MONACOR SP-60/4

• Sensitivity (1W, 1m, infinite baffle) SPL1W 86.1dB
• Frequency response 65 - 8000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 65Hz
• Mechanical quality factor QMS 2.10
• Electrical quality factor QES 0.64
• Total quality factor QTS 0.49

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 4Ω
• DC resistance RE 3.3Ω
• Inductance (1kHz) LE 0.2mH
• VC Diameter 25.5mm
• Winding material Aluminium

Magnet

• Force factor Bl 2.9N/A
• Motor constant Bl/√RE 1.6N/√W
• Diameter 80mm
• Weight 0.28kg

Diaphragm

• Effective diameter 84mm
• Effective area SD 55cm²
• Moving mass MMS 4g
• Moving mass (without air load) MMD 3.7g

Suspensions

• Stiffness KMS 1.25N/mm
• Compliance CMS 800µm/N
• Equivalent volume to the compliance VAS 6L
• Mechanical resistance RMS 0.78N·s/m

Dimensions

• Nominal diameter 4″
• 105 x 105mm
• Overall size 105 x 105mm
• Baffle cutout diameter 96mm
• Overall depth 60mm
• Flange thickness 0mm
• Mounting depth 60mm
• Volume occupied by the driver (estimated) 0.18L
• Net weight 0.654kg