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Old 14th May 2008, 09:44 AM   #1
mosfet1 is offline mosfet1  Italy
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Default first watt f4 help me!!!!

hi there! I wanna bild a f4 power amp, but i have a doubt: what's "Q11" also writed "V" in the schematic diagram? Excuse me but I'm a novice in pass diy

thanks a lot
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Old 14th May 2008, 11:48 AM   #2
tms0425 is offline tms0425  United States
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Location: Ft. Wayne, IN
Q11 is a TL431 3-terminal adjustable shunt regulator - TI, Fairchild, Motorola, others
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Old 18th May 2008, 06:44 AM   #3
mosfet1 is offline mosfet1  Italy
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Thank you for your info, now it's all clear!!!!
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