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Audio loudness control

See Other projects in : Amplifiers • Mini Projects • Simple Circuits
And: Mini project, Tone control
Posted by
admin - September 16, 2010 at 10:05 pm

If your main amplifiers. But the sound is not clear as low treble and little
bass. We offer an easy way. Using less equipment. You create a very simple

Audio loudness control circuit used to add bass. More during the normal
listening levels.
It is a passive circuit and do not use the power supply.
When the input signal into. Switch S1 is an option to use open (ON) using
loudness control. Off (OFF) to use a bypass. When the switch S1 to the ON
position the signal will flow through C1(0.001uF), C2(0.01uF) and R1(2K). This
will serve as a low pass filter circuit.VR1 is adjusted by the strength of the
signal to the output.VR1-100K Linear Potentiometer, which uses the volume type
with a central bar (Center Tap) only. The output of the circuit will be
connected to the region to pre-tone next step.

Note: All capacitors use Ceramic Capacitor or Mylar Capacitor them low cost

How to build
This circuit has a few components so you can
builds easily as Figure 2 make PCB layout and putting all components on PCB and
connecting to your audio system.

Figure
2 The PCB and components layout of this projects.

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