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19th June 2008, 07:22 AM
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#1 |
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diyAudio Member
Join Date: Nov 2005
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Need a schematic for a 400w Amp
Hallo @all!
I need a schematic for a 400W amp (@4 Ohm). Primary for "HIFI" use. With MJL21193 and 21194 for the output stage. I hope anyone can help me! 
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19th June 2008, 11:06 AM
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#2 |
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diyAudio Member
Join Date: Feb 2001
Location: USA
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Still one of my favorite amplifiers:
http://users.ece.gatech.edu/~mleach/lowtim/ Just use five pair of the MJL21193/94 instead of the two pair of MJ15003/04, and change R13, R14 from 2K2 to 3K9 1W. Suggested transformer would be 50-0-50 at 600VA to 800VA per channel, or a single 1.5KVA. A soft start circuit should be used.
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