MONACOR SP-150

• Sensitivity (1W, 1m, infinite baffle) SPL1W 90.2dB
• Frequency response 35 - 4000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 35Hz
• Mechanical quality factor QMS 2.83
• Electrical quality factor QES 0.61
• Total quality factor QTS 0.50

Large signal parameters

• Maximum linear excursion xmax 2.5mm
• Air volume displaced at xmax VD 32cm³
• Power handling P 30W
• Program power Pmax 60W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 6.5Ω
• Inductance (1kHz) LE 0.45mH
• VC Diameter 25.5mm
• Winding material Aluminium

Magnet

• Force factor Bl 7.5N/A
• Motor constant Bl/√RE 2.94N/√W
• Diameter 100mm
• Weight 0.38kg

Diaphragm

• Effective diameter 127mm
• Effective area SD 127cm²
• Moving mass MMS 10.4g
• Moving mass (without air load) MMD 9.3g

Suspensions

• Stiffness KMS 0.641N/mm
• Compliance CMS 1560µm/N
• Equivalent volume to the compliance VAS 35L
• Mechanical resistance RMS 0.81N·s/m

Dimensions

• Nominal diameter 6″
• 170mm
• Overall diameter 170mm
• Baffle cutout diameter 145mm
• Overall depth 75mm
• Flange thickness 10mm
• Mounting depth 65mm
• Volume occupied by the driver (estimated) 0.42L
• Net weight 1.215kg