Electronics Help Care Amplifier circuit diagram

This is the best audio equalizer circuit diagram for the amplifier. It’s a stereo bass tone circuit with a microphone. This circuit needs dual voltage, positive, negative, and ground voltage. 12-0-12 voltage. Every amplifier needs a pre-amplifier with a bass tone control. This circuit has bass, midrange, and treble.  This …

This is a pre-amplifier design circuit for an amplifier. This is a vintage circuit diagram for bass and tone control. We have to use  12 volts for the pre-amplifier section. It’s a mono circuit board. Every amplifier needs this type of pre-amplifier circuit to produce a quality full audio output. …

This is a Stereo passive tone control circuit for the amplifier. This circuit does not need any voltage to run because it has no pre-amplifier. This circuit has 3 adjustable volumes. One is the main volume for the bass and the treble. It’s a stereo Base tone controller. This circuit …

This is a vintage amplifier circuit diagram board. This circuit can make 150 watts + 150 watts. It’s a stereo audio amplifier circuit board. This circuit operates at a minimum of 25-0-25 V and a maximum of 45-0-45 V. Here, use 4 transistors: 2 transistors for the left channel and …

This is an amplifier circuit diagram using TDA7293 and TDA7294. This circuit can make 100+100 watts in stereo mode and 200 watts output in bridge mode. This circuit has a bridge mode pin. Here needs 25-0-25 voltage Ac voltage is needed. 25 volts 10 amperes. We can use both the …

This is a small amplifier circuit diagram. This circuit uses 2 transistors. 2sc5200 and 2sa1943 transistors are used in this circuit. This circuit can make 150 watts of output. We can use a 25-0-25 voltage up to 50-0-50 voltage and 5 amperes. It’s a mono circuit diagram. MJE350 and MJE340 …

This is a 2sc5200 and 2sa1943 transistor amplifier circuit diagram. Here, 8 transistors are used. 4 pairs of transistors, one pair of transistors can make 150 watts. A 4-pair transistor can make 4X150=600 watts. This circuit can make 600 watts. The maximum current is 15A. Safe continuous current is around …

This is an amplifier driver circuit diagram. It’s a driver circuit diagram. We can use 2 transistors in this circuit. Here, small driver transistors are used. For 4 transistors or more, we have to use another powerful driver transistor. Here, C2229 is used for the positive driver transistors. and A949 …

This is an audio equalizer circuit diagram for an amplifier. Every amplifier needs this type of circuit board. Here, we get 4 volumes for the main volume. one for the bass volume. one for the mid-range. another one for the treble volume. It’s a mono circuit diagram board. A stereo …

This is a 2000-watt voltage regulator. 220-volt regulators. Normally, we can not buy these types of voltage regulators. We can find only a fan regulator, but it’s a 2000-watt voltage regulator. We can use this type of regulator for a drill machine, a blender machine, a water heater, Etc.  This …