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04-29-2023, 06:58 PM
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#1 |
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3P171 USAF Combat Arms
Drives: 2013 SS/RS Join Date: Jul 2021
Location: Olmsted AFB
Posts: 264
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Need audio help!
I replaced the factory head unit with an Alpine & a Maestro box so I have Apple Car Play as well as onscreen navigation. The Maestro allows the new head unit to control all the HVAC as well through the Alpine head unit touch screen. It also still shows the back up camera. We replaced all the speakers, the sub behind the seat (convertible) and a new amp all with Infinity Kappa series. All hocked up and plays through my phone with one serious issue. There is a horrible buzz coming through just the rear speakers whenever the car is running. Turning the volume to zero or pausing the music doesn’t stop this dreadful buzzing. Shut the car off and it stops while the music plays until you open the drivers door like normal. We did remove the F2 amp fuse from the box in the trunk as the amp is directly wired into the battery. I’m completely stumped. Please help.
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04-29-2023, 07:02 PM
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#2 |
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3P171 USAF Combat Arms
Drives: 2013 SS/RS Join Date: Jul 2021
Location: Olmsted AFB
Posts: 264
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This is everything we bought minus the amp we bought after.
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04-29-2023, 07:03 PM
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#3 |
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3P171 USAF Combat Arms
Drives: 2013 SS/RS Join Date: Jul 2021
Location: Olmsted AFB
Posts: 264
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There might be a piece I’m missing above as it was $2400-something.
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04-29-2023, 08:29 PM
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#4 |
    
Drives: 2010 Camaro 2SSRS M6 Join Date: Jan 2019
Location: Alabama
Posts: 1,249
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Sounds like a bad ground to me. Also make sure your RCA wires are not anywhere near the main power cable that goes from the trunk to the front of the car. The buzzing sound is more than likely engine noise being transferred through the speakers.
__________________
ECS supercharger, custom ground cam, ported throttle body, long tube headers, aeromotive fuel pump, fic injectors, ATI super damper, Corsa Extreme exhaust, elite engineering catch can and many other things.
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04-29-2023, 09:24 PM
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#5 | |
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3P171 USAF Combat Arms
Drives: 2013 SS/RS Join Date: Jul 2021
Location: Olmsted AFB
Posts: 264
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Quote:
But why just the rears? |
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04-29-2023, 10:29 PM
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#6 |
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Drives: 15 Camaro 2SS M6 Join Date: Jan 2020
Location: BC
Posts: 732
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did u run rca's from the headunit to the amp? which speakers have the chokes(bass blockers)? and try removing them.
did u use any existing wire from the factory rear speakers? hums come from signal interference and bad grounds. simply put... on multi ohm amps chokes can trick the amp into running speakers at a different impedance as well. get rid of the chokes, verify ur wiring and check ur ground. |
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04-29-2023, 10:32 PM
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#7 |
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3P171 USAF Combat Arms
Drives: 2013 SS/RS Join Date: Jul 2021
Location: Olmsted AFB
Posts: 264
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Thank you.
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04-29-2023, 11:13 PM
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#8 |
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Drives: 15 Camaro 2SS M6 Join Date: Jan 2020
Location: BC
Posts: 732
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just reread ur post and saw something I didn't originally see.
sounds like a bad ground, where is ur amp grounded? try grounding it directly to ur battery. |
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04-30-2023, 05:33 AM
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#9 | |
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3P171 USAF Combat Arms
Drives: 2013 SS/RS Join Date: Jul 2021
Location: Olmsted AFB
Posts: 264
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Quote:
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04-30-2023, 05:13 PM
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#10 | |
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Drives: 15 Camaro 2SS M6 Join Date: Jan 2020
Location: BC
Posts: 732
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Quote:
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04-30-2023, 09:29 PM
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#11 | |
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3P171 USAF Combat Arms
Drives: 2013 SS/RS Join Date: Jul 2021
Location: Olmsted AFB
Posts: 264
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Quote:
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05-01-2023, 05:29 AM
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#12 |
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Drives: 2011 2SS/RS Join Date: Feb 2016
Location: Jacksonville FL
Posts: 1,190
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Sounds like a bad ground/gain issue. Gains shouldn't exceed 1/3 on the dial and be sure your ground is best possible. The amp is in the trunk and you can go direct to the battery as well. Did you have the Boston acoustics option factory? How was it added in? Also, be sure the amplifier is running ok the HI level or speaker level inputs option. Anything over 5+v on the RCA can cause issue or on the low level inputs option.
__________________
•2011 Camaro SS 2SS/RS A6
•MRR M017 1le Replica Wheels •Vararam Ram Air Intake •Speed Engineering Longtube Headers w/ Magnaflow HF Cats •Bo White PnP Stage 2 TB •GPI SS2 VVT Cam w Cometic thin gaskets 10.69 compression •Xpipe w/ Res Delete and NPP Exhaust •Tuned By Anonymous Calibrations •Gen5DIY Mylink Conversion W/ Backup Cam •Morel 3 way custom speakers, Infinity 860w Subwoofers in trunk baffle •Helix P6 6ch amp w/ 8ch DSP and P1 Sub amp |
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05-01-2023, 02:04 PM
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#13 | |
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3P171 USAF Combat Arms
Drives: 2013 SS/RS Join Date: Jul 2021
Location: Olmsted AFB
Posts: 264
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Quote:
I’ll pass along your comments. Thank you. |
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05-02-2023, 09:25 PM
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#14 |
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Valkyrie14
Drives: Chevrolet Camaro SS Join Date: Mar 2020
Location: Eau Claire, Wisconsin
Posts: 962
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Do you have the amp input switch set to high or low? I had this happen, I ran through all of the troubleshooting you are doing now, and it turned out to be the setting on my amp.
__________________
2014 SS LS3/LSA Supercharger, 10% Super Damper, 2.55 upper, AGP Dual Pump, ID 1050 injectors, Pegasus solid rear cradle bushings, LT Headers, Roto-Fab CAI, Elite E2 catch can, E85 corn fed, 160 Thermostat, Monster Twin Disk, MGW Short Throw shifter, Tick Clutch Master Cylinder, HP Tuners, JL Audio system.
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