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    When I faced the same problem, the following...

    When I faced the same problem, the following method worked well for me:

    82502

    A metal expansion bolt with a hook made it possible to carefully lever the driver upwards a little bit, tearing the...
  2. impedance measurement

    Not sure if this helps, but here's an impedance measurement of a 2447 (2452SL diaphragm) on an STX825 horn.

    In series with the driver were a 15 ohms sensing resistor and a 56 uF capacitor for...
  3. 1) ENCLOSURE TUNING: Here are the...

    1) ENCLOSURE TUNING:
    Here are the winISD-simulations that the enclosure volume was based on:

    RESPONSE
    82096
    The yellow curve shows the unassisted response in a 45 liter enclosure tuned to 65...
  4. DIY project: 2020H + 2447H living room speakers

    Hello everybody!

    This is my first post here, but I`ve been browsing the forum since around 2006. Back then I had discovered an auction for JBL 4311s on ebay and, in an attempt to find out more...
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