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Old 19th January 2005, 03:53 AM   #1
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Default My first amp!!

This is my first working amplifier!!
Please comment!
Sorry for the bad photo!
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Old 19th January 2005, 07:16 AM   #2
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hi aleopeldd

what schematic did you use ?
did you design the pcb layout ?


ferds
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Old 19th January 2005, 11:18 AM   #3
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Nice board Well done Is it a mosfet or bipolar amp ?
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Old 20th January 2005, 08:11 AM   #4
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It's an amp based on IRFP240/9240 mosfet, it push out about 500w rms on 2ohm per channel!
I and one my friend have designed the circuit and i have designed the layout, all the work was done by hand, no pc layout!
It sound very good without noise and bump, the s/n is over 120db!

For the PSU i use one 625va trasformer for each channel with 20.000uF for +vcc and the same for -vee, 80.000uF in total.
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Old 20th January 2005, 04:37 PM   #5
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Nice work. Mind to post the schematic?
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