SB Acoustics 4" mid/woofer, 25mm VC, ceramic cone, SB12CACS25-4
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  • SB Acoustics 4" mid/woofer, 25mm VC, ceramic cone, SB12CACS25-4
  • SB Acoustics 4" mid/woofer, 25mm VC, ceramic cone, SB12CACS25-4
  • SB Acoustics 4" mid/woofer, 25mm VC, ceramic cone, SB12CACS25-4

SB Acoustics 4" mid/woofer, 25mm VC, ceramic cone, SB12CACS25-4

SB12CACS25-4
46,85 € Без НДС
57.16 € с НДС для покупателей из ЕС

SB Acoustics 4" mid/woofer, 25mm VC, ceramic cone, SB12CACS25-4

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SB Acoustics 4" mid/woofer, 25mm VC, ceramic cone, SB12CACS25-4

Special Features

  • Vented cast aluminum chassis for optimum strength and low compression
  • Geometrically reinforced ceramic cone for optimum piston operation and reduced break-up
  • Soft low damping rubber surround for improved transient response
  • Non-conducting fibre glass voice coil former for minimum damping
  • Extended copper sleeve on pole piece for low inductance and low distortion
  • CCAW voice coil for reduced moving mass
  • Long life silver lead wires
  • Vented pole piece for reduced compression

Specifications:

Nominal Impedance 4 Ω Free air resonance, Fs 51 Hz
DC resistance, Re 3.1 Ω Sensitivity (2.83 V / 1 m) 88 dB
Voice coil inductance, Le 0.26 mH Mechanical Q-factor, Qms 4.89
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 4.3 Tm
Linear coil travel (p-p) 10 mm Equivalent volume, Vas 5.7 liters
Magnetic flux density 1.07 T Compliance, Cms 1.6 mm/N
Magnet weight 0.40 kg Mechanical loss, Rms 0.4 kg/s
Net weight 0.92 kg Rated power handling* 30 W
* IEC 268-5, T/S parameters measured on drive units that are broken in.
SB Acoustics
SB12CACS25-4
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