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Old 2nd July 2006, 09:45 AM   #71
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Old 2nd July 2006, 09:46 AM   #72
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Old 2nd July 2006, 09:48 AM   #73
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Old 2nd July 2006, 09:50 AM   #74
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Old 2nd July 2006, 09:52 AM   #75
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Old 3rd July 2006, 08:09 PM   #76
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Quote:
Nice looking design, if you took those two aluminum profiles, stacked them end to end, and offset them by 12.25 it would be the profile of the patronis towers...
Humm... in a way, the source was kinda an architectual inspiration - a quadrifolio frame:http://employees.oneonta.edu/farbera..._Sacrifice.jpg

anyway, since there's some solid state showing up here I thought I'd display my homebrew bridged p3a's >Thanks Mr Elliot<
Elliott Sound Products http://www.sound.westhost.com/

The boards are built around chunky 10uF polycarb input caps. With 37 volt rails ~300 watts per side -err- massive overkill for biamping with my lm3875's
-Mal
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Old 9th July 2006, 11:43 PM   #77
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Here is my ugly 4 channel (bi amp + crossover) lm3875 amp with the external PSU.

I only need 2-3 watts so 200 va total seem to be enough.
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Old 27th July 2006, 05:42 AM   #78
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malotron thats a beauty! are those home made heatsinks from blocks and long bits compressed together with a bolt? well done!!!!

I had an idea for a small amp embedded with routed wiring etc in a pice of machined aluminium and very flat and small.

you made the big version
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Old 28th July 2006, 10:51 AM   #79
raindog is offline raindog  Romania
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Default my amp

here is some ( very low quality ) pics of my amp and description:
LM3886 based
Case is from an old 386 TARGA computer.
Plywood front ( varnished and laquered ).
Speaker connectors came from an old analogue multimeter ( they are made out of bronze , i think).
PSU is made with an 250 watts toroid ( mounted in a computer psu case as you can see) 6 amps diodes for the rectifier and 6800uF/63 volts caps.
The pcb is my own design and i made them myself
Heatsinks are made out of a long piece aluminium i found in friends garage ( he didn't know what is was from but he was glad to get ridd of it) .
The amp has been up and running for about two months now and it works very well, no humm or noise even with the volume from the preamp (also diy) at max and my ear stuck to a speaker.
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Old 28th July 2006, 10:52 AM   #80
raindog is offline raindog  Romania
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