Low-pass filter circuit diagram subwoofer

Many subwoofer low-pass filter circuit , this is just another. Circuit given here are based on discharge from ST Microelectronics shipped TL062. TL062 is a dual high input impedance J - FET operational amplifier with very low power

consumption and high slew rate. Operational amplifier with excellent audio features, this track is very suitable. Inside two TLC062 operational amplifier, the first one is wired as a mixer and preamplifier stage. Left and right channel is connected to the inverting input IC1a mixing. The first stage of the gain can be adjusted using the output of the first stage is pot R3.The network through the filter assembly R5, R6, R7, R8, C4 and C5 is connected to the input of the second stage. The second operational amplifier (IC1B) as a buffer, in 7 feet of TLC062 and filter the output. Schematic Precautions Good quality printed circuit board assembly. The circuit can be +12 / -12 V DC dual power supply. In IC1 holders must be installed.

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