Electronics Help Care Amplifier circuit diagram Amplifier circuit using STK4152:
This is an amplifier circuit using stk4152 IC. This board can make 25w+25w. We can use 20-0-20 voltage to 35-0-35 voltage. It’s a stereo audio amplifier circuit board. We can use stk4141 to stk4191 using this same diagram. We know stk board can make a good sound.
Mini amplifier circuit diagram using 2SC5200 and 2SA1943:
This is a mini amplifier circuit diagram using 2SC5200 and 2SA1943 transistors. It’s a mono board. It’s a PNP and an NPN amplifier board. We can use any PNP and NPN transistors. like c5198 and a1941. 2SC2922 and 2SA1216. We can use 20-0-20 voltage to 50-0-50 voltage. positive, negative, and ground voltage.
stk amplifier circuit diagram stk401-110:
This is the stk 4191 amplifier circuit diagram stk401-110. here used stk 401-110 ic. This is 70+70 watts amplifier. So 70+70=140 Watts amplifier. For getting 140 watts, we have to use 150 watts transformer. If we use 25-0-25 volt so 25+25=50 volts. We know voltage X ampere= Watts. So, 50X3=150 Watts. For 50 volts,s we have to use 3 amperes. Or if we use 30-0-30 volts. Then 30+30=60 voltage. So 60X2.5= 150 Watts.
This is an stk4101. It’s run with 12-0-12 Ac. and dc 15-0-15 voltage. normally we can use a DC 12-0-12 voltage and 3 amperes. It’s a 6+6 watts amplifier circuit diagram. It’s a dual-channel amplifier circuit diagram. The right channel is 6 watts. And the Left channel is 6 watts. amplifier circuit diagram stk4101
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