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Old 31st December 2011, 03:45 PM   #2171
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Default New Year and New sound

2012 Happy New Year!

This is my new work. CFP output stage power amplifier module.
Photo of the AMP32 output stage is Toshiba 2SC5200/2SA1943
The driver stage is Toshiba 2SC5171/A1930
VAS chip is LME49830

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Old 31st December 2011, 04:16 PM   #2172
kees52 is offline kees52  Netherlands
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Originally Posted by monkey29 View Post
2012 Happy New Year!

This is my new work.
beautifull pcb!! it has to be said.

best wishes for 2012
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Old 31st December 2011, 04:19 PM   #2173
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Thanks, best wishes for 2012
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Old 31st December 2011, 06:14 PM   #2174
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Smile Happy New Year 2012

This is my new soft start module, suits any amp's utility needs.

I wish you guys happy and prosperous DIY year.

Click the image to open in full size.

Last edited by Lazy Cat; 31st December 2011 at 06:17 PM.
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Old 31st December 2011, 06:57 PM   #2175
jleaman is offline jleaman  Belgium
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Quote:
Originally Posted by monkey29 View Post
2012 Happy New Year!

This is my new work. CFP output stage power amplifier module.
Photo of the AMP32 output stage is Toshiba 2SC5200/2SA1943
The driver stage is Toshiba 2SC5171/A1930
VAS chip is LME49830
more details ? More pics ?

Power output ? psu requirements ?
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Old 1st January 2012, 11:36 AM   #2176
masood is offline masood  India
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dear,
that,s wonderful neat and clean circuit.thanking you, yours ever masood
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Old 1st January 2012, 03:05 PM   #2177
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AMP32 that more details and More pics ... Upload later ...
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Old 3rd January 2012, 03:36 PM   #2178
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Progress on the hifi cabinet. The face frame is on, I made the door, and the first coat of finish has been applied. I have to trim the door some more for the hinges. The wood is birch and pine. The rack mount below is for solid state amps and a crossover.
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Old 3rd January 2012, 09:30 PM   #2179
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Default Do not forget you should prepare holes for cooling

Openings for air flow in the back of the cabinet is not enough, unless you will have a very small power devices inside or they can cool themselves using fan blowers internally to their metallic enclosures.

hot air goes up as you know, and this sucks fresh air from below the equipment... to allow low resistance to convection cooling, you should have openings up and down the enclosure...or at least, holes below.

That small clearance we have below our equipment case is not enough...unless your unitary consumption is lower than 20 watts

regards

Carlos
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Last edited by destroyer X; 3rd January 2012 at 09:44 PM.
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Old 4th January 2012, 04:13 PM   #2180
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Quote:
Originally Posted by destroyer X View Post
Openings for air flow in the back of the cabinet is not enough, unless you will have a very small power devices inside or they can cool themselves using fan blowers internally to their metallic enclosures.

hot air goes up as you know, and this sucks fresh air from below the equipment... to allow low resistance to convection cooling, you should have openings up and down the enclosure...or at least, holes below.

That small clearance we have below our equipment case is not enough...unless your unitary consumption is lower than 20 watts

regards

Carlos
Thanks for your concern. I doubt it's going to be a problem. I just have low power amps in there. They barely get warm.
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