MONACOR SP-30

• Sensitivity (1W, 1m, infinite baffle) SPL1W 86.7dB
• Frequency response 150 - 15000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 150Hz
• Mechanical quality factor QMS 2.50
• Electrical quality factor QES 1.04
• Total quality factor QTS 0.73

Large signal parameters

• Maximum linear excursion xmax 1.5mm
• Air volume displaced at xmax VD 4.7cm³
• Power handling P 5W
• Program power Pmax 10W

Voice Coil

• Nominal impedance Z 4Ω
• DC resistance RE 3.5Ω
• Inductance (1kHz) LE 0.18mH
• VC Diameter 20mm
• Winding material Aluminium

Magnet

• Force factor Bl 2.33N/A
• Motor constant Bl/√RE 1.25N/√W
• Diameter 60mm
• Weight 0.15kg

Diaphragm

• Effective diameter 63mm
• Effective area SD 31cm²
• Moving mass MMS 1.7g
• Moving mass (without air load) MMD 1.6g

Suspensions

• Stiffness KMS 1.92N/mm
• Compliance CMS 520µm/N
• Equivalent volume to the compliance VAS 0.7L
• Mechanical resistance RMS 0.64N·s/m

Dimensions

• Nominal size 3 x 3″
• 78 x 78mm
• Overall size 78 x 78mm
• Baffle cutout diameter 73mm
• Overall depth 40mm
• Flange thickness 2mm
• Mounting depth 38mm
• Volume occupied by the driver (estimated) 0.11L
• Net weight 0.3kg