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tooppy

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Posts posted by tooppy

  1. Hello

     

    I am thinking of making a LaScala two ways with a Faital-pro HF200-8 +TD460N  or  a Faital-pro HF140-8+LTH142, combined with

    this Beyma 12BR70-8 in the bass bin ! OK it is just a 12",  if it has to be scaled down, lets do it.

    Could this be done ? I have no simulation tools nor talent for doing it.

     

    TECHNICAL SPECIFICATIONS Beyma 12BR70-8

    • Power capacity        125 W RMS
    • Nominal diameter        300 mm 12 in
    • Nominal impedance        8 ohm
    • Minimum impedance        6.6 ohm
    • Program power        250 W
    • Sensitivity        93 dB 1 W @ 1m @ 2Π
    • Frequency range        25-4000 Hz
    • Recommended enclosure volume        50 / 120 l 1.77 / 4.24 ft³
    • Voice coil diameter        52 mm 2 in
    • BL factor        12.1 N/A
    • Moving mass        0.074
    • Winding length        19 mm
    • Air gap height        7 mm
    • Xdamage pp        25 mm


    THIELE SMALL PARAMETERS

    • Fs        31 Hz
    • Re        5.6 ohm
    • Qms        4.44
    • Qes        0.56
    • Qts        0.50
    • Vas        142 l
    • Cms        345 µm / N
    • Rms        3.3 kg / s
    • Efficiency %        0.76
    • Sd        0.054 m²
    • Xmax        8 mm
    • Vd        340 cm³
    • Le @1 kHz        0.85 mH


    CONSTRUCTIVE DETAILS

    • Net weight        3.6 kg 7.92 lb
    • Total weight        4.1 kg 9.04 lb
    • Magnet        Ferrite

    Thanks

  2. My Kg3-2 woofers are still in working condition but I believe the foam is going to give way as it is getting slightly powdery.

    I have looked on the net and didn't find an original replacement, so I am wondering if anybody has use the service of Orange County Speaker repair for these particular woofers K1002K and KD11.

    Thanks

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