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Head unit Measurments for Forscan Changes and High level vs Low Level

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Old 08-09-2021, 07:54 PM
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Last edited by 67Vert; 08-09-2021 at 07:55 PM. Reason: Deleted: wrong thread
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Old 06-28-2022, 12:40 AM
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Originally Posted by flynavy812
Just curious, when you pull as-built do you get the entire ACM lines for your truck?
yea you will and it's easy to do just message the motorcraftservice.com website asking for your asbuilt iinclude your vin # and make model trim etc also say your having issues with your ECM and need the ASBUILT info for diagnostics you will get your info promptly
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Old 03-25-2023, 04:35 PM
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Originally Posted by dhmcfadin
IMPORTANT NOTICE:

These tests are from a 2014. 2015 and up have a verified 80hz high pass filter on the rear channels. This is not an assumption. This is proven and verified.
I know this is an older thread but any ideas where the high pass filter is located? Is it programing in the HU or is it an inline filter? https://www.f150forum.com/attachment...m-b-o-4-12.pdf
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Old 03-25-2023, 05:18 PM
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Originally Posted by Powerlifter405
I know this is an older thread but any ideas where the high pass filter is located? Is it programing in the HU or is it an inline filter? https://www.f150forum.com/attachment...m-b-o-4-12.pdf
Dsp programming
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Old 03-25-2023, 07:04 PM
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Originally Posted by jdunk54nl
Dsp programming
Can we safely assume that modifiers to the DSP setting in forscan dsp 2018+ will be abto return it to full signal?
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Old 03-25-2023, 07:39 PM
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Originally Posted by Powerlifter405
Can we safely assume that modifiers to the DSP setting in forscan dsp 2018+ will be abto return it to full signal?
I can for the 2014's. Someone else might verify other years
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Old 03-26-2023, 12:47 AM
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Sounds good. I'll fiddle w/ that setting and see what happens. I can always return to stock. Thx
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Old 04-22-2023, 08:24 PM
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I do not have the DSP module when I use forscan so I'm guessing since its not the Sony system, there is no DSP?
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Old 04-22-2023, 09:43 PM
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Originally Posted by Powerlifter405
I do not have the DSP module when I use forscan so I'm guessing since its not the Sony system, there is no DSP?
correct
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Old 04-23-2023, 02:23 AM
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Originally Posted by jdunk54nl
correct
This post then should only be reflective of the Sony systems w/ DSP?
https://www.f150forum.com/f30/head-u...3/#post6474731

I just listened to Phiso Jotaro and Rick Ross Purple lambo and faded to rear and according to my iphone app i'm seeing fr as low as 42hz. Does that seem correct?
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