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Found 4 results

  1. The purpose of this thread is to post the devices that allow you to adjust the engine rpm (for instance, to 2000-3000rpm for demos/competing). Also to discuss ways to adjust the low idle rpm (like from 690 to 800 for example). Also known as: Rev Limiters Idle Adjusters Idle adjustment (ECU programming) Throttle Position Settings *** Some reasons why you might want to do low or high adjustments? Its not just for audio: -journeyman weld trucks -to produce more heat in a cab during winter -demoing/competing -lopey camshaft or engine tuning So, other than using your foot, what electronic program or manual adjuster are you using to set your engine rpm? And/or what are you doing for adjusting daily low range idle?
  2. When setting the gain on the amp do I turn the low pass filter/subsonic/ high pass filter/ etc all the way down before I start to set it? Or do I have the lpf/hpf/subsonic etc already set to where i want it and THEN set the gain? I'm confused because some tutorials say both. I know i have to have everything to 0 on the HU but I'm talking about the amp in case I was not clear.
  3. Im new to car audio so excuse the noob question but when getting the voltage required for the gain ( V=sqrt (P*R) )should I use my amplifiers rms wattage or my subs rms wattage for power (P)? I ask this because my amp is rated for 500 watts rms and my subs are 400 watts rms, so I thought using the amps wattage might overpower the subs? I will be using a multimeter for setting the gain.
  4. My current system is an Alpine CDE (forgot the exact model number), Clarion EQS746, 2 Skar Audio VXI65 component sets, 2 Skar VVX 12's, an MB Quart 125.4, and a Skar 1500.1d. I have alrady set my gains with a DMM, but I have access to an oscilloscope at school, and plan on tuning my system with that sometime this week for better accuracy. My questions are: How do I find the clipping point of my head unit, and equalizer combo? I'm assuming I can use the procedure described in the DD-1 manual on how to find the head unit's clipping point through the amplifier. It basically says to play a test tone with the speakers disconnected, the gain turned all the way down, the probes hooked up to the positive and negative speaker outputs, and then it says to gradually increase the head unit volume until distortion is shown on the oscilloscope. I plan to do this procedure with the equalizer flattened out, and its volume and subwoofer levels turned all the way up, using a 1kHz -0dB track for my mids and highs amp, and a 40Hz -0dB track for my bass amp. Then I would keep the head unit at the average of those two numbers. Would this be a correct way for determining what volume my head unit and equalizer combo clips at? Any and all help is appreciated. Thanks in advance!