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Speaker wire size?


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So I usually run 14 gauge through my installs, even at lower power setups ( clarification,  I use 14 for mids/highs, I use 8-10 on subs). Am I way overkilling it with wire that big? My main idea is that if anything gets an upgrade in the future, the wire will support about any amount of power that's going to get pushed. I've been looking at 9 strand multi wire ( 9 separate wires in one easy bundle) but can only find it in 18gauge. My arthritis kicks my ass bad when I try and tape 4 runs of 14 plus a remote wire ( tape every foot or two). It'd be much easier to run a prebundled setup, but is it gonna hurt my power handling or future expandability? 

2009 Silverado 1500, 7.5" lift, 37x12.50r17s, Built Gen 4 5.3L ( 4.8l flat pistons, decked 243s, SS2 Cam, Pac 1218 springs, ported intake, 120mm TB, Long tubes, 3" duals HP tuner software tuned by me), 4l80e swapped and 4.56 gears. All done by me. stereo is Pioneer avh 600ex, all stinger rca, jp23 v1.5, skar rp150.4, and hertz hpd4. 2 SHCA 6.5 8ohm, 1 SHCA 3.5", and 1 DS18 tw120pro in each door. The 3.5 mid and 3.5" tweeters are powered by the skar rp150.4, the 6.5s are powered by the hertz bridged @4 ohms. Dual runs   of 3/0 welding cable, 300a alternator, 2 Vmax AGMs up front. current sub is a AB XR 12 ( dual 2 ohm) with bottom spider cut out in 2.25 cubes at 32hz

 

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I wouldn’t run any lower than 16 on mids and 18 on tweets. 10/12 on subs depending on power maybe 8 if you don’t have to parallel at the subs connections

pretty sure I just bought a bunch of 14 gauge and wired both my mids and tweets with it. Easier than using two wire sizes plus like you said saves if you decide to upgrade power

as far as helping your hand I’ve seen people use a drill and some tesa tape to loom up whole runs of wire. 

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I used to make dozens of "whips" when I had slow days back when I was installing almost daily so I'm sure that's where "ol Arthur"  got his start but yeah I figured overkill is better than hot wires under the carpet. Going to stay on the hunt for a bigger gauge "speed wire" setup. 

2009 Silverado 1500, 7.5" lift, 37x12.50r17s, Built Gen 4 5.3L ( 4.8l flat pistons, decked 243s, SS2 Cam, Pac 1218 springs, ported intake, 120mm TB, Long tubes, 3" duals HP tuner software tuned by me), 4l80e swapped and 4.56 gears. All done by me. stereo is Pioneer avh 600ex, all stinger rca, jp23 v1.5, skar rp150.4, and hertz hpd4. 2 SHCA 6.5 8ohm, 1 SHCA 3.5", and 1 DS18 tw120pro in each door. The 3.5 mid and 3.5" tweeters are powered by the skar rp150.4, the 6.5s are powered by the hertz bridged @4 ohms. Dual runs   of 3/0 welding cable, 300a alternator, 2 Vmax AGMs up front. current sub is a AB XR 12 ( dual 2 ohm) with bottom spider cut out in 2.25 cubes at 32hz

 

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