Dynamic range of pre 90's speakers

Discussion in 'Archived Threads 2001-2004' started by Steve Knowles, Aug 8, 2002.

  1. Steve Knowles

    Steve Knowles Auditioning

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    I have 2 old sets of speakers. 1 set are Energy pro 22's from the early 80's and the others are late 60's JBL model S-99's. Can someone tell me if these older models were rated 20 - 20k. Kieran (a member here) gave me some excellent info on set up but he was not familiar with these model #'s that I have. I'm thinking these speakers were built (maybe) before the invention of the sub-woofer and they are definately not sheilded. I guess I'm wondering if a sub is that necessary.

    Thanks in advance.

    Steve
     
  2. Wayne A. Pflughaupt

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    Very few speakers are rated down to 20Hz.

    My 1986 Audio Annual Equipment Directory shows the Energy Pro 22’s rated from 28Hz to 45kHz ±3dB. Not bad for a speaker with a 7” woofer. The sensitivity rating is 86dB.

    I doubt the JBLs would get anything near that low, since they have traditionally used ported designs. Not a lot of speakers from the 60s do the lowest octave.

    Regards,
    Wayne A. Pflughaupt
     

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