be going senile. At least I would only need one as pianos are not in stereo.
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