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bass reflex

  1. D

    First time speaker build.

    I've recently acquired a pair of 3 way speakers used by 2 generations in my family and hold sentimental value, Unfortunately the boxes are falling apart and there is no way to save them. Since it was not a calculated box, I needed to know the enclosure size and port dimensions for a BR enclosure...
    • DanielDsouza
    • Thread
    • ad12100 bass reflex enclosure new speaker build phillips
    • Replies: 9
    • Forum: DIY
  2. tekuhn

    Bass Reflex Enclosure Tuning Using Impedance Plot

    I have a strange situation that I'm hoping someone more experienced can explain to me. I am installing a Celestion TF1225 driver in a ported 2.6 cu.ft. enclosure and having a hard time getting the ports tuned. The drivers advertised Fs is 63Hz and mine measured 60Hz in free air. Using WinISD, I...
    • tekuhn
    • Thread
    • bass reflex port tuning
    • Replies: 33
    • Forum: Speakers
  3. G

    Why do Onken & other old enclosures sound so different?

    There are all these antique Altec, Onken, Jensen & other bass reflex enclosures that sound so different & have a certain magic with their huge & very shallow ports. Something has been lost as everyone has shrunk the openings & lengthened the bass reflex ports to increase bass. Some of these old...
    • GregOgil
    • Thread
    • 1940s 1950s altec bass reflex jensen onken shallow ports stephens trusonic
    • Replies: 19
    • Forum: Speakers
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