Wednesday, April 10, 2013
140W audio amplifier with IC STK070
By using the above amplifier circuit you can hear the sound quality is quite good by a high output power. Maximum voltage circuit pa approximately 55Volt DC. 70-140W output power with impedance 8Ohm.Part ListR1 = 10KR2 = 1KR3 = 0.4RR4 = 0.4RR5 = 4.7RC1 = 0.015C2 = 10uFC3 = 220uFC4 = 0.15uFC5 = 220uFC6 = 47uFC7 = 0.047uFU1 = STK050 , STK070
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