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    What Does Volts Pre Out Mean??

    alpine head units have a 4 Volt Pre-out and the new Pioneer head units have a 6.5volts pre out.. which iz better?? what does it do??







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    Re: What Does Volts Pre Out Mean??

    generrally means "cleaner" signal - dorwns out most inherent car noise. & easier on amp's - input sensitivity / gain can be set lower for same output.



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    Re: What Does Volts Pre Out Mean??

    Pre-out voltage refers to how strong the signal is on the Hu's rca connections. Higher voltage allows you to run your amp's gains lower - which will reduce the chance of getting signal noise to the speakers.




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    Re: What Does Volts Pre Out Mean??

    Isn't this stickied? ... Oh well..




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    Re: What Does Volts Pre Out Mean??

    Quote Originally Posted by Expy2000
    Isn't this stickied? ... Oh well..
    if that social theory worked here... there would be 70% fewer posts. not accounting the lounge of course.... eh



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    Re: What Does Volts Pre Out Mean??

    thnx so much u'z have answered my question but i must ask 1 more.. its not relevant but how can i make my 4channel see my comps at 2ohm instead of 4




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    Re: What Does Volts Pre Out Mean??

    well what kind of amp do you have? if your 4 channel is bridgable at 2 ohm's then u can run each comp to the amp using 2channels a peice..meaning you wont be able to run your rear speakers on the amp..if u want to use th rears do it off the h/u...



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    Re: What Does Volts Pre Out Mean??

    amp is ALPINES MRV-F540

    # 150W x 4 (Max)
    # 200W x 2 RMS [4Ohm Bridged @ 14.4V (0.3% THD)]
    # 100W x 4 RMS [2Ohm @ 14.4V (0.3% THD)]
    # 80W x 4 RMS [4Ohm @ 14.4V (0.08% THD)]
    # 140W x 2 RMS [4Ohm Bridged @ 12V (0.3% THD)]
    # 70W x 4 RMS [2Ohm @ 12V (0.3%THD)]
    # 50W x 4 RMS [4Ohm @ 12V (0.08% THD)]
    # Bass Engine
    # HP/LP/BP Adjustable Crossover
    # One Side Terminal Layout
    # Top Mounted Controls
    # Control Panel Cover
    # Alpine V12 PWM MOSFET Power Supply
    # 4 Volt Input Capability




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    Re: What Does Volts Pre Out Mean??

    if you're comps are 4ohms, you cant make the amp see 2 ohms on each. unless you can bridge two channels to mono and wire your comps in parrellel... but that wouldn't be bright.



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    Re: What Does Volts Pre Out Mean??

    so why do virtually all companies state that u get an increse in rms by running your speakers at 2ohm loads... i don't get why they even mension that then if its such a bastard to pull off and obviously isn't a stable idea... thnx anywayz




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    Re: What Does Volts Pre Out Mean??

    Quote Originally Posted by Zinthesis
    so why do virtually all companies state that u get an increse in rms by running your speakers at 2ohm loads... i don't get why they even mension that then if its such a bastard to pull off and obviously isn't a stable idea... thnx anywayz
    amp companies.

    this is something that you should think about before you either: a.) buy your comps -or- b.) buy your amp.



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