MONACOR SPM-165/8

• Sensitivity (1W, 1m, infinite baffle) SPL1W 88.3dB
• Frequency response 49 - 5000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 49Hz
• Mechanical quality factor QMS 2.70
• Electrical quality factor QES 0.67
• Total quality factor QTS 0.55

Large signal parameters

• Maximum linear excursion xmax 3mm
• Air volume displaced at xmax VD 42cm³
• Power handling P 60W
• Program power Pmax 150W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 7.2Ω
• Inductance (1kHz) LE 0.6mH
• VC Diameter 25.5mm
• Winding material Aluminium

Magnet

• Force factor Bl 5.8N/A
• Motor constant Bl/√RE 2.16N/√W
• Diameter 80mm
• Weight 0.38kg

Diaphragm

• Effective diameter 134mm
• Effective area SD 140cm²
• Moving mass MMS 10.3g
• Moving mass (without air load) MMD 9.1g

Suspensions

• Stiffness KMS 1N/mm
• Compliance CMS 1000µm/N
• Equivalent volume to the compliance VAS 33L
• Mechanical resistance RMS 1.17N·s/m

Dimensions

• Nominal diameter 6.5″
• 159mm
• Overall diameter 159mm
• Baffle cutout diameter 145mm
• Overall depth 78mm
• Flange thickness 5mm
• Mounting depth 73mm
• Volume occupied by the driver (estimated) 0.36L
• Net weight 0.97kg