Features

  • Proprietary cone material with natural fibres made in-house
  • Shortened voice coil optimized for pure midrange reproduction
  • High damping Butyl rubber surround for non-resonant sound character
  • Vented pole piece for reduced compression
  • Vented cast aluminium chassis for optimum strength and low compression
  • CCAW voice coil for reduced moving mass
  • Long life silver lead wires
  • Non-conducting fibre glass coil former for minimum damping
  • Shorting ring in motor system for reduced distortion

SB Acoustics SB12MNRX2-25-4 4'' Midrange

₹5,500.00Price
    • Nominal Impedance 4 Ω
    • DC resistance, Re 3.2 Ω
    • Voice coil inductance, Le 0.15 mH
    • Effective piston area, Sd 50 cm2
    • Voice coil diameter 25.4 mm
    • Voice coil height 9.4 mm
    • Air gap height 5 mm
    • Linear coil travel (p-p) 4.4 mm
    • Magnetic flux density 1.03 T
    • Magnet weight 0.4 kg
    • Net weight 0.92 kg
    • Free air resonance, Fs 63.5 Hz
    • Sensitivity (2.83V/1m) 90.5 dB
    • Mechanical Q-factor, Qms 4.19
    • Electrical Q-factor, Qes 0.35
    • Total Q-factor, Qts 0.32
    • Moving mass incl. air,Mms 4.2 g
    • Force factor, Bl 3.9 Tm
    • Equivalent volume, Vas 5.3 liters
    • Compliance, Cms 1.5 mm/N
    • Mechanical loss, Rms 0.4 kg/s
    • Rated power handling* 50 W

    * IEC 268-5, T/S parameters measured on drive units that are broken in.