Connecting two TDA2030 thru cheap power transistors we can create a amplifier wich can deliver a higher power. With the components value from the schematic the total amplifier gain is 32 dB. The speaker can be 2 ohm instead of 4 ohm if we use the TIP transistors. With a proper designed power supply this audio amplifier can output 200W.
Active components:
IC1, Ic2 TDA 2030
T1, T3 = BD 250, TIP 36
T2,T4 = BD 249, TIP 35
D1 … D4 = 1N4001
source:http://mycaramplifiers.com/200-watts-amplifier-tda2030-8.html
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