LOUDSPEAKER 4″FR40 8 OH – Combo United Services – renginių techninis aptarnavimas
Tilžės g. 41, LT-47182 Kaunas, Lithuania

LOUDSPEAKER 4″FR40 8 OH


● 4” full-range compact ferrite loudspeaker ● 80 W program power ● Extended response and low distortion ● Paper cone and SantopreneTM surround

Neturime

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    TECHNICAL SPECIFICATIONS

    Nominal diameter
    100 mm 4 in
    Nominal impedance
    8 Ohm
    Minimum impedance
    7.3 ohm
    Power capacity
    40 W AES
    Program power
    80 W
    Sensitivity
    87 dB 1 W/1 m @ ZN
    Frequency range
    100-20000 Hz
    Voice coil diameter
    20.3 mm 0.8 in
    BL factor
    4.2 N/A
    Moving mass
    0.0044 kg
    Winding length
    7.7 mm
    Air gap height
    5 mm
    Xdamage pp

    PARAMETERS THIELE & SMALL

    Fs
    92 Hz
    Re
    6.4 ohm
    Qms
    11.3
    Qes
    0.96
    Qts
    0.88
    Vas
    2.8 l
    Cms
    668 µm / N
    Rms
    0.23 kg/s
    Efficiency %
    0.22
    Sd
    0.0055 m²
    Xmax
    3 mm
    Vd
    11 cm³
    Le @1 kHz
    0.2 mH

    CONSTRUCTION DETAILS

    Net weight
    0.55 kg 1.2 lb
    Total weight
    0.75 kg 1.65 lb
    Magnet
    Ferrite

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