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  #1  
Old 02-22-2010, 12:18 PM
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Default testing rca's?

how do you test if your rca's are good? i have a set of monster 4 channel rca's, they were previously in a truck and im reusing them, is there a way (with a 6v battery or something) to test the rca's before running them to make sure all the signals work properly? thanks.

i dont have an amp yet to test them with or speakers. im gonna be getting the amp and speakers within the next week.
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Old 02-22-2010, 12:30 PM
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Ive Used a 9v batt touched the ends to neg, pos and used a dmm to' see the voltage on the other end. Along with that i test the resistance.
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Old 02-22-2010, 12:33 PM
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alright, i was thinking of doing that but didnt know if that would fry them or not.
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Old 02-22-2010, 12:35 PM
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A 9v won't fry them, a good test would be to check the resistance on the middle prongs from one end to the other and on the shields from one end to the othe.
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Old 02-22-2010, 12:36 PM
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shouldnt you be able to use a dmm and just test continuity? just make sure the pos and negative on the rca's arnt connected to eachother
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Old 02-22-2010, 12:38 PM
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Originally Posted by nismos14 View Post
A 9v won't fry them, a good test would be to check the resistance on the middle prongs from one end to the other and on the shields from one end to the othe.
well i figured some head units put out 5v preout, but i didnt wanna risk it. thanks.
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Old 02-22-2010, 12:45 PM
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9v battery read 9.4v after testing each channel read 9.4 after traveling through the rva's. so they all work and theres no resistance? since they all read 9.4v on the dmm.
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Old 02-22-2010, 12:45 PM
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I have a line driver running 8v to my sub amp and 6v to mids and highs.

Yea u can do a continuity test but wont show if yer lossing any signal or resistance
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Old 02-22-2010, 12:48 PM
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Originally Posted by lil_italy773 View Post
I have a line driver running 8v to my sub amp and 6v to mids and highs.

Yea u can do a continuity test but wont show if yer lossing any signal or resistance
gottcha, thanks. ill check once in the vehicle and hooked up to the amp.
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