SB Acoustics 4" mid/woofer, 25mm VC PFC round, SB12PACR25-4

SB12PACR25-4

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SB Acoustics 4" mid/woofer, 25mm VC PFC round, SB12PACR25-4

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29,28 €

24,00 € Без НДС***

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SB Acoustics 4" mid/woofer, 25mm VC PFC round, SB12PACR25-4

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 Impedance 4 Ω
  • DC resistance, Re 3.1 Ω
  • Voice coil inductance, Le 0.25 mH
  • Effective piston area, Sd 50 cm2
  • Voice coil diameter 25.4 mm
  • Voice coil height 15 mm
  • Air gap height 5 mm
  • Linear coil travel (p-p) 10 mm
  • Magnetic flux density 1.03 T
  • Magnet weight 0.40 kg
  • Net weight 0.86 kg
  • Free air resonance, Fs 52.5 Hz
  • Sensitivity (2.83 V / 1 m) 87 dB
  • Mechanical Q-factor, Qms 5.0
  • Electrical Q-factor, Qes 0.33
  • Total Q-factor, Qts 0.31
  • Moving mass incl. air, Mms 6.1 g
  • Force factor, Bl 4.35 Tm
  • Equivalent volume, VAS 5.3 liters
  • Compliance, Cms 1.50 mm/N
  • Mechanical loss, Rms 0.4 kg/s
  • Rated 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 round, SB12PACR25-4

SB Acoustics 4" mid/woofer, 25mm VC PFC round, SB12PACR25-4

SB Acoustics 4" mid/woofer, 25mm VC PFC round, SB12PACR25-4