Thread: RCA cables and power wire
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Old 02-26-2010, 08:37 PM   #14 (permalink)
tbonesteak
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Quote:
Originally Posted by vipor View Post
Simple rules for preventing noise in a car audio system:

- Power and RCAs 18" apart
- If you have to cross paths, dry to make it at a 90deg angle (as little contact as possible)
- GOOD GROUND!!!!!!!!!!!
- Return ground. Run another 18-22awg wire with the remote turn on wire to connect the radio ground to the amp ground.

I've done plenty of installs with shitty RCAs and been fine. Just make sure your power cables are big enough. Bigger is always better. I've installed a lot of 100-200 watt amps with 4awg wire.

What's the use in using oversized power wires? for 100-200 watts especially given how short our cars are, 4awg sounds ridiculous.
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