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How to build Stereo Preamplifier with adjustment tone

2015-01-01 20:23  
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Description

Many times we needed to use a simple circuit of preamplifier, with few components and facility of made. This circuit use a opamp. the Motorola, TCA5550, that contains a double amplifier, as outputs for the adjust of volume, balance, treble and bass. These adjustment of all parameters become from a line monophonic linear potesometers, increasing by far the facility of manufacture. The placement these potesometers should become as much as possible, more near in IC1, so that is minimised the noise. The circuit does not require big current in order to it work.

Circuit diagram

Circuit diagram

Part List

R1-2-3-4=100 KohmsRV1-2-3-4=100 Kohms Linear pot.C1-2-8-9=4.7uF 63VC3-4=100nF 100V MKTC5-14=100uF 40VC6-7=47nF 100V MKTC10-11-12-13=220nF 100V MKTC15-16=10uF 63VIC1=TCA5500 Motorola







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