MONACOR SPH-30X/8SW

Full-range

Nominal diameter3″ / 81 mm
Resonance105 Hz
Q factor0.42
Sensitivity86 dB
Linear excursion± 2 mm
Program Power50 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 86dB
  • Frequency response 105 - 17000Hz

Thiele & Small parameters

  • Resonance frequency (free air) fS 105Hz
  • Mechanical quality factor QMS 8.59
  • Electrical quality factor QES 0.49
  • Total quality factor QTS 0.42

Large signal parameters

  • Maximum linear excursion xmax 2mm
  • Air volume displaced at xmax VD 6cm³
  • Power handling P 20W
  • Program power Pmax 50W

Voice Coil

  • Nominal impedance Z 8Ω
  • DC resistance RE 5.7Ω
  • Inductance (1kHz) LE 0.5mH
  • VC Diameter 21mm
  • Winding material Kapton

Magnet

  • Force factor Bl 4.48N/A
  • Motor constant Bl/√RE 1.88N/√W

Diaphragm

  • Effective diameter 62mm
  • Effective area SD 30cm²
  • Moving mass MMS 2.65g
  • Moving mass (without air load) MMD 2.5g

Suspensions

  • Stiffness KMS 1.11N/mm
  • Compliance CMS 900µm/N
  • Equivalent volume to the compliance VAS 1.3L
  • Mechanical resistance RMS 0.2N·s/m

Dimensions

  • Nominal diameter 3
  • 81 x 81mm
  • Overall size 81 x 81mm
  • Baffle cutout diameter 73mm
  • Overall depth 42mm
  • Flange thickness 1mm
  • Mounting depth 41mm
  • Volume occupied by the driver (estimated) 0.11L
  • Net weight 0.141kg
MONACOR SPH-30X/8SW SPL & Impedance
MONACOR SPH-30X/8SW Dimensions

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