MONACOR SP-8/150PA

Mid-range

Nominal diameter8″ / 210 mm
Resonance88 Hz
Q factor0.43
Sensitivity93.5 dB
Linear excursion± 1.3 mm
Program Power300 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 93.5dB
  • Frequency response 88 - 8000Hz

Thiele & Small parameters

  • Resonance frequency (free air) fS 88Hz
  • Mechanical quality factor QMS 4.12
  • Electrical quality factor QES 0.48
  • Total quality factor QTS 0.43

Large signal parameters

  • Maximum linear excursion xmax 1.3mm
  • Air volume displaced at xmax VD 27cm³
  • Power handling P 150W
  • Program power Pmax 300W

Voice Coil

  • Nominal impedance Z 8Ω
  • DC resistance RE 6.9Ω
  • Inductance (1kHz) LE 0.6mH
  • VC Diameter 50mm
  • Winding material Kapton

Magnet

  • Force factor Bl 12.6N/A
  • Motor constant Bl/√RE 4.8N/√W
  • Diameter 140mm
  • Weight 1.1kg

Diaphragm

  • Effective diameter 167mm
  • Effective area SD 219cm²
  • Moving mass MMS 20g
  • Moving mass (without air load) MMD 17.6g

Suspensions

  • Stiffness KMS 6.25N/mm
  • Compliance CMS 160µm/N
  • Equivalent volume to the compliance VAS 12L
  • Mechanical resistance RMS 2.68N·s/m

Dimensions

  • Nominal diameter 8
  • 210mm
  • Overall diameter 210mm
  • Baffle cutout diameter 185mm
  • Overall depth 98mm
  • Flange thickness 8mm
  • Mounting depth 90mm
  • Volume occupied by the driver (estimated) 1L
  • Net weight 2.965kg
MONACOR SP-8/150PA SPL & Impedance
MONACOR SP-8/150PA Dimensions

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