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Freebeer 17th January 2004 11:59 PM

Help!!
 
I know this probably sounds very lame but I have no idea where to start as I embark on this project. I searched for the word “beginner” in the forum but even what that turned up was a little too advanced for me. Please can anyone help me with at least a starting place to go from? All I’d like to start with is an amp to take a headphone output and power a pair of cheap speakers (Specs below).
Any help would be much appreciated.
Many Thanks.

Long Term Power 50w
Short Term Power 90w
Frequency Range 84Hz – 20 KHz
Impedance ohms

MikeW 18th January 2004 03:25 PM

Project 3a from Rod Elliott is a good amp. He also has an new MOSFET amp that would work well.:smash:

skyraider 19th January 2004 04:02 PM

I trust that gainclone is the perfect project for very ambitious beginer. it has very low parts, cheap, and the chip is idiot-proof meaning: it takes a nuclear wrhead to destroy it.
Go to national semiconductor and download application notes on LM3875, most of everything you need you can find it there.

Freebeer 23rd January 2004 12:30 AM

Thanks for you help guys I'll Keep You posted on how I get on.
Thanks again.


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