Analog vs digital SPL meter: what's wrong with digital?

Discussion in 'Archived Threads 2001-2004' started by Jay Sylvester, Dec 14, 2002.

  1. Jay Sylvester

    Jay Sylvester Supporting Actor

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    I have the digital Ratshack SPL meter, which is what I used to calibrate my AVM 20. However, I see a lot of recommendations to get the analog model instead. Before I go drop $35 on the analog meter, can someone tell me why the digital model isn't suitable for calibrating? Is it inaccurate?
    Thanks [​IMG]
     
  2. Chuck Kent

    Chuck Kent Supporting Actor

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    No, the digital unit is not "wrong". It's just that the analog one can be visually read (because of the markings) down to a half of a decibel (or better if your vision is excellent) accuracy. The digital one is only going to show you down to the nearest whole decibel. The other reason the analog model is recommended is because it's cheaper.

    But other than the readout, they are essentially the same...
     
  3. Jay Sylvester

    Jay Sylvester Supporting Actor

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    Okay, thanks. What about the other shortcomings I've heard about with this unit? For example, I remember reading that it's not as sensitive (or is that too sensitive?) when it comes to bass frequencies, so certain allowances have to be made when adjusting the sub level.

    Is there a FAQ somewhere that details all of the quirks of the Ratshack meter?
     
  4. Chuck Kent

    Chuck Kent Supporting Actor

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  5. Jay Sylvester

    Jay Sylvester Supporting Actor

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    Cool, thanks for the info.
     

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