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  1. Technical & Advanced Car Audio Discussion
    Everyone seems to have their own technique when it comes to measuring their drivers when tuning. What is yours? Getting consistent and repeatable measurements can be difficult. And that can cause a tune that sounds awful to the ear look great on RTA or sound great and look awful, depending on...
  2. General Car Audio Discussion
    hello, i have a dip problem when both left and right channel plays. wondering if can help with this problem. my setup -2 way active front, door and a pillars - 12” sub behind passenger seat firing forward. (i need space at back for my equipment) suzuki wagon blind van. crossovers tweeter...
  3. Technical & Advanced Car Audio Discussion
    While measuring pink noise with REW I’ve always noticed that my measurement never quite stops moving, nor does it really settle at all. Is this normal? From what i’ve seen in how to videos it usually moves for a bit and then settles into an average. Mine jumps up and down the whole time making...
  4. Technical & Advanced Car Audio Discussion
    i have an odd response for my pillar mounted, passenger side 3” midrange.
  5. General Car Audio Discussion
    i hate idling my car for 3 hours at a time lol. do any of you have an alternative way of keeping the system on without draining the battery? i have a 12volt jump box i’m thinking about just leaving turned on and connected to the battery? any ideas appreciated
  6. Car Audio Classifieds
    ISO RTA mic that will work with a Helix DSP Pro mk2. I have been looking at the helix MK1 or audiofrogs microphone. But also have seen the audiocontrol one but not sure if its only for their mobile app. either way if anyone has one let me know.
  7. Technical & Advanced Car Audio Discussion
    I am trying to teach myself how to tune my graphic 30 band EQ (JBL MS-8). I have been using a Flat Weighted Graph on my RTA and the Harmon target curve. Is this the right graph to use with this Target Curve? Only two bands are boosted to +3dBs - 63hZ & 125hZ. All other bands are cuts from...
  8. Technical & Advanced Car Audio Discussion
    Does anyone know where I can find a High Quality Pink Noise in 7.1 Surround Sound? I have been trying to check and possibly tune my JBL MS8. With mono pink noise my results are different than with stereo pink noise. Mono pink noise most of the sound is coming from the center channel. With...
  9. Technical & Advanced Car Audio Discussion
    Rookie Tuner here so please be gentle: Each time I tune my system to match the standard ATF curve on the Helix I am disappointed with the resulting midbass, specifically I lose all punch in the mid bass area. I'm running a Helix P6 120 watts to Hertz ML 6.5's in the doors LPF at 250 hz -24db...
  10. Technical & Advanced Car Audio Discussion
    So focal utopia 4 way active, no. 7 + 21wx sub off a pioneer p99rs. All set up, been going for a few months, my install has the mid and tweet above dash near A pillars, and mid/bass in bottom of doors with sub in boot. It all sounds great, got it TA'd pretty much right in front of my face...
  11. Technical & Advanced Car Audio Discussion
    Has anyone used this mic? I like the fact that it is a USB and not XLR, that way I hook it up directly to the laptop with only the USB cable. Unfortunately it has no reviews on the Parts Express site. Link: Dayton USB Mic
  12. Car Audio Classifieds
    FS: Calibrated Behringer ECM8000 and M-Audio Mobile Pre Package Behringer ECM8000 and M-Audio Mobile Pre Amp. Throwing in Mic Cable free. Used very lightly and gently, maybe 5 times. Includes all software, cables and hardcase for mic. Mic was calibrated by bikinipunk and calibration...
  13. Technical & Advanced Car Audio Discussion
    I have a reference-calibrated microphone, a good quality ADC (hopefully I can find the Windows drivers for it), and professional version of MATLAB. I plan on recording the raw data file with the ADC (I think it's an older Presonus Firebox. luckily I have a firewire port on my laptop), and do...
  14. Technical & Advanced Car Audio Discussion
    I have never personally tuned a car using an RTA, but I did use to watch my old shop manager when he would use one and if I remember correctly, he would have the set up by the rear view mirror. I would think you would want the mic to be set up in the same area where the driver's head would be...
  15. General Car Audio Discussion
    Hi all, long time voyeur, first time registered poster. Was looking at buying a used RTA, but then realized there are PC versions out there (duh?). Saw TrueRTA, and one by WAV...are these any good for tweeking an auto sound system? Is there a "best", or "best value" one for a novice to RTAs...
    rta
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