MONACOR SPH-200CTC

• Sensitivity (1W, 1m, infinite baffle) SPL1W 86.5dB
• Frequency response 22 - 4000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 22Hz
• Mechanical quality factor QMS 4.91
• Electrical quality factor QES 0.23
• Total quality factor QTS 0.22

Large signal parameters

• Maximum linear excursion xmax 3.8mm
• Air volume displaced at xmax VD 80cm³
• Power handling P 120W
• Program power Pmax 200W

Voice Coil

• Nominal impedance Z 2 x 8Ω
• DC resistance (in series) RE 13.6Ω
• Inductance (1kHz, in series) LE 4mH
• VC Diameter 50mm
• Winding material Kapton

Magnet

• Force factor (in series) Bl 18N/A
• Motor constant Bl/√RE 4.88N/√W
• Diameter 120mm
• Weight 0.84kg

Diaphragm

• Effective diameter 165mm
• Effective area SD 214cm²
• Moving mass MMS 45g
• Moving mass (without air load) MMD 42.7g

Suspensions

• Stiffness KMS 0.862N/mm
• Compliance CMS 1160µm/N
• Equivalent volume to the compliance VAS 75L
• Mechanical resistance RMS 1.27N·s/m

Dimensions

• Nominal diameter 8″
• 211mm
• Overall diameter 211mm
• Baffle cutout diameter 181mm
• Overall depth 115mm
• Flange thickness 11mm
• Mounting depth 104mm
• Volume occupied by the driver (estimated) 1.1L
• Net weight 2.8kg