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BG 20 - 8 Ohm

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    Purchase BG 20 - 8 Ohm

    SKU: V-3020-BG20 BG 20 - 8 Ohm

    $77.00 each
    Brand: Visaton
    Quantity in Basket:  None

     

     



    Visaton Speaker Driver - BG 20 - 8 Ohm Full Range with Tweeter Dome
    Art. No. 3020

    Visaton BG20 - 8 Ohm.
    Visaton BG20 - 8 Ohm

     

    Characteristics and Sound Properties
    20 cm (8") full-range speaker with tweeter dome. High efficiency. Suitable for full-range units as vocal or guitar monitors or as a mid-range unit for full-scale or musicians' PA systems.

    Typical applications:-

    - Midrange unit for full scale or musicians' PA systems
    - Vocal or guitar monitors
    - Fullrange speaker for electronic organs and keyboards

     

    Technical Specifications

    Rated power 40 W
    Maximum power 70 W
    Nominal impedance Z 8 Ohm
    Frequency response
    (fu: Lower cut-off frequency depending on cabinet)
    fu-18000 Hz
    Mean sound pressure level 92 dB (1W/1m)
    Dispersion angle (-6 dB) 45°/4000 Hz
    Excursion limit ± 4 mm
    Resonance frequency fs 38 Hz
    Magnetic induction 1.2 T
    Magnetic flux 380 µWb
    Height of front pole-plate 4 mm
    Voice coil diameter 25 mm
    Height of winding 8 mm
    Cutout diameter 184 mm
    Net weight 1.3 kg
    DC resistance Rdc 6.2 Ohm
    Mechanical Q factor Qms 3.47
    Electrical Q factor Qes 0.51
    Total Q factor Qts 0.44
    Equivalent volume Vas 110 litres
    Effective piston area Sd 214 cm2
    Dynamically moved mass Mms 10 grams
    Force factor Bxl 6.1 Tm
    Inductance of the voice coil L 0.8 mH
    Temperature range −25 ... 70 °C

    Temperature Range

     

    Recommended Cabinet Sizes

    Volume / Principle BR Channel fb fc / QTC
    30 litre / closed - - 82 Hz/0.96
    30 litre / bass reflex BR 15.34 42 Hz -
    50 litre / bass reflex BR 15.34
    (length 7 cm)
    42 Hz -
    fb = Enclosure resonance (bass reflex system)
    fc = System resonance (sealed box system)
    QTC = The system's Q at resonance (fc)

     

    Driver Dimensions

    Loudspeaker Driver Dimensions and Measurements - all dimensions in mm (approx.)
    Loudspeaker Driver Dimensions and Measurements - all dimensions in mm (approx.)

     

    Frequency and Impedance Response

    Loudspeaker Frequency and Impedance Response Graph
    Loudspeaker Frequency and Impedance Response Graph

     

    Directivity Pattern

    Loudspeaker Directivity Pattern (on and off axis response)
    Loudspeaker Directivity Pattern (on and off axis response)

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