Portable Sound level meter

12 years ago

These Sound level meter devices can directly determine the power delivered by the amplifier to the cabinet or Loudspeaker. Operated…

90 W audio power amplifier based on transistor

12 years ago

Using only four transistors in the quasi-complementary amplifier configuration, this transistor power amplifier circuit can deliver 90W of power into 4…

50W amplifier based LM3886TF

12 years ago

This 50W amplifier circuit is designed for quad power stage on computers equipped with sound cards MonsterSound Diamond MX300. With…

Quad amplifier 40W

12 years ago

This circuit provides a total of four speakers 4 ohms and 40W at 12v powered. It is therefore ideal for use in the car. Total harmonic distortion is rather high, about 10% at full power. But with half the power requirements (20W) is less than…

30W, 4 channel car amplifier

12 years ago

This 4 channel car amplifier comprises only with a single TDA7386 integrated circuit and a few additional components, four independent…

10W Amplifier for portable cd players

12 years ago

This 10W Amplifier is ideal to drive medium size speakers and use it for a portable CD player or mp3…

50 watt Mosfet amplifier

12 years ago

The first stage of the 50 watt Mosfet amplifier is a differential amplifier based on transistors Q1 and Q2. Capacitor…

Hi Fi headset Amplifier based LM 4880

12 years ago

Description of electronic assembly : LM4880 is a dual audio HiFi amplifier IC from National Semiconductor. This headphone amplifier circuit is specifically designed to produce high quality audio output with a minimum amount of components. LM4880 integrated circuit capable of delivering 250mW per channel into 8 ohm load. (more…)

40W audio amplifier based on TDA1514

12 years ago

Many electronic audio amplifier circuit has been published here. This time, we use the TDA 1514 high performance hi-fi amplifier…

15 w class B audio amplifier

12 years ago

Below is a circuit diagram of class B 15 Watts audio amplifier is designed using a dual op-amp and transistor.…