18 Hz to 200Hz Active low pass stereo filter for SUBWOOFER

Excellent, semi-professional circuit with performance excellent in low, very stable circuit, noise level very low, its power is symmetrical of +15 -15 Volts with CIS LM7815 and LM7819 with 1 ampere of current, CIS NE5532 are the operational amplifiers.

LIST OF COMPONENTS

RESISTORS

12 resistor 10 K x 1/4 w

4 resistor 100k x 1 / 4w

4 resistor 3.3 Kohms x 1/4 w

2 potentiometer 10 k double

3 resistors 39K x 1 / 4w

2 resistor 12k x 1 / 4w

1 resistor 4.7 k x 1 / 4w

1 resistor 47k x 1 / 4w

CAPACITORS

4 capacitor 1000uF x 25v

2 capacitor 100uF x 50v

3 capacitor 39nF polyester

2 capacitor 82nF polyester

4 capacitor 100nF polyester

1 capacitor 820nF polyester

1 470uF polyester

3 capacitor 220nF polyester

2 capacitor 47uF x 50v

3 capacitor 10uF x 50v

SEMI DRIVERS

1 led

1 LM 7815

1 LM 7915

4 diode 1n4007

3 ci NE5532

PRINTED CIRCUIT BOARD

MEASURES 10.5 cm x 7.5 cm

SEVERAL

1 Transformer 12 + 12 with central branch with 1 Ampere

2 plugs for input and output signal.

adsense

18 Hz to 200Hz Active low pass stereo filter for SUBWOOFER