FS: Nap140(Ncc200 clone) boards, upgraded components. Fitted to heatsink. Plus extras - diyAudio
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Old 19th September 2011, 05:09 PM   #1
cobo is offline cobo  Scotland
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Join Date: Sep 2010
Default FS: Nap140(Ncc200 clone) boards, upgraded components. Fitted to heatsink. Plus extras

FS: Nap140(Ncc200 clone) boards, upgraded components. Fitted to heatsink. Plus extras.

Original transistors. Everything else replaced.

  • Nichicon KZ caps added bypassed with Wima 0.1uf.
  • Vishay 0.1% 25 ppm precision resistors in signal path.
  • Ceramics replaced with LCR Polystyrene and Silver Mica
  • Oscons and 47uF wet tantalum fitted.
  • Power resistors changed for better quality metal film.
  • Emmiter resistors changed to 7w wire wound. Fitted under board.
  • 15ohm resistor and inductor fitted at output.
  • Seperate 0v point added for zoble.
Have been using these as my main amp since December 2010. Upgrading to Hackernap so thought someone else could get the use of them. I used them with a 2x 0 - 27v transformer with dual rectifiers. Obviously the will need to be re-biased for whatever your set up will be. I'll include as much paperwork and schematics as I can from original build.

Click the image to open in full size.

I'll also include the following.

  • DIYHiFi.net speaker protection board, plus the 24v transformer for it.
  • Hand etched power supply boards as pictured above. (Minus the large smoothing caps and PCB tabs which have been removed for use on another amp.)
  • 4x35Amp 600v Motorola bridge rectifiers.
  • Bullet connectors for Nap140
  • 4 spare 0r22 emmiter resistors.
Click the image to open in full size.

Click the image to open in full size.

Click the image to open in full size.

Click the image to open in full size.

Click the image to open in full size.

I'm drowning in electronics here. So time for a clearout.

I reckon 55 delivered in the UK is a fair price for the built boards and extras. Paypal accepted. PM me if you're interested.

Col.
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Old 20th September 2011, 11:39 AM   #2
cobo is offline cobo  Scotland
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Join Date: Sep 2010
Reduced to 45.

Col.
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Old 20th September 2011, 11:33 PM   #3
cobo is offline cobo  Scotland
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Join Date: Sep 2010
Now Sold.
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