SB Acoustics SB12PACR25-4-COAX
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SB Acoustics SB12PACR25-4-COAX

 

Original price was: 730,0 kr.Current price is: 694,0 kr. 694,0 kr

SB Acoustics SB12PACR25-4-COAX Coaxial Woofer Aluminum Cone

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SKU: SB12PACR25-4-COAX. Categories: , . Tags: , . Brand:

Description

Highlights

 

  • Vented reinforced plastic chassis
  • Anodised aluminium cone
  • Low damping rubber surround
  • 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

 

Additional information

Weight 1 kg

Specifications

Technical Specifications

pdf datasheet

SPECS WOOFER:

  • Nominal Impedance 4 Ω
  • DC resistance, Re 3.1 Ω
  • Voice coil inductance, Le 0.25 mH
  • Effective piston area, Sd 45 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 55 Hz
  • Sensitivity (2.83V/1m) 87.5 dB
  • Mechanical Q-factor, Qms 4.84
  • Electrical Q-factor, Qes 0.38
  • Total Q-factor, Qts 0.35
  • Moving mass incl. air,Mms 5.6 g
  • Force factor, Bl 4.0 Tm
  • Equivalent volume, Vas 4.3 liters
  • Compliance, Cms 1.49 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.

 

SPECS TWEETER:

  • 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

 

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