MONACOR SPP-110/8

• Sensitivity (1W, 1m, infinite baffle) SPL1W 86.2dB
• Frequency response 55 - 8000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 55Hz
• Mechanical quality factor QMS 2.01
• Electrical quality factor QES 0.46
• Total quality factor QTS 0.37

Large signal parameters

• Maximum linear excursion xmax 2mm
• Air volume displaced at xmax VD 11cm³
• Power handling P 30W
• Program power Pmax 60W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 6.5Ω
• Inductance (1kHz) LE 0.4mH
• VC Diameter 25mm
• Winding material Aluminium

Magnet

• Force factor Bl 4.6N/A
• Motor constant Bl/√RE 1.8N/√W
• Diameter 80mm
• Weight 0.28kg

Diaphragm

• Effective diameter 84mm
• Effective area SD 55cm²
• Moving mass MMS 4.4g
• Moving mass (without air load) MMD 4.1g

Suspensions

• Stiffness KMS 0.529N/mm
• Compliance CMS 1890µm/N
• Equivalent volume to the compliance VAS 8L
• Mechanical resistance RMS 0.76N·s/m

Dimensions

• Nominal diameter 4″
• 110 x 110mm
• Overall size 110 x 110mm
• Baffle cutout diameter 100mm
• Overall depth 60mm
• Flange thickness 1mm
• Mounting depth 59mm
• Volume occupied by the driver (estimated) 0.23L
• Net weight 0.9kg