SB Acoustics 4" mid/woofer, 25mm VC PFC, SB12PAC25-4 Alu

SB12PACR25-4

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SB Acoustics 4" mid/woofer, 25mm VC PFC, SB12PAC25-4 Alu

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24,00 €

24,00 € tax excl.***

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SB Acoustics 4" mid/woofer, 25mm VC PFC, SB12PAC25-4 Alu

Special Features

  • Vented reinforced plastic chassis
  • Anodised aluminium cone
  • Low damping rubber surround
  • Large vented motor system
  • Long stroke linear suspension
  • Light weight CCAW voice coil
  • Non-conducting fibreglass coil former
  • Non-resonant long life lead wires

Specifications:

Nominal Impedance4 ΩFree air resonance, Fs52.5 Hz
DC resistance, Re3.1 ΩSensitivity (2.83 V / 1 m)87 dB
Voice coil inductance, Le0.25 mHMechanical Q-factor, Qms5.0
Effective piston area, Sd50 cm2Electrical Q-factor, Qes0.33
Voice coil diameter25.4 mmTotal Q-factor, Qts0.31
Voice coil height15 mmMoving mass incl.air, Mms6.1 g
Air gap height5 mmForce factor, Bl4.35 Tm
Linear coil travel (p-p)10 mmEquivalent volume, Vas5.3 liters
Magnetic flux density1.03 TCompliance, Cms1.50 mm/N
Magnet weight0.40 kgMechanical loss, Rms0.4 kg/s
Net weight0.86 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" mid/woofer, 25mm VC PFC, SB12PAC25-4 Alu

SB Acoustics 4" mid/woofer, 25mm VC PFC, SB12PAC25-4 Alu

SB Acoustics 4" mid/woofer, 25mm VC PFC, SB12PAC25-4 Alu