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Thread: Electrical whine
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09-04-2014, 10:06 AM #11
Electrical whine
Thank you MLA.
2018 Max with a little extra weight here and there
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09-04-2014, 09:50 PM #12
Electrical whine
Got everything cleaned up and tidy. Still a slight whine with fuel pump running but seams better. Can't wait to test on the water with the engine running.
2018 Max with a little extra weight here and there
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09-05-2014, 07:44 AM #13
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09-05-2014, 09:05 AM #14
Electrical whine
I did. I have a 200 amp circuit breaker within a foot of the battery switch for the main power line to the distro block and also a fuse on all three power wires going to the amps immediately after the distro block. The fuses for the individual amp power lines are hidden behind the amp board.
2018 Max with a little extra weight here and there
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09-05-2014, 07:03 PM #15
Electrical whine
Thanks MMandley for talking me through this today.
I think I tracked the noise down to the EQ.
Input from headunit disconnected.
Phone output direct to amp input rca - no whine
Jumper rca from eq to amp - whine
All eq inputs disconnected, rca jumper from eq to amp - whine2018 Max with a little extra weight here and there
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09-05-2014, 07:51 PM #16
No problem, glad to help
Malo <--- Means--Evil or Mean One. This explains a lot.
2013 Mojo 2.5 Skylon Tower. Bestia < Beast >
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09-05-2014, 08:32 PM #17
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09-05-2014, 08:43 PM #18
Electrical whine
2018 Max with a little extra weight here and there
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09-05-2014, 08:58 PM #19
Ok, so the main gain is fixed, but the noise is when the EQ is in either main or AUX modes? That puts it on the output side and would make sense if its heard in both the front and rear zones, since its a single output thats split.
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09-05-2014, 10:07 PM #20
Electrical whine
Correct noise for both main and aux modes.
The noise is really only noticeable now when volume is all the way down and fuel pump is running. I can live with that. It's not really loud at all now.
I haven't started the engine yet. Hope the loud noise does not show itself then.2018 Max with a little extra weight here and there