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Misleading SPL Ratings?

Discussion in 'Amps and Cabs [BG]' started by bobalu, Apr 16, 2009.


  1. bobalu

    bobalu

    Oct 1, 2004
    above the 49th
    I have an Ashdown ABM 210 cabinet that I'm using with my EVO ll head. Love it, no complaints, no problems. I want a second cab and can't decide between another ABM 210 (for a 410 type of rig) or the ABM 115 (compact). I have a line on one or the other so I'm not really interested in other brands.

    My question: I noticed that there is a considerable difference between the SPL ratings of each cabinet (102 for the 210 vs. 97 for the 115). Is that a fair comparison using SPL? I mean, isn't the measurement taken at a specific frequency that would be different for each of those cabinets? I also read somewhere that the manufacturers usually will choose the freq. with the highest SPL to publish, which may not be the tuned freq. of the cabinet (I'm not a tech head in case you couldn't tell!).

    Bottom line, is it fair to say the 210 is a louder cab, so choose it?
     
  2. fdeck

    fdeck Supporting Member Commercial User

    Mar 20, 2004
    Madison WI
    HPF Technology LLC
    At the very least, to make a meaningful comparison, you need a graph of SPL versus frequency for each speaker. A rating of 102 for a 210 seems optimistic.
     

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