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single supply subwoofer low pass filter design
single supply subwoofer low pass filter design
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Old 18th February 2018, 08:23 AM   #21
motronix is offline motronix  Israel
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Quote:
Originally Posted by jhorapalok View Post
I am using this one:

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if you are using this schematic with my low pass filter don't use the input capacitor C1 (short it) and increase R1 to 1K
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Old 18th February 2018, 09:59 AM   #22
4real is offline 4real  Netherlands
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Quote:
Originally Posted by scottjoplin View Post
I don't see what you mean, the output of the filter connects to the amplifier input and ground, how does the supply figure?
If you use a dual supply filter, use supply gnd for vcc-, and pin 14 as new ground for the filter.
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Old 18th February 2018, 10:19 AM   #23
scottjoplin is offline scottjoplin  Wales
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Do you mean use the same power supply? Ground is pin 14
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Old 18th February 2018, 12:37 PM   #24
motronix is offline motronix  Israel
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Originally Posted by scottjoplin View Post
Do you mean use the same power supply? Ground is pin 14
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Old 18th February 2018, 01:10 PM   #25
scottjoplin is offline scottjoplin  Wales
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That's fine, is that what 4real was saying?
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Old 19th February 2018, 10:42 AM   #26
jhorapalok is offline jhorapalok  Bangladesh
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Quote:
Originally Posted by motronix View Post
if you are using this schematic with my low pass filter don't use the input capacitor C1 (short it) and increase R1 to 1K
I will do that, Thank you so much for your all out support and advice.
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Old 19th February 2018, 08:33 PM   #27
motronix is offline motronix  Israel
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Any time feel free to ask :-)
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