MONACOR SPM-200X/4

• Sensitivity (1W, 1m, infinite baffle) SPL1W 92.1dB
• Frequency response 89 - 15000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 89Hz
• Mechanical quality factor QMS 2.69
• Electrical quality factor QES 1.52
• Total quality factor QTS 0.97

Large signal parameters

• Maximum linear excursion xmax 1mm
• Air volume displaced at xmax VD 20cm³
• Power handling P 30W
• Program power Pmax 60W

Voice Coil

• Nominal impedance Z 4Ω
• DC resistance RE 3.7Ω
• Inductance (1kHz) LE 0.2mH
• VC Diameter 25mm
• Winding material Aluminium

Magnet

• Force factor Bl 3.9N/A
• Motor constant Bl/√RE 2.03N/√W
• Diameter 70mm
• Weight 0.229kg

Diaphragm

• Effective diameter 160mm
• Effective area SD 201cm²
• Moving mass MMS 9.9g
• Moving mass (without air load) MMD 7.8g

Suspensions

• Stiffness KMS 3.7N/mm
• Compliance CMS 270µm/N
• Equivalent volume to the compliance VAS 14.9L
• Mechanical resistance RMS 2.06N·s/m

Dimensions

• Nominal diameter 8″
• 205mm
• Overall diameter 205mm
• Baffle cutout diameter 184mm
• Overall depth 82mm
• Flange thickness 6mm
• Mounting depth 76mm
• Volume occupied by the driver (estimated) 0.37L
• Net weight 0.734kg