SB15NRXC30-8 5" Midrange Woofer

The goal of SB Acoustics with their NRX series of performance drivers has been to design a simple, yet optimized speaker driver at a competitive price to achieve a high performance to cost ratio for their customers who appreciate premium quality audio. To
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Highlights

  • Vented cast aluminum chassis for optimum strength and low compression
  • Proprietary cone material with natural fibers made in-house
  • Soft low damping rubber surround for improved transient response
  • Non-conducting fiberglass 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

 

Product details

SB Acoustics SB15NRXC30-8 5" Midrange Woofer

 

Papyrus cone with an optional thin polyurethane protection coating. Low damping SBR rubber surround with high exertion and resilience. Open structure cast frame for reduced reflections and compression. Aluminum alloy for light weight, non-magnetic and extra rigidity. Shorting Copper cap on pole piece. Non-inductive CCAW fiber glass 30mm coil former. Silver lead wires. Vented pole piece.

 

The goal of SB Acoustics with their NRX series of performance drivers has been to design a simple, yet optimized speaker driver at a competitive price to achieve a high performance to cost ratio for their customers who appreciate premium quality audio. To that end, close attention has been payed to design engineering with manufacturing materials and processes to optimize performance.

SISB15NRXC308

Data sheet

Impedance
8 Ohm
Driver type
Midwoofer
Sensitivity
88 dB 2.83V/1m
Resonance frequency (fs)
38 Hz
DC resistance (Re)
5.7 ohms
Mechanical Q (Qms)
4.8
Electrical Q at Fs (Qes)
0.35
Total Q factor (Qts)
0.33
Speaker diameter
5"
Voice coil inductance (L)
0.14 mH
Effective mechanical mass incl air load (mms)
8.1 g
Effective piston radiating area (Sd)
82 cm2
Force factor (BL)
5.6 Tm
Equivalent volume of compliance (Vas)
0.73 ft.³