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  1. General Car Audio Discussion
    I just went through and upgraded my alternator, wiring, and added a second battery. My amps are KX series 2400.1 and 400.4. Before I upgraded my sound was clean but if I turned it up too loud the amps would cut out, I figured that was likely due to my cheap butt not going bigger with power...
  2. Technical & Advanced Car Audio Discussion
    Hey everyone, I'm having an issue with my midranges and I need some extra brains on the case. I'm getting distortion from an unknown source through my midranges at any volume. It scales with the music being played. Most noticable with instruments like pianos and guitars when playing alone. It's...
  3. General Car Audio Discussion
    Just had Infinity Kappa 90csx speakers installed in my 2021 Subaru Legacy. I was listening to the installer talk to the owner and he couldnt get the front door speakers to work but the tweeters in the dash worked? His suggestion was to skip the crossover and just plug in the 6x9 speaker and...
  4. Technical & Advanced Car Audio Discussion
    I used to set gains with a DMM (using the amp's power rating and speaker's nominal impedance) and at some point starting just blasting 0dB sine waves and listening for the buzz. Somehow I have neither gone deaf nor blown any drivers. Anyway, am thinking of making a setup so I can still do it by...
  5. Technical & Advanced Car Audio Discussion
    Little bit about my most recent set up first, then about what I've changed. For about a year now I've had an xtrons touchscreen hu, factory bose speakers, 2 comp r 12s 500rms each powered by a 600rms kicker mono amp. All sounded fine even though I know the subs were underpowered. Month ago I...
  6. General Car Audio Discussion
    Hi Everyone, I am new to the forum. I have an issue with my head unit, Pioneer AVH-280BT, in that when the sound is faded to the front or back it distorts the speakers. There is no issue with the balance left or right. The distortion increases with an increased level of fade and volume, and...
  7. General Car Audio Discussion
    I'll start by listing my setup: JL 1200/1v3 amp, 2 JL 12w6, older sony head unit, 800 cca optima, 4 gauge wiring all around. My equipment is fairly new (about 5 months old) besides the head unit. Recently I've had some problems with the bass changing volumes, I guess you could say, on its own...
  8. General Car Audio Discussion
    So I've had these JBL ms 52c component speakers hooked up in my car for a few months now and have worked and sounded great for all that time until out of nowhere one day, the tweeter on the passenger side sounded horrible. It sounds distorted, buzzy, fuzzy, and like it is being ripped as it...
  9. Technical & Advanced Car Audio Discussion
    hey i just registered because i really need help i dont know if im damaging my new speakers or is just something rattling SET UP: pioner mp1300 HU alpine spr60c(6.5's front) spr69(6x9's rear) powered by alpine mrxf65(4 channel) i believe and the a type r 1000 rms 12" powered by kicker 1000.1dx...
  10. Technical & Advanced Car Audio Discussion
    Let me just start off by saying that this is my first post at DIY, and as such I may have put this in the wrong section. Please excuse me if that is the case. I have searched briefly for threads containing a similar problem, but came out empty handed. Nevertheless I may have missed something. If...
  11. Car Audio Truth, Myths & Industry Dogma
    Morning guys, This thread is an attempt to find out for sure whether running a pair of subs isobarically (cone to cone or mag to mag) will reduce distortion or increase it. I had always read and been told that isobaric mounting of subs in cone to cone or mag to mag format would result in...
  12. Technical & Advanced Car Audio Discussion
    Just recently my speakers have been making a popping noise, it occurs randomly at all volume levels. I know this problem has other posts and ive tried everything. I tried new grounds, i took a dremel to the bolt, nut, and metal to try and get the best connection. My gains on the AQ 4 channel are...
  13. Technical & Advanced Car Audio Discussion
    I was just looking up some info about distortion in loudspeakers and came across a good page with some decent info about it that may benefit some of the newer crowd around here. Sometimes when deciding on drivers people may not always have enough emphasis put on distortion specs. Nonlinear...
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