capacitor and speaker hum

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nicenasty

Member - Posts: 5

Joined: July 30, 2006

Location: United States

Posted: August 07, 2006 at 9:00 PM / IP Logged

Should a digital capacitor(1 farad fosgate) read voltage even with vehicle off. Also It came with a little circuit board for charge and discharge, Should that be on the capacitor all the time or just to charge and discharge.

2nd question is when I turn my sub amp on there is a very faint hum even with volume turned all the way down. I am running 2 12" kicker comp vr 1 ohm into a memphis 500.1

Any help would be appreciated.

alpine CDA 9830

memphis 500/1

kicker comp 12's

infinity ref. 6010CS

JL_AUDIO E-4300 for components

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nicenasty

Member - Posts: 5

Joined: July 30, 2006

Location: United States

Posted: August 07, 2006 at 9:02 PM / IP Logged

capcitor is wired in line before dis.block

alpine CDA 9830

memphis 500/1

kicker comp 12's

infinity ref. 6010CS

JL_AUDIO E-4300 for components

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killer sonata

Silver - Posts: 718

Joined: May 17, 2006

Posted: August 07, 2006 at 9:08 PM / IP Logged

i used to have a digital 30 farad capacitor back when i used to think they actually did something. It turned off by itself after a set amount of time. or atleast thats what the directions said. sell the crap, i mean cap :) on ebay and upgrade your big three.

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jettagli03

Copper - Posts: 311

Joined: January 16, 2005

Location: United States

Posted: August 07, 2006 at 11:12 PM / IP Logged

yeah i've put in a few caps in friends cars, they all are convinced they need it so i dont complain--just get paid to do it, and the digital ones usually still read the voltage for a good minute or so before they turn off

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capacitor and speaker hum

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