Audio Drive
Ref. No  Description Price (Inc. UK V.A.T.)
SB12PAC25-4 SB19ST-000-4/Fabric 19mm Soft Dome Tweeter
£26.99
 
The SB Acoustics SB12PAC25-4 is a 4 inch 4 ohm midwoofer that features a reinforced plastic chassis, a rubber surround and an anodised aluminium cone that offers an extended frequency response with excellent transient response. The SB12PAC25-4 is a high quality feature rich loudspeaker at a sensible price
 
SB12PAC25-4
 

SBA

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
Only £26.99 Qty : SB12PAC25-4 Check out
Specification Sheet
Adobe

 

     
Specifications:    
Nominal Impedance   
4 Ohms
DC resistance,  
Re 3.1 Ohms
Voice coil inductance,   
Le 0.25 mH
Effective piston area,  
Sd 50.0 cm2
Voice coil diameter  
25.4 mm
Voice coil height  
15 mm
Air gap height  
5 mm
Linear coil travel  
(p-p) 10mm
Magnetic Flux Density  
1.03 T
Magnet weight   
400g
 
Moving mass incl. air,  
Mms 6.1 g
Free air resonance,  
Fs 52.5 Hz
Sensitivity (2.83 V / 1 m)  
87.0 dB
Mechanical Q-factor  
Qms 5.0
Electrical Q-factor  
Qes 0.33
Total Q-factor  
Qts 0.31
VAS  
5.3L
Compliance  
Cms 1.50 mm/N
Force factor  
Bl 4.35 Tm
Rated power handling*  
30 W
 
Dimensions
 
Dims
 
Frequency Response
 
FR
 

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