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0.47 0.1 100k Volume 1k 47k 1k 10k Gain X10 10k 10k 100k Q 100k Boost 0.1 0.1 15Hz 150Hz 0.047 0.047 0.022 0.022 22k 22k 22k 22k 100k 100k 100k 100k 300Hz 300Hz 60Hz 60Hz Fcutoff 100k Phase 0 180 0.1 10k 10k 301 10u 4k7 Audio GND To Power Amplifier Signal Input 4th order Linkwitz Reily Filter Design Copyright 2003 Lars Clausen L C Audio Technology Inc Design Copyright 2003 Lars Clausen L C Audio Technology Inc 100k 220R 25mV 100k 10k 100k 1u +12V +12V +12V +12V -12V -12V -12V -12V 10u 10u 10u 10u 10u 10u 10u 10u 10u 4k7 St.By 1N4148 1N4148 1N4148 MPSA92 BC548 10k 100k 4k7 -60V Power Down (C of 15V Zener in Gate Driver - LL4001) NE 5532 NE 5532 NE 5532 NE 5532 Signal Input Auto Power System 1n Volume Gain X10 Freq Q Fc Phase 180 0 300 60 15 150 Gainer 4th order Subwoofer Filter, Gainer, Auto Power System 4k7 1k 1N4148 BC558 5V 6.8V

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subwoofer filter

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Page 1: subwoofer filteromsel.com:8004/COMMON/css/ibn_20131029.min.css" rel="stylesheet" type="text/css" />

0.47

0.1

100kVolume

1k

47k

1k

10k

GainX10

10k

10k

100kQ

100kBoost

0.1

0.1

15Hz

150Hz

0.047

0.047

0.022

0.022

22k

22k

22k

22k

100k

100k

100k

100k

300Hz

300Hz

60Hz

60Hz

Fcutoff

100kPhase 0

180

0.1

10k 10k

30110u

4k7

Audio GND

To Power AmplifierSignal Input

4th order Linkwitz ReilyFilter

Design Copyright 2003Lars ClausenL C Audio Technology Inc

Design Copyright 2003Lars ClausenL C Audio Technology Inc

100k

220R

25mV

100k

10k

100k1u

+12V

+12V

+12V

+12V

-12V

-12V

-12V

-12V

10u 10u

10u

10u

10u

10u

10u

10u

10u

4k7

St.By1N4148

1N4148

1N4148MPSA92

BC548

10k

100k

4k7

-60V

Power Down(C of 15V Zener in Gate Driver - LL4001)

NE5532

NE5532

NE5532

NE5532

SignalInput

Auto Power System

1n

Volume Gain X10 Freq Q Fc Phase18003006015 150

Gainer 4th order

Subwoofer Filter, Gainer, Auto Power System

4k7

1k

1N4148

BC558

5V

6.8V