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Audio circuit diagrams

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Paraphase Tone Controller
Paraphase Tone Controller
August 8, 2010

This unique property makes the ‘paraphase’ configuration of interest if only treble or bass needs to be adjusted - it is not possible to adjust both at the same time! Essentially, it’s the difference in... [more]


circuit from:http://www.extremecircuits.net/2010/05/paraphase-tone-controller.html

Loudspeaker Protection with Soft Start
Loudspeaker Protection with Soft Start
August 8, 2010

This is a small protection circuit from loudspeakers, from DC voltage that likely to exist after some damage in the power amplifier. [more]

DC Protection / Time Delay for Loudspeaker
DC Protection / Time Delay for Loudspeaker
August 8, 2010

The particular circuit combines enough operations, as: [ 1 ] Smooth departure of benefit of AC line of network, with delay 1sec, to the transformers of power supply of amplifier, via the RL1 and the... [more]

Loudspeaker Protection 2 for P.A output
Loudspeaker Protection 2 for P.A output
August 8, 2010

The circuit protection output of power amplifiers and loudspeakers, dispose certain interesting elements, as the isolation of loudspeakers from the exit of amplifier, when is presented continuous voltage in his exit or when the temperature... [more]

Audio Peak Indicator
Audio Peak Indicator
August 8, 2010

A peak level indicator when a signal exceeds a certain maximum value. It can be quite useful, for instance, with tape recorders, mixing consoles etc. One of the most important requirements of a peak level... [more]

VU Meter 1
VU Meter 1
August 8, 2010

It is a simple circuit of optical index of level of sound signals, adapted in various needs of user. [more]

VU Meter 2
VU Meter 2
August 8, 2010

A circuit of measurement of level based on a typical application of National. [more]

VU Meter 3
VU Meter 3
August 8, 2010

A very simple circuit of indication of level, with 10 Led. Is used the circuit of half-wave rectification of precision round the IC2, with gain one. With switch S1, we can select the indication of... [more]

VU Meter 4
VU Meter 4
August 8, 2010

The circuit is placed parallel with the exit of power amplifier and us gives the level of signal ,from output. Changing resistance R1, in the input circuit, we adapt the indication of power, in the... [more]

Mini Audio Analyzer
Mini Audio Analyzer
August 8, 2010

This analyst is, a sensitive instrument, in the frequency changes and width of a acoustic signal. Thus the brightness of LED that turns on each moment of is proportional signal width, while the colour of... [more]



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