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    Amp problem?

    I'm testing an alpine pdx 1000.1 1000 rms mono block. I'm setting my gains with my trusty DMM at 44.7 (square root of 2000 is 44.7xxxx) is it Normal to have to turn the gane about 3/4 of the way up to reach 44.7? I'm using a alpine cde-136bt which I believe is 2v pre amps.



    Quote Originally Posted by predxen View Post
    Its not as loud as it should be, you stop hearing it about a block away. you should be able to hear it a quarter mile away.
    .
    Quote Originally Posted by hispls View Post
    You need to keep the smoke INSIDE the amplifier. Once you've allowed all the happy smoke to escape the amp will stop working.
    BOYCOTT SKAR AUDIO! SHADY BUSINESS PRACTICES SHOULD NEVER BE ENCOURAGED!




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    Re: Amp problem?

    There is no "normal" as there is no standard RCA pre-out voltage. The gain is there to match the input voltage, i.e. the lower the input voltage the higher the gain needs to be. You could have a very weak input signal that would require the gain to be at 100% and still not produce a clipped wave. If you're getting the correct output voltage you should be fine. Having an oscilloscope can be great for this however as you don't need to guess you're not clipping, you can just view the waveform itself and check...




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    Re: Amp problem?

    Quote Originally Posted by bubbagumper6 View Post
    There is no "normal" as there is no standard RCA pre-out voltage. The gain is there to match the input voltage, i.e. the lower the input voltage the higher the gain needs to be. You could have a very weak input signal that would require the gain to be at 100% and still not produce a clipped wave. If you're getting the correct output voltage you should be fine. Having an oscilloscope can be great for this however as you don't need to guess you're not clipping, you can just view the waveform itself and check...
    I need to get one. How much are they?



    Quote Originally Posted by predxen View Post
    Its not as loud as it should be, you stop hearing it about a block away. you should be able to hear it a quarter mile away.
    .
    Quote Originally Posted by hispls View Post
    You need to keep the smoke INSIDE the amplifier. Once you've allowed all the happy smoke to escape the amp will stop working.
    BOYCOTT SKAR AUDIO! SHADY BUSINESS PRACTICES SHOULD NEVER BE ENCOURAGED!

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    Re: Amp problem?

    Quote Originally Posted by SplAffair View Post
    I need to get one. How much are they?
    You can get a handheld DSO Nano scope from amazon or ebay for ~$70




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