AUDIO CONTROL CIRCUITS Archive

2 100k potentiometer resistors and capacitors with a simple inexpensive quite well that works a tone control circuit bass and treble controls are doing RC low-pass filter the low-frequency bass..

Opamp and cmos integrated circuits based on sound level indicator audio spectrum analyzer circuit led bar display used 10 pieces for a little advanced version of the classic spectrum analyzer,..

5 piece kit consisting of the first half pretty simple and inexpensive radio circuit with a stylish casing made ​​of wood and plexiglass think should be reinforced with output amplifier..

A detailed project completed with filter and cabinet design, there are pcb cabinet calculations and other drawings for the circuit, an excel calculation table for the amplifier input, shared in..

The effect circuit is based on tl072 and tl071 opamp ICs. “rate, depth” settings can be adjusted. You can operate it with a 12 volt dc adapter. Total harmonic distortion:..

One very simple metronome circuit npn and pnp transistor and one capacitor potentiometer resistance buzzer can be connected to the audio output to speakers or headphones + 5v dc supply..

Princeton Technology Corp. The manufacturer’s pt series has many audio control ICs, I’ve seen it in sound systems made in China, a complete control circuit made with PT2389 Pt 2389..

VU Meter circuit has 2 versions of the LM3914 and made ​​with lm3915.. LM3914 Dot Bar Display Driver LM3914 is a monolithic integrated circuit that senses analog voltage levels and..

I sold a handy turning on the radio, considering that the radio circuit in terms of cost 1USD poor in terms of cost, but you do not have a lifetime..

Here is a distortion pedal, with noise-gate integrated setting and bass / medium / treble, operating on the sector. Personally I added a switch stop walking on food, a door..