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Thread: 2018 JL Audio system tuning WOW
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09-05-2018, 09:43 AM #21Senior Member
- Join Date
- May 2018
- Location
- Atlanta, GA
- Posts
- 119
Question, where are you guys setting your bypass filters to? Factory had the m880s at 60hz, and the 770s at 80hz. I’m interested to hear what you guys set your filter on for the towers.
On tuning, I can’t audibly hear distortion until it’s really bad. JL amps have a specific tuning procedure using a voltmeter and a 1 kHz sample track. You can also use a distortion detecting tool. I’ve used both and the gains worked out to be set in the same exact spot. No distortion below 75 volume. The ice box put out NO distortion even at 100% volume. That’s according to a distortion detection tool. One weird thing is that over Bluetooth, I get distortion when setting the phone to full volume. No distortion of I back it off one click of volume from full.
SMD distortion tool...2022 Supra SL 400 ordered!
2019 Supra SL 400 passed on for summer fun
2018 Supra SL 400 Arrived and awesome!
2014 Axis A20 - Sold to a great family
1992 Supra Comp T6SM
1999 Nautique Super Sport
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09-05-2018, 10:29 AM #22I get distortion when setting the phone to full volume. No distortion of I back it off one click of volume from full.
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09-05-2018, 12:09 PM #23
I couldn't agree more. I can hear the distortion on my SL stereo when my phone volume is at max. I turn my phone down 3 clicks from the max, leave it there and control with boat stereo. I can run up to 100% without distortion with these settings. I will tell you that 4 JL 8.8" tower speakers, with the 2 10" subs, 4 8.8" cockpit speakers with 3 JL amps running it all is a huge improvement over the stereo that was in my 17 SA.
2018 Supra SL550 with 850lbs of lead wake
2017 Supra SA400 (Sold)
2016 Moomba Mojo Surf Edition (Sold)
2017 Ford F250 Super Duty (Sold)
2019 Ford F250 Super Duty (Sold)
2021 GMC Denali 2500
Soulcraft Vodoo
Soulcraft Jordi Pro
Soulcraft Super AV
Phase Five Matrix
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09-06-2018, 01:22 PM #24Senior Member
- Join Date
- May 2018
- Location
- Atlanta, GA
- Posts
- 119
2022 Supra SL 400 ordered!
2019 Supra SL 400 passed on for summer fun
2018 Supra SL 400 Arrived and awesome!
2014 Axis A20 - Sold to a great family
1992 Supra Comp T6SM
1999 Nautique Super Sport
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09-06-2018, 01:46 PM #25
We anchor and jam for 3-4 hours sometimes a little longer after surfing 1st thing in the morning. After I throw out the box anchor I switch the battery switch to battery 1 and have never had a problem. After we jam out and drink for a few hours I switch it back to 1+2 on the switch and head out for the earlier evening surf sesh.
Not sure I have found the limit either, but it lasts long enough for us and blows my buddies Nautique and Malibu system away so we typically jam my system.
The 8.8" cockpit speakers are amazing...I'll take 4 of those instead of the six 6.5" cabin speakers I had before.2018 Supra SL550 with 850lbs of lead wake
2017 Supra SA400 (Sold)
2016 Moomba Mojo Surf Edition (Sold)
2017 Ford F250 Super Duty (Sold)
2019 Ford F250 Super Duty (Sold)
2021 GMC Denali 2500
Soulcraft Vodoo
Soulcraft Jordi Pro
Soulcraft Super AV
Phase Five Matrix
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09-06-2018, 07:53 PM #26
Id suggest not finding the limit of both. Kind of defeats the purpose of having 2 banks.