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Old 22nd September 2012, 01:23 PM   #201
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NICE LOOKING
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Old 22nd September 2012, 01:35 PM   #202
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Have just finished another 60 x 40 cm 5 kilo using neos 50 x 12.7 x 3 mm magnets using 180 magnets on each one. Another 7 to go of this design. all hanging up in the living room. Full home cinema layout. I am getting organized at last. This will hopefully be my last rebuilding, I hope. Will finish my 2 headphone designs soon, and will probably make an electronic piano design using 3 diaphragms, which means I will have to buy more magnets from China. As I've said before it keeps my brain working and helps me pass the time usefully. Important at my age.
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Old 22nd September 2012, 05:39 PM   #203
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Quote:
Originally Posted by JAMESBOS View Post
Have just finished another 60 x 40 cm 5 kilo using neos 50 x 12.7 x 3 mm magnets using 180 magnets on each one. Another 7 to go of this design. all hanging up in the living room. Full home cinema layout. I am getting organized at last. This will hopefully be my last rebuilding, I hope. Will finish my 2 headphone designs soon, and will probably make an electronic piano design using 3 diaphragms, which means I will have to buy more magnets from China. As I've said before it keeps my brain working and helps me pass the time usefully. Important at my age.

Tell us more about the electronic piano system. Sounds interesting...

Greg
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Old 22nd September 2012, 11:15 PM   #204
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Another person brought up this idea, and it got me interested, as a piano is mono ,I was interested in building it . Using 3 diaphragms for the bass, middle and top, using an electronic crossover. I bought one so I can build it. It should sound good, piano music is beautiful and is very difficult to produce using speakers or so they say. I will have to get some more magnets, Neos or Ferrites, not decided which yet.
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Old 22nd September 2012, 11:20 PM   #205
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I am rebuilding my 60 x 40 cm speakers at the moment so will not be doing the piano ones yet. I have also to finish my planar headphones, as I have finalized the 2 different designs at the moment, well the layout anyway. Just need to be in the mood.
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Old 2nd October 2012, 08:19 AM   #206
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Won't be doing anymore rebuilds at the moment as I have pulled a muscle in my chest at the back, in bed!! It is very painful when I bend over or stretch.
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Old 2nd October 2012, 04:36 PM   #207
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See your doctor soon. It could be a heart problem.
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Old 6th October 2012, 10:47 AM   #208
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Have finished my latest blue rebuild, only 3 more to do, then will probably finish my 2 planar headphone designs, still a few more rebuilds to do, not many tho'. Then I will probably get some more neo magnets. So I can build a piano based full range planar using electronic crossover.
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Old 6th October 2012, 11:06 AM   #209
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Hey JamesBos.

I have received my magnets and wanted to start by making a small tweeter.

Aluminium Tape = The Masking Shop - Aluminium Foil Tape

Mylar = 6uM = Still looking for a supplier in Aus (is 6uM good for tweeters)

Perf Steel = Still looking again for suppliers in Aus.... What would be your recommendations for the perf steel spec (eg... hole size/spacing/steel thickness)

Cheers and I hope you have finally finished all your rebuilds

Dean.

PS. I have read through the thread but may have missed a few of these answers.
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Old 6th October 2012, 11:23 AM   #210
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If anybody has any advice or links feel free to jump in...

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Dean
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