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Old 3rd December 2008, 10:14 PM   #631
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In use:

That's Marcus Miller and Eric Clapton's jazz band, Live at Montreux 1987 (a great album).

The Grandfather's old windup Edison, left. The Amp drives two Magnapan MG-1.6, signal conditioned by Bottlehead tube pre-amp ... Yes, I did straighten the picture after this was taken.
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Old 4th December 2008, 05:02 AM   #632
Bonsai is offline Bonsai  Taiwan
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Very nice FastEddy. Those Aussie amp modules sure look good I must say.

Tip: Use a big washer or better still for DIY a piece of PCB between your mosfets and the wing nuts or mounting screw. This will spread the force on the package and prevent die crack inside the package.

I know well of what I speak - you would never guess the number of customer complaints I've seen because of cracked power device due due to excessive mounting torque or lack of a spreader of some sort .
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Old 4th December 2008, 02:29 PM   #633
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" ... Use a big washer or better still for DIY a piece of PCB between your mosfets and the wing nuts or mounting screw. ..."

Now that's a good idea!! Thanks.
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Old 9th December 2008, 11:27 AM   #634
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Default MY Darlington transistor 300W Amp

This is Darlington transistor 300W amp original from a tukish book . But after few changing. it workes at 300w and power my subwoofer.
Have a look
http://img247.imageshack.us/img247/4...pyof113kv7.png
http://img247.imageshack.us/img247/4827/img0366my7.jpg
http://img110.imageshack.us/img110/7640/img0367qd5.jpg
http://img123.imageshack.us/img123/4397/img0368xa5.jpg
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Old 9th December 2008, 08:03 PM   #635
fotios is offline fotios  Greece
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Nice work rakesh_sharma23. You must continue the good work by making a good case for your project... or you can put the amplifier in a place inside the subwoofer.

Regs
Fotios
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Old 12th December 2008, 06:55 AM   #636
lineup is offline lineup  Sweden
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Roderstein KP1836
2000 Volt Polypropylene caps
... and one metalfilm resistor.
Blue - gray - black - gold. Think means 68 Ohm.

Foto by: lineup
Datum : 2008-12-12
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Old 12th December 2008, 07:35 AM   #637
lineup is offline lineup  Sweden
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Axial: Roderstein KP1832. 0.43uF 200V polypropylene

RIFA: PHE 351 HE 715 250V
I found a whole bunch of these 1.5uF caps at an old PCB.
They look quality. But I am not sure what they are.
The value of 1.5uF would be good for some amplifier input.

Match: Swedish Safety Match for making fire.
First invented in 1844 by one of our swedish inventors.
Quote:
Safety matches

Click the image to open in full size.
Household safety matches, including one burnt match

The safety match was invented in 1844 by the swedish Gustaf Erik Pasch (1788-1862) and was improved by Johan Edvard Lundström (1815-1888).
Johan Edvard and his younger brother Carl Frans Lundström (1823-1917) started a large scale match industry in Jönköping (Sweden) around 1847, but the improved safety match was not introduced until around 1850-55.
In 1858 their company produced around 12 million match boxes.
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Old 25th December 2008, 08:22 AM   #638
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Default Pfm Grand + Soar 1

Hi,


my very last realization...

Pfm Grand + Soar 1 ( db Lifter )



Best wishes


Rock
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Old 25th December 2008, 08:26 AM   #639
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Default Pfm Grand + Soar 1

Hi,

a new pic



Rock
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Old 25th December 2008, 09:43 AM   #640
lineup is offline lineup  Sweden
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A work of art. Beautiful, ROCKMANDRAKE!
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