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FR 87 - 4 Ohm

Thumbnail Filmstrip of FR 87 - 4 Ohm Images

    Purchase FR 87 - 4 Ohm

    SKU: V-4630-FR87 FR 87 - 4 Ohm

    $21.00 each
    Brand: Visaton
    Shipping Weight: 0.26 kg
    Quantity in Basket:  None

     

     



    Visaton Speaker Driver - FR 87 - 4 Ohm Full Range
    Art. No. 4630

    Visaton FR87 - 4 Ohm Full Range.
    Visaton FR87 - 4 Ohm Full Range

     

    Characteristics and Sound Properties
    8.7 cm (3.4") fullrange speaker with balanced frequency response and high efficiency. For speech and music reproduction in electronic divices and vehicles.

    Typical applications:-
    - Control speaker for electronic devices
    - Vehicles
    - Electronic musical instruments

    Attributes:-
    - Moisturised cone
    - Metal basket

     

    Technical Specifications

    Rated power 10 W
    Maximum power 15 W
    Nominal impedance Z 4 Ohm
    Frequency response 100-20000 Hz
    Mean sound pressure level 85 dB (1W/1m)
    Opening angle (-6 dB) 143°/4000 Hz
    Excursion limit ±2 mm
    Resonance frequency fs 137 Hz
    Height of front pole-plate 3 mm
    Voice coil diameter 15 mm
    Height of winding 4.3 mm
    Cutout diameter 80 mm
    Net weight 0.21 kg
    DC resistance Rdc 3.5 Ohm
    Mechanical Q factor Qms 6.4
    Electrical Q factor Qes 1.56
    Total Q factor Qts 1.25
    Equivalent volume Vas 1.3 litres
    Effective piston area Sd 37 cm2
    Dynamically moved mass Mms 2 grams
    Force factor Bxl 2.1 Tm
    Inductance of the voice coil L 0.2 mH
    Connections 4.8 x 0.8 mm (+)
    2.8 x 0.8 mm (−)
    Temperature range −25 ... 70 °C
    Temperature Range

     

     

    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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