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S8 Acoustics 5 SB15NRXC30 Midwoofer 4 Ohm

sbacoustics.com/product/5in-sb15nrxc30-4/
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S8 Acoustics 5 SB15NRXC30 Midwoofer 4 Ohm
S8 Acoustics 5 SB15NRXC30 Midwoofer

Key features
  • 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 fiber glass 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

Short data

Usage as Bass-Midrange
Power Handling 50 Watt
Impedance 4 Ohm
 
Frequency from 150 Hz
Max. Frequency 5 kHz
Sound pressure 91 dB

Chassis-data

Overall dimensions 150 mm
Baffle cutout 123.9 mm
Depth (Total) 78.9 mm
Frame Material Aluminium diecast
 
Voice coil Ø 30.5 mm
Voice coil height 15 mm
Air gap height 5 mm
Magnet Ø 100 mm
Magnet-weight 540 g
Magnet-inductance 1.0 T

Thiele-Small-Parameter

Resonance fs fs: 41 Hz
Mechanical Q Qms: 5.3
Electrical Q Qes: 0.31
Total Q Qts: 0.29
Equivalent Air-Volumen Vas: 16.7 Liter
DC-Resistance Re: 3.1 Ohm
Coil Inductance Le: 0.12 mH
 
Mech. Compliance Cms: 1.75 mm/N
Moving Mass Mms: 8.6 g
mech. Resistance Rms: 0.42 kg/s-¹
Max. Excursion +/- Xmax: 10 mm
BL Product Bl: 4.7 N/A
Membrane Area Sd: 82 cm²
Sound pressure dB: 91 SPL

Frequency & Impedance

Technical Dimensions

PDF-Product information

Productinfo (EN)

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