BMS 5S117

16Ω

Mid-range

Nominal diameter5″ / 128 mm
Resonance95 Hz
Q factor0.42
Sensitivity89.3 dB
Linear excursion± 5 mm
Program Power260 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 89.3dB
  • Frequency response 80 - 4000Hz

Thiele & Small parameters

  • Resonance frequency (free air) fS 95Hz
  • Mechanical quality factor QMS 3.30
  • Electrical quality factor QES 0.49
  • Total quality factor QTS 0.42

Large signal parameters

  • Maximum linear excursion xmax 5mm
  • Air volume displaced at xmax VD 43cm³
  • Power handling P 130W
  • Program power Pmax 260W

Voice Coil

  • Nominal impedance Z 16Ω
  • DC resistance RE 11.4Ω
  • Inductance (1kHz) LE 0.58mH
  • VC Diameter 38mm
  • Winding height HVC 15mm
  • Winding material Copper

Magnet

  • Force factor Bl 11.3N/A
  • Motor constant Bl/√RE 3.35N/√W
  • Air gap height HAG 5mm
  • Material Ferrite

Diaphragm

  • Effective diameter 105mm
  • Effective area SD 85cm²
  • Moving mass MMS 8.9g
  • Moving mass (without air load) MMD 8.3g

Suspensions

  • Stiffness KMS 3.23N/mm
  • Compliance CMS 310µm/N
  • Equivalent volume to the compliance VAS 3.25L
  • Mechanical resistance RMS 1.61N·s/m

Dimensions

  • Nominal diameter 5
  • 128mm
  • Overall diameter 128mm
  • Baffle cutout diameter 117mm
  • Overall depth 75mm
  • Volume occupied by the driver (estimated) 0.42L
  • Net weight 1.56kg
  • Frame material Cast Aluminum
BMS 5S117 Impedance
BMS 5S117 SPL & Distortion
BMS 5S117 Dimensions

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