SB Acoustics SB29NRX75-6

Woofer

Nominal diameter10″ / 254 mm
Resonance21 Hz
Q factor0.35
Sensitivity85.7 dB
Linear excursion± 11 mm
Program Power400 W
Driver
Port
Combined
Frequency response
Hz
Impedance
Ω
Impedance Phase
°
Excursion
mm
Velocity
m/s
SPL
dB
Acoustical Phase
°
Group Delay
ms
Transient response
ms
Discard
Apply
  • Sensitivity (1W, 1m, infinite baffle) SPL1W 85.7dB

Thiele & Small parameters

  • Resonance frequency (free air) fS 21Hz
  • Mechanical quality factor QMS 5.70
  • Electrical quality factor QES 0.38
  • Total quality factor QTS 0.35

Large signal parameters

  • Maximum linear excursion xmax 11mm
  • Air volume displaced at xmax VD 343cm³
  • Power handling P 200W
  • Program power Pmax 400W

Voice Coil

  • Nominal impedance Z 6Ω
  • DC resistance RE 4.2Ω
  • Inductance (1kHz) LE 1.8mH
  • VC Diameter 75.6mm
  • Winding height HVC 28mm

Magnet

  • Flux density B 0.9T
  • Force factor Bl 10.7N/A
  • Motor constant Bl/√RE 5.22N/√W
  • Air gap height HAG 6mm
  • Weight 2.1kg

Diaphragm

  • Effective diameter 199mm
  • Effective area SD 312cm²
  • Moving mass MMS 78g
  • Moving mass (without air load) MMD 73.9g

Suspensions

  • Stiffness KMS 1.35N/mm
  • Compliance CMS 740µm/N
  • Equivalent volume to the compliance VAS 102L
  • Mechanical resistance RMS 1.8N·s/m

Dimensions

  • Nominal diameter 10
  • 254mm
  • Volume occupied by the driver (estimated) 2.3L
  • Net weight 5.3kg
SB Acoustics SB29NRX75-6 SPL & Impedance
SB Acoustics SB29NRX75-6 Dimensions

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