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SB Acoustics 5x8" Racetrack Woofer - 39mm VC, SB15SFCR39-4

SB15SFCR39-4

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SB Acoustics 5x8" Racetrack Woofer - 39mm VC, SB15SFCR39-4

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45,14 €

37,00 € tax excl.***

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SB Acoustics 5x8" Racetrack Woofer - 39mm VC, SB15SFCR39-4

Special Features

  • Racetrack design
  • Hard paper cone (made in-house)
  • Optimized motor system
  • Non-conductive reinforced vented coil former
  • Symmetric suspension
  • Low damping rubber surround
  • Long life silver lead wires
  • Vented chassis

Specifications:

Nominal Impedance4 ΩFree air resonance, Fs31.5 Hz
DC resistance, Re3.5 ΩSensitivity (2.83 V / 1 m)89.5 dB
Voice coil inductance, Le0.88 mHMechanical Q-factor, Qms7.9
Effective piston area, Sd178 cm2Electrical Q-factor, Qes0.34
Voice coil diameter38.5 mmTotal Q-factor, Qts0.33
Voice coil height17 mmMoving mass incl.air, Mms24 g
Air gap height6 mmForce factor, Bl7.0 Tm
Linear coil travel (p-p)11 mmEquivalent volume, Vas47.7 liters
Magnetic flux density0.94 TCompliance, Cms1.06 mm/N
Magnet weight0.54 kgMechanical loss, Rms0.6 kg/s
Net weight1.65 kgRated power handling*80 W
* IEC 268-5, T/S parameters measured on drive units that are broken in.

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SB Acoustics 5x8" Racetrack Woofer - 39mm VC, SB15SFCR39-4

SB Acoustics 5x8" Racetrack Woofer - 39mm VC, SB15SFCR39-4

SB Acoustics 5x8" Racetrack Woofer - 39mm VC, SB15SFCR39-4