SB Acoustics 4" mid/woofer, 25mm VC, Coaxial PAC, SB12PACR25-4-COAX Round basket
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  • SB Acoustics 4" mid/woofer, 25mm VC, Coaxial PAC, SB12PACR25-4-COAX Round basket
  • SB Acoustics 4" mid/woofer, 25mm VC, Coaxial PAC, SB12PACR25-4-COAX Round basket
  • SB Acoustics 4" mid/woofer, 25mm VC, Coaxial PAC, SB12PACR25-4-COAX Round basket

SB Acoustics 4" mid/woofer, 25mm VC, Coaxial PAC, SB12PACR25-4-COAX Round basket

SB12PACR25-4-COAX
51,00 € Maksudeta
62.22 € tax incl. for EU buyers

SB Acoustics 4" mid/woofer, 25mm VC, Coaxial PAC, SB12PACR25-4-COAX Round basket

Kogus
Laos

SB Acoustics 4" mid/woofer, 25mm VC, Coaxial PAC, SB12PACR25-4-COAX Round basket

Special Features

  • Vented reinforced plastic chassis
  • Anodised aluminium cone
  • Soft low damping rubber surround for improved transient response
  • Large motor system
  • Long stroke linear suspension
  • Light weight CCAW voice coil
  • Non-conducting fibreglass coil former
  • Non-resonant long life lead wires
  • Compact large surround dome tweeter

Woofer specifications:

Nominal Impedance 4 Ω Free air resonance, Fs 55 Hz
DC resistance, Re 3.1 Ω Sensitivity (2.83V/1m) 87.5 dB
Voice coil inductance, Le 0.24 mH Mechanical Q-factor, Qms 4.84
Effective piston area, Sd 45cm 2 Electrical Q-factor, Qes 0.38
Voice coil diameter 25.4 mm Total Q-factor, Qts 0.35
Voice coil height 15 mm Moving mass incl. air, Mms 5.6 g
Air gap height 5 mm Force factor, Bl 4.0 Tm
Linear coil travel (p-p) 10 mm Equivalent volume, Vas 4.3 liters
Magnetic flux density 1.03 T Compliance, Cms 1.49 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) 87.5 dB
Rated power handling* 10 W
Magnetic flux density 0.97 T
Magnet weight 0.003 kg
Net weight 0.014 kg
* IEC 268-5, high-pass Butterworth, 3 kHz, 12 dB/oct.
SB Acoustics
SB12PACR25-4-COAX
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