SB23NRXS45-4 8" Woofer

The SB Acoustics SB23NRXS45-4 woofer has a proprietary composition paper cone made in-house and a rigid cast frame with ventilated spider and large vented pole piece. A low damping rubber surround assures decent midrange reproduction. A shorting ring is u

113,95 €
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Highlights

  • Soft low-damping rubber surround for improved transient response
  • Shorting ring in-motor system for reduced distortion
  • Vented pole piece for reduced compression
  • Vented cast-aluminum chassis for optimum strength and low compression
  • Shallow design (3-1/8" depth)
  • Non-conducting fiberglass voice coil former for minimum damping
  • CCAW voice coil for reduced moving mass
  • Long-life silver lead-wire

 

Product details

SB Acoustics SB23NRXS45-4 8" Woofer

 

The SB Acoustics SB23NRXS45-4 woofer has a proprietary composition paper cone made in-house and a rigid cast frame with ventilated spider and large vented pole piece. A low damping rubber surround assures decent midrange reproduction. A shorting ring is used in the motor to reduce intermodulation distortion and improve inductance symmetry. This woofer has a large 1.75" diameter voice coil with 6.5mm x-max on a non-inductive fiberglass former.

SISB23NRXS454

Adatlap

Impedance
4 Ohm
Driver type
Midwoofer
Sensitivity
92 dB 2.83V/1m
Resonance frequency (fs)
27 Hz
DC resistance (Re)
3.3 ohms
Mechanical Q (Qms)
5.55
Electrical Q at Fs (Qes)
0.32
Total Q factor (Qts)
0.3
Speaker diameter
8"
Voice coil inductance (L)
0.29 mH
Effective mechanical mass incl air load (mms)
27.2 g
Effective piston radiating area (Sd)
216 cm2
Force factor (BL)
6.9 Tm
Equivalent volume of compliance (Vas)
3.09 ft.³