Recent content by hart

  1. H

    jbl 1800 gti 18'' sub

    I believe the "SR" was in reference to the JBL Professional series of portable speakers. I also heard that the GTi series was based on JBL's Professional series, but I don't know if that was true. My apologies, the sensitivity was the published 1 watt at 1 meter number. Also, I realize I...
  2. H

    jbl 1800 gti 18'' sub

    I'm not sure if youre still looking for an answer: but I own (2) JBL 1800GTi's .. i bought them in the mid/early 90's .. I have the spec sheet somewhere, but I do remember they had a really high sensitivty of 97 or 98 dB .. I installed them in an enclosure with (2) 6" ports tuned to about 35...
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