The following diagram is the circuit diagram of 20W power amplifier which build based tube component EL34. EL34 is very famous tube and great for power tube amplifier. The circuit above is complete circuit contains tube […]
Category: Linear Amplifier
35W Power Audio Amplifier based LM391
Here the 35W power audio amplifier circuit based on LM391. Inductor L1 is constituted by 20 coils of wire, with thickness 0.9mm, round resistor R16. The transistors Q3-4 are the final amplification section, it should be […]
12W Audio Amplifier based MOSFET 2SK135 / 2SJ50
This is a small 12W audio amplifier over a load of 8 Ω, that combining the NE5534 integrated with a pair of V-MOSFET transistor output stage technology as we get excellent sound performance. MOSFET 2SK135 / 2SJ50 […]
200W Power Amplifier Using Transistor
This is a 200W power amplifier circuit project. The circuit features high power, good definition and very low noise. It delivers about 200 watts in 4 ohms loudspeaker: a 4 ohm speaker or two pieces of […]
120W Power Amplifier + Power Supply
This is 120W power amplifier schematic using TO-3 package complementary transistors, NPN and PNP polarity. The well-known power transistor pair of 2N3055 and MJ2955 used in this circuit. +/- 50V symmetrical (split/dual polarity) power supply with […]
2 x 5W Stereo Audio Amplifier based TA7227 + Tone Control
The following circuit is a 5W stereo audio amplifier, built based on single amplifier IC TA7227. The TA7227 can be used for dual mode (stereo amp) and single mode (bridge connection/mono amp). This IC type featured […]
4W Bridge Amplifier using LM388
Parts List: R1-2-4-5=270? R3 = 2.7? VR1 = 10K? Log. Pot. TR1 = 470K? Trimmer IC1-2 = LM388 C1 = 100uF/25V C2 = 100nF C3 = 10uF/25V C4-5 = 22uF/25V C6 = 47nF
500W RMS Power Amplifier Based MOSFET
This is 500W RMS power amplifier circuit design, build based on MOSFET. The circuit is very popular in EE audio hobbyist as “LEGEND stage Master MK2”. It is a very good and powerful amplifier. It uses […]
140W Power Amplifier with STA5100
This is a mono power amplifier circuit powered with single Amplifier chip STA5100. The chip will deliver single power output at 140 watt. For stereo application, just build two identical circuit and then doubled the power […]
10W Audio Amplifier with TDA1910
Below circuit design is a simple Hi-Fi 10W audio amplifier circuit based on TDA1910. This circuit will deliver 10W power output if used 8 ohm loudspeaker and powered with 24V DC supply. This circuit can be […]