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Old 04-04-2016, 12:34 PM   #1
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Default What Do Yall Think of My Amp Install

This was my first amp install and was relieved when everything powered up and sound came out of every speaker. This JL 600/6 is powering (4) 6.5 JL's in the T-Top at the moment and will be adding (2) 7.7 JL's in the bow very soon. So each channel on the amp will power each speaker on the boat.

Any advice on tuning these bad boys for optimal audio quality? Any constructive criticism on the amp location? I must say I am proud of what I accomplished but I know others out there may have some good opinions too.

Thanks!
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Old 04-04-2016, 01:53 PM   #2
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That's way too clean. I like to at least see a mixture of flathead and panhead screws on the same amplifier.
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Old 04-05-2016, 07:47 AM   #3
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That's way too clean. I like to at least see a mixture of flathead and panhead screws on the same amplifier.
Yeah haha. We will see how it looks in a few years!
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Old 04-05-2016, 11:36 AM   #4
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Start the crossovers at 80hz high pass and adjust for personal taste from there.

For gain, turn them all the way down. Set the headunit to 80% of max volume and play a cd, not FM. Then turn the gains up until you hear distortion, then back them off about 10%.

That is the quick and dirty way. Never turn the headunit past 80% as the signal will start to clip.
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Old 04-05-2016, 12:12 PM   #5
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Do you only have one set of RCA connections for all the channels? Is that amp on the outside? I cant tell from the angle. What wire size for your +/- from the amp? I am installing a 700/5 and it states 4g but I am told 6 would be fine on my short run
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Old 04-05-2016, 12:48 PM   #6
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If you are not running subs, then you could get away with 6ga. If you are going to use a sub, then use 4ga.
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Old 04-05-2016, 04:28 PM   #7
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Originally Posted by snappergapper View Post
Do you only have one set of RCA connections for all the channels? Is that amp on the outside? I cant tell from the angle. What wire size for your +/- from the amp? I am installing a 700/5 and it states 4g but I am told 6 would be fine on my short run
Yes I am only using one set of RCA's... for now anyways. The amp is inside the console but on the outside of where all other rigging is. I used 4 gauge for both power and ground. It is a 600/6 and will be running 4 6.5's and 2 7.7's.
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Old 04-06-2016, 07:55 AM   #8
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Nice Job on the install. Doesn't look like any speakers are attached yet. Follow the 9 step procedure in the manual. Use a digital multimeter and measure your voltage output for each speaker after setting head unit at 3/4 volume. Use a cd or mp3 of a 1kHz sine wave to get your measurement. You can download these from the internet for free. It won't work with just any old music. There is a chart of the correct values in the manual. After that, wire up the speakers and adjust your crossovers. Talk to your dealer as to how to approach this for your setup. Mine (Earmark) was helpful in giving me a procedure to set them up. JL tech also gave some advice although not as detailed and Odin @earmark. Hope this helps. Be sure to use the right gauge wire for the speakers depending upon the length of runs.
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