SB12MNRX2-25-4 4" Midrange Woofer

SB Acoustics Midrange Woofer is an excellent SB Acoustics Ferrite magnet midrange/midwoofer, featuring a high damping Butyl rubber surround for non-resonant sound character.
59,95 €
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Highlights

  • Proprietary cone material with natural fibres made in-house
  • Shortened voice coil optimized for pure midrange reproduction
  • High damping Butyl rubber surround for non-resonant sound character
  • Vented pole piece for reduced compression
  • Vented cast aluminium chassis for optimum strength and low compression
  • CCAW voice coil for reduced moving mass
  • Long life silver lead wires
  • Non-conducting fibre glass coil former for minimum damping

 

Product details

SB Acoustics SB12MNRX2-25-4 4" Midrange Woofer

 

SB Acoustics Midrange Woofer is an excellent SB Acoustics Ferrite magnet midrange/midwoofer, featuring a high damping Butyl rubber surround for non-resonant sound character. Fitted with a proprietary cone material with natural fibres made in0house, 1" voice coil. Very good vented cast aluminium chassis for optimum strength and low compression. Fs 58 Hz, good level extended response up to 5KHz.

SISB12MNRX2254

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Impedance
4 Ohm
Driver type
Midwoofer
Sensitivity
91 dB
Frequency range
-
Resonance frequency (fs)
58 Hz
DC resistance (Re)
3.2 ohms
Mechanical Q (Qms)
3.60
Electrical Q at Fs (Qes)
0.29
Total Q factor (Qts)
0.27
Speaker diameter
4"
Power handling
-
Voice coil inductance (L)
0.15 mH
Effective mechanical mass incl air load (mms)
4.1 g
Effective piston radiating area (Sd)
50 cm2
Force factor (BL)
4.1 Tm
Equivalent volume of compliance (Vas)
6.3 L
Overall diameter
123 mm
Mounting diameter
-