• PAcalculate: Pro-Audio and Lighting Calculators

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     dB SPL :
     W    dB
       dB
       
     
     
     m  ft    dB

     dB SPL    dB

    1 dB SPL
    2 dB SPL
    3 dB SPL
    4 dB SPL
    5 dB SPL
    6 dB SPL
    7 dB SPL
    8 dB SPL

    dB SPL

    ° 
    m ft

    °C  °F
     %
     Hz
      ft
    dB

      ms us   m
    cm 
    ft
    "
       
     
     °C °F         
      ++
     
     

    Hz λ  m
    cm
    ft
    "
       
     
     °C °F         
    λ 2λ/3 λ/2 λ/4 λ 2λ/3 λ/2 λ/4
    Hz

    L
     

    m
    cm
    ft
    "
    ()
    63 Hz  
    125 Hz  
    250 Hz  
    500 Hz  
    1k Hz  
    2k Hz  
    4k Hz  
    8k Hz  
    16k Hz  

    dBu
    dBV

    B/W
    ()
     oct
    Q

    W
    @ Ω
     
    dB
     
     
      V







    W
    V
    @ Ω
    :
    dB
     

     

      ft
     
      8 Ω
      a 8 Ω
       
    dB
    %

      ft
     
    W
    25
    100
    50
    140
    70 V
    200 V
       
    dB
    %



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    ON

           

       R  
        
       G  
       B  
      A



       

       C
        
       M
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