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2 hours of measurements and tuning towards a compromise

mwj

Member
Joined
May 18, 2025
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After a professional fitting my car audio was configured for the driver seat for quite a while. Thing is that it's a VW camper van. So both of us sit in it quite often. One having a great sound, the other one not so much.

The last 2 hours now was me trying to find the compromise. Optimize for the middle between the front seats. Then hoping for it wouldn't be too bad at either of the seats.

In the diagram the bold response is from the center between seats. The responses behind for left and right ear of me in the driver position. Yes - the stage isn't centered anymore but both of us can have decent sound plus we can enjoy an OK sound in the back lounge while not driving.

Pasting this in case anyone is arguing after a similar compromise...

Bildschirmfoto 2025-09-06 um 20.45.31.png

I've tried to get some 1.25 to 1.5 db/octave slope.

1757185418041.png

Something at ~180Hz but well ... it is what it is.

Car Audio:
  • Helix DSP V Eight
  • Helix Compose i7 (2-way)
  • Arc Audio Subwoofer under the passenger seat
Tuning Procedure:
  • Microphone: UMIK-1 Custom Calibrated
  • Re-adjust speaker distances
  • REW EQ Tuning (-> copy)
  • Helix DSP Tool Virtual Channel (-> paste)
 
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