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New office hi-fi |
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ceharden 
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Joined: 05 June 2005 Location: Southampton Status: Offline Points: 11776 |
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 Topic: New office hi-fiPosted: 01 March 2020 at 2:08pm |
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 Design isn't entirely new, I built the original prototype with the drivers in a single column probably 10yrs ago but only just got round to doing the 'real' ones. New driver layout to make them 'bookshelf' speakers! Edited by ceharden - 01 March 2020 at 2:11pm |
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Digbethdave
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Posted: 01 March 2020 at 3:39pm |
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NICE
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APC321
Young Croc 
Joined: 24 August 2013 Location: West Midlands Status: Offline Points: 684 |
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Posted: 01 March 2020 at 4:15pm |
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What are the soft dome mid-range drivers?
ATC or something else? |
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concept-10
Young Croc
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Posted: 01 March 2020 at 4:38pm |
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Very cool
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APW
Young Croc
Joined: 13 November 2012 Location: Kent, UK Status: Offline Points: 1174 |
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Posted: 01 March 2020 at 4:58pm |
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Beyma MC115?
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ceharden
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Posted: 01 March 2020 at 5:21pm |
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Correct. Monacor 8" and Morel tweeter.
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VECTORDJ
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Posted: 01 March 2020 at 11:24pm |
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Crossover design ?
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Elliot Thompson
Old Croc 
Joined: 02 April 2004 Location: United States Status: Offline Points: 5175 |
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Posted: 01 March 2020 at 11:57pm |
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The wood finish looks exactly like speakers that were designed in the late 1970's  Best Regards, |
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Elliot Thompson
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ceharden
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Posted: 02 March 2020 at 12:51am |
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What you can't see is that in this room I have those speakers, the shelves they're sat on, the desk I sit at below them, my guitar cab and it's amp rack and another little pair of 5" hi-fi speakers, all finished the same. Birch ply, stained then Danish Oiled. My 'main' hi-fi downstairs and it's amp rack is also birch ply, stained a similar colour but varnished instead. I discovered later that Danish Oil is easier than varnishing! |
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ceharden
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Posted: 02 March 2020 at 12:55am |
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I cheated, it's using the 3-way passive crossover design Beyma did for the MC115. They'd intended it for a different 8" and dome tweeter but it's close enough and still works fine. The midrange is the trickiest bit as you can't get away from doing impedance compensation on it, which Beyma have included in the design. The original prototypes were 2-way active with just a passive on the mid-high but decided long ago to simplify the amplifier requirements. |
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VECTORDJ
Young Croc
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Posted: 02 March 2020 at 9:57pm |
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A+
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BP1Fanatic
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Posted: 10 March 2020 at 6:40pm |
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Nice setup!
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APC321 wrote: