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August 8, 2010
Other one unit of graphic EQ. five bands. The basic difference with the other circuits is, that I use instead of IC, transistor and the power supply, go up in +/- 24V DC, ensuring low... [more]
August 8, 2010
The EQ-2 it is a circuit of graphic equalizer 6 band of regulation. Each band is regulated from the potesometers RV1-6, that are, for better optical indicate of regulations, Fader. This does not mean that... [more]
August 8, 2010
The circuit of graphic equalizer, allocates ten adjusting potesometer , that each one from them affects in a predetermined area of frequencies, the central frequency of which abstains a octave (double), from the central frequencies... [more]
August 8, 2010
In order to obtain a good audio reproduction at different listening levels, a different tone-controls setting should be necessary to suit the well known behavior of the human ear. In fact, the human ear sensitivity... [more]
circuit from:http://www.extremecircuits.net/2010/02/automatic-loudness-control-circuti.html
August 8, 2010
This circuit could be used for replacing your manual volume control in a stereo amplifier. In this circuit, push-to-on switch SW1 controls the forward (volume increase) operation of both channels while a similar switch SW2... [more]
circuit from:http://www.extremecircuits.net/2009/07/digital-volume-control.html
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
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]
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]
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]
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]
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