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

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

SB12PAC25-4
22,00 € Без НДС
26.84 € с НДС для покупателей из ЕС

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

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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 Impedance 4 Ω Free air resonance, Fs 52.5 Hz
DC resistance, Re 3.1 Ω Sensitivity (2.83 V / 1 m) 87 dB
Voice coil inductance, Le 0.25 mH Mechanical Q-factor, Qms 5.0
Effective piston area, Sd 50 cm2 Electrical Q-factor, Qes 0.33
Voice coil diameter 25.4 mm Total Q-factor, Qts 0.31
Voice coil height 15 mm Moving mass incl.air, Mms 6.1 g
Air gap height 5 mm Force factor, Bl 4.35 Tm
Linear coil travel (p-p) 10 mm Equivalent volume, Vas 5.3 liters
Magnetic flux density 1.03 T Compliance, Cms 1.50 mm/N
Magnet weight 0.40 kg Mechanical loss, Rms 0.4 kg/s
Net weight 0.86 kg Rated power handling* 30 W
* IEC 268-5, T/S parameters measured on drive units that are broken in.
SB Acoustics
SB12PAC25-4
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