MONACOR SPH-5M

Mid-range

Nominal diameter5.5″ / 150 mm
Resonance45 Hz
Q factor0.41
Sensitivity85.6 dB
Linear excursion± 3.5 mm
Program Power80 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 85.6dB
  • Frequency response 45 - 4000Hz

Thiele & Small parameters

  • Resonance frequency (free air) fS 45Hz
  • Mechanical quality factor QMS 2.89
  • Electrical quality factor QES 0.47
  • Total quality factor QTS 0.41

Large signal parameters

  • Maximum linear excursion xmax 3.5mm
  • Air volume displaced at xmax VD 33cm³
  • Power handling P 40W
  • Program power Pmax 80W

Voice Coil

  • Nominal impedance Z 8Ω
  • DC resistance RE 6.3Ω
  • Inductance (1kHz) LE 0.54mH
  • VC Diameter 25mm
  • Winding material Aluminium

Magnet

  • Force factor Bl 6.42N/A
  • Motor constant Bl/√RE 2.56N/√W
  • Diameter 100mm
  • Weight 0.62kg

Diaphragm

  • Effective diameter 110mm
  • Effective area SD 95cm²
  • Moving mass MMS 11.7g
  • Moving mass (without air load) MMD 11g

Suspensions

  • Stiffness KMS 0.943N/mm
  • Compliance CMS 1060µm/N
  • Equivalent volume to the compliance VAS 13.5L
  • Mechanical resistance RMS 1.15N·s/m

Dimensions

  • Nominal diameter 5.5
  • 150mm
  • Overall diameter 150mm
  • Baffle cutout diameter 121mm
  • Overall depth 75mm
  • Flange thickness 5mm
  • Mounting depth 70mm
  • Volume occupied by the driver (estimated) 0.41L
  • Net weight 1.305kg
MONACOR SPH-5M SPL & Impedance
MONACOR SPH-5M Dimensions

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