SB Acoustics 4" woofer 25m VC NRX Norex cone, SB12NRXF25-4
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  • SB Acoustics 4" woofer 25m VC NRX Norex cone, SB12NRXF25-4
  • SB Acoustics 4" woofer 25m VC NRX Norex cone, SB12NRXF25-4
  • SB Acoustics 4" woofer 25m VC NRX Norex cone, SB12NRXF25-4
  • SB Acoustics 4" woofer 25m VC NRX Norex cone, SB12NRXF25-4

SB Acoustics 4" woofer 25m VC NRX Norex cone, SB12NRXF25-4

SB12NRXF25-4
40,00 € Без НДС
48.80 € с НДС для покупателей из ЕС
SB Acoustics 4" woofer 25m VC NRX Norex cone, SB12NRXF25-4
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SB Acoustics 4" woofer 25m VC NRX Norex cone, SB12NRXF25-4

Special Features

  • Proprietary cone material with natural fibres made in-house
  • Foam surround for maximum transparency and midrange resolution
  • 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

Specifications:

Nominal Impedance4 ΩFree air resonance, Fs61 Hz
DC resistance, Re3.1 ΩSensitivity (2.83 V / 1 m)87 dB
Voice coil inductance, Le0.27 mHMechanical Q-factor, Qms5.3
Effective piston area, Sd50 cm2Electrical Q-factor, Qes0.53
Voice coil diameter25.4 mmTotal Q-factor, Qts0.48
Voice coil height15 mmMoving mass incl.air, Mms5.8 g
Air gap height5 mmForce factor, Bl3.6 Tm
Linear coil travel (p-p)10 mmEquivalent volume, Vas4.1 liters
Magnetic flux density0.84 TCompliance, Cms1.17 mm/N
Magnet weight0.32 kgMechanical loss, Rms0.42 kg/s
Net weight0.75 kgRated power handling*30 W
* IEC 268-5, T/S parameters measured on drive units that are broken in.
SB Acoustics
SB12NRXF25-4
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