AUDIO CONTROL CIRCUITS Archive

Less material and a simple circuit schematic and PCB drawing simple pictures of the materials used are used for feeding the 9 volt battery in the unfoldment also added links..

Preamplifier 10 to six channels for SACD and Home Cinema The preamplifier to six lanes that we present is intended to pilot a HI-FI to five or six channels. You..

Electronic audio circuits archive, but actually different circuits have tried most of the tests are complete concentration on the audio circuit schematic and PCB Excludes all specified drawings prepared by..

Of a power amp bass amp filter circuit can be used in different times, in addition + – 60 + symmetrical voltage – 15 volts regulator circuit for limiting transistor..

The circuit is based on the TL072 Op Amp and its output is powered by the bc338 and bc328 transistors. A simple and low cost circuit supply voltage +- 15..

The speaker protection circuit prevents the speaker from burning as a result of DC voltage output as a result of any malfunction in the amplifier circuit, it also connects the..

The circuit is fed with 9 volt batteries based on 2 tl072 op-amps. If desired, it can be used with a 15 volt DC Adapter on the DC rectification and..

A multi-purpose control circuit Low pass, High pass, Filter stages between 30..200khz Parametric equalizer stage There are frequency, level, boost controls, and there is also an electronic switch circuit that..

Headphones are not connected to the amplifier audio outputs, loud sound damages the headphones. A two-channel circuit designed to connect headphones to the high outputs, in addition to the circuit..

Voice Recording Circuit HK828 and LM358 based on the supply voltage 9-14 volt DC Microphone with 45 seconds voice recording can be done recording the sound level rises to the..