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Comparing car D amps to home D amps.

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  • Comparing car D amps to home D amps.

    I'm wondering what the difference between car D amps and home D amps.
    Sound distortion THD. Sound quality differences.

    Examples

    Dayton Audio DTA-100a Class-T Digital Mini Amplifier 50 WPC

    Topping TP60 Tripath TA2022 50WPC (80WPC 4 Ohm) Mini Amplifier

    to

    Kicker DX1252 (11D125.2) 2 x 30 RMS 2-Channel DX Series Amplifier

    Kicker DX300.2 DX Series 2x150W Bridgeable Stereo Car Audio Amplifier

  • #2
    Re: Comparing car D amps to home D amps.

    I would be inclined to say that the home audio amps might have a better noise floor and lower distortion but I have no idea if that's really true or not. You'll need a beefy 12 volt power supply for the car amps, but some of the home amps don't come with their power supply either.

    I do remember a thread where some guys were using car audio amps around the house and reporting some really good results.

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    • #3
      Re: Comparing car D amps to home D amps.

      The car amplifiers have no specs of THD at any watts. They just show THD. That's it.
      On home amplifier at a higher the volts the better the THD at a higher watts.

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      • #4
        Re: Comparing car D amps to home D amps.

        Originally posted by SITTINGUPHIGH View Post
        I'm wondering what the difference between car D amps and home D amps. Sound distortion THD. Sound quality differences.
        With the car audio amps, they're less included to exaggerate output claims by quoting at 10% THD, etc.

        You're also likely to come across class D amps in car audio that are considerably more powerful (at low THD) than what's available for home audio. Like my Alpine PDX-M12 amplifier, that can deliver 1.2kW of power into 4 ohms, or my PDX-F4, capable of delivering 150Wx4 into 4 ohms.

        OTOH it's likely to be more expensive. Gotta upconvert that 12V power to something high enough to deliver that power to the drivers.
        Brian Steele
        www.diysubwoofers.org

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