SB Acoustics 4" mid/woofer, 25mm VC, Coaxial PFCR, SB12PFCR25-4-Coax Round basket
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  • SB Acoustics 4" mid/woofer, 25mm VC, Coaxial PFCR, SB12PFCR25-4-Coax Round basket
  • SB Acoustics 4" mid/woofer, 25mm VC, Coaxial PFCR, SB12PFCR25-4-Coax Round basket
  • SB Acoustics 4" mid/woofer, 25mm VC, Coaxial PFCR, SB12PFCR25-4-Coax Round basket

SB Acoustics 4" mid/woofer, 25mm VC, Coaxial PFCR, SB12PFCR25-4-Coax Round basket

SB12PFCR25-4-Coax
40,00 € Без НДС
48.80 € с НДС для покупателей из ЕС

SB Acoustics 4" mid/woofer, 25mm VC, Coaxial PFCR, SB12PFCR25-4-Coax Round basket

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SB Acoustics 4" mid/woofer, 25mm VC, Coaxial PFC, SB12PFCR25-4-Coax Round basket

Special Features

  • Vented reinforced plastic chassis
  • Proprietary cone material with natural fibers made in-house
  • Soft low damping rubber surround for improved transient response
  • Optimized motor system
  • Non-resonant long life lead wires
  • Compact large surround dome tweeter

Woofer specifications:

Nominal Impedance 4 Ω Free air resonance, Fs 58 Hz
DC resistance, Re 3.1 Ω Sensitivity (2.83V/1m) 87 dB
Voice coil inductance, Le 0.26 mH Mechanical Q-factor, Qms 4.07
Effective piston area, Sd 45cm 2 Electrical Q-factor, Qes 0.36
Voice coil diameter 25.4 mm Total Q-factor, Qts 0.33
Voice coil height 15 mm Moving mass incl. air, Mms 4.5 g
Air gap height 5 mm Force factor, Bl 3.8 Tm
Linear coil travel (p-p) 10 mm Equivalent volume, Vas 4.8 liters
Magnetic flux density 1.0 T Compliance, Cms 1.66 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.

Tweeter specifications:

Nominal Impedance 4 Ω
DC resistance, Re 3.0 Ω
Voice coil diameter 12.4 mm
Voice coil height 1.2 mm
Air gap height 1.5 mm
Free air resonance, Fs 1300 Hz
Sensitivity (2.83V/1m) 89 dB
Rated power handling* 10 W
Magnetic flux density 1.05 T
Magnet weight 0.003 kg
Net weight 0.014 kg
* IEC 268-5, high-pass Butterworth, 3 kHz, 12 dB/oct.
SB Acoustics
SB12PFCR25-4-Coax
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