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SB Acoustics 4" woofer 25m VC NRX Norex cone, SB12NRXF25-8

SB12NRXF25-8

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SB Acoustics 4" woofer 25m VC NRX Norex cone, SB12NRXF25-8

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48,80 €

40,00 € ilma maksudeta***

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SB Acoustics 4" woofer 25m VC NRX Norex cone, SB12NRXF25-8

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 Impedance8 ΩFree air resonance, Fs63 Hz
DC resistance, Re6.4 ΩSensitivity (2.83 V /1 m)85 dB
Voice coil inductance, Le0.34 mHMechanical Q-factor, Qms5.4
Effective piston area, Sd50 cm2Electrical Q-factor, Qes0.46
Voice coil diameter25.4 mmTotal Q-factor, Qts0.42
Voice coil height15 mmMoving mass incl.air, Mms5.5 g
Air gap height5 mmForce factor, Bl5.5 Tm
Linear coil travel (p-p)10 mmEquivalent volume, Vas4.2 liters
Magnetic flux density1.07 TCompliance, Cms1.18 mm/N
Magnet weight0.40 kgMechanical loss, Rms0.4 kg/s
Net weight0.92 kgRated power handling*30 W
* IEC 268-5, T/S parameters measured on drive units that are broken in.

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SB Acoustics 4" woofer 25m VC NRX Norex cone, SB12NRXF25-8

SB Acoustics 4" woofer 25m VC NRX Norex cone, SB12NRXF25-8

SB Acoustics 4" woofer 25m VC NRX Norex cone, SB12NRXF25-8