microphone circuit with tone control

5 Watt Class-A Audio Amplifier Circuit diagram

This solid-state push-pull single-ended Class A circuit is designed to deliver sound quality comparable to valve amplifiers, providing an output power of 6.9W measured across an 8 Ohm loudspeaker cabinet load. It features reduced total harmonic distortion (THD), increased input...

HI-FI integrated amplifier TDA7294-01

Europe's leading SGS-THOMSON STMicroelectronics recently introduced a new hydrazine fos power integrated amplifier, the TDA7294, to the Chinese mainland. This amplifier has surpassed traditional linear integrated amplifiers and has been successfully released for Hi-Fi applications, such as home theaters and...

Amp with Tone Controls & Soft Switching

Amplifier with tone controls and soft switching. Notes: The soft switching is enabled by a BD131 transistor configured as a switch in an emitter follower arrangement. The collector is connected to a permanent load. The described amplifier circuit incorporates tone controls...

Audio Filter Analyzer

When this circuit is connected to a filter and an oscilloscope, the oscilloscope displays the filter's frequency response. A frequency that sweeps from low to high is applied to a filter. An oscilloscope is triggered by the start of the...

The second equalization circuit

In the second equalization circuit connection method, it operates as illustrated in Figure 1-96. When the potentiometer wiper is moved to the inverting input terminal "a", the resonance impedance of the parallel combination of the feedback resistor RB reaches its...

stk4038 bassed 60 watt audio

The STK4038-based 60-watt audio amplifier circuit project utilizes the STK4038X audio amplifier IC, designed to create a straightforward yet high-power and efficient audio power amplifier. Manufactured by Sanyo Corporation, this circuit delivers an output power of 60 watts with an...

2 watt Stereo audio amplifier

A general purpose audio power amplifier is a must have for the electronics amateur. It's not a good thing to use your HiFi set for an experiment, when there's a risk of blowing its transistor out. Amplifier for your experiments...

Mini Class A Audio Amplifier

The philosophy behind this minimalist design has been explained by Flavio Dellepiane on his highly interesting site. I have myself written an article about this fleapower amp from Italy in the American magazine AudioXpress. All relevant details are published there....

10w audio amplifier circuit

This circuit is simple and inexpensive, which is its primary advantage. Although the output power is not high, the audio quality is good due to the TDA1910's very low noise feature. This circuit is suitable for use as a student...