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This amplifier circuit has a pretty good quality. Of course the sound quality, although this one amplifier does not have a large output power but in terms of soft and loud voice that this amplifier can be unreliable. With a single IC capitalize MPC576H and several other supporting components you have to make this amplifier circuit. Voltage at least 9 Volt and 24 Volt Max. Output Power 3.5 Watts with 8 Ohm impedance. Good Quality Sound Amplifier Circuit

Spesification of this amplifier is high enough , and require a lot of expense to make this super-power amplifier. In the transformer using 20A and manufactered / branded ERA , ERA trafo is one of the best transformer , in addition to the power amplifier as well as power supply adapter , regulator , stabilizer , charger , etc. Because copper is intact , a strong iron and did not issue a frequency so that when the amplifier is turned on , output sound amplifier no buzzing. So if you in choosing a transformer , do not hesitate to use the transformer branded ERA.   Above and below the picture is the end of the amplifier circuit, so-called booster amplifier. Picture above using 14 pairs of transistor MJ15025G and his partner MJ15024G . Transistor price range of $5 - $6 , has power output of 250W on each transistor , for more details , see datasheet of each transistor. Click to view larger Installed transistor with resistor but still a mess Transistors MJ5025G and MJ15024G very fith with...

Description Some lovers of High Fidelity headphone listening prefer the use of battery powered headphone amplifiers, not only for portable units but also for home “table” applications. This design is intended to fulfill their needs. An improved output driving capability is gained by making this a push-pull Class-B arrangement. Output power can reach 100mW RMS into a 16 Ohm load at 6V supply with low standing and mean current consumption, allowing long battery duration. Circuit Diagram Parts P1 = 22K Potentiometer R1 = 15K Resistor R2 = 100K Resistor R3 = 100K Resistor R4 = 47K Resistor R5 = 470R Resistor R6 = 500R Resistor R7 = 1K Resistor R8 = 18K Resistor R9 = 18K Resistor R10 = 2.2R Resistor R11 = 2.2R Resistor R12 = 33R Resistor R13 = 4.7K Resistor C1 = 10uF-25V Capacitors C2 = 10uF-25V Capacitors C3 = 100nF-63V (PF) C4 = 220uF-25V Capacitors C5 = 100nF-63V (PF) C6 = 220uF-25V Capacitors Q1 = BC560C PNP Transistor Q2 = BC560C PNP Transistor Q3 = BC550C NPN Transistor Q4 = BC550C N...