600 Series bass plug

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  • Wilfred
    Junior Member
    • May 2003
    • 27
    #1

    600 Series bass plug

    From the graph in the manual, it leds me to believe that when I plug the bass port, the speaker respond will go lower with a lower output. In HSU term, Max Extention mode.

    Is it true? Any one runs their 600s plugged?
    Tags: None
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    • DrBoom
      Senior Member
      • Dec 2003
      • 325
      #2
      What happens is that you transform a bass-reflex speaker into a closed-box speaker.
      BR cabinets have a lower - 3 dB point, but have a more steep roll-off afterwards.
      BR rolls off at 12 dB/octave, closed box rolls off at 6 dB/octave.
      In practice, this means that with the ports plugged, the output will be a bit lower, but the roll-off won't be as steep below the - 3 dB point.
      So it can go lower, but less loud.
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