MONACOR SP-300P

• Sensitivity (1W, 1m, infinite baffle) SPL1W 93.4dB
• Frequency response 30 - 4000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 30Hz
• Mechanical quality factor QMS 1.74
• Electrical quality factor QES 0.37
• Total quality factor QTS 0.31

Large signal parameters

• Maximum linear excursion xmax 2.5mm
• Air volume displaced at xmax VD 124cm³
• Power handling P 100W
• Program power Pmax 200W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 6.5Ω
• Inductance (1kHz) LE 0.8mH
• VC Diameter 50mm
• Winding material Aluminium

Magnet

• Force factor Bl 11.7N/A
• Motor constant Bl/√RE 4.59N/√W
• Diameter 145mm
• Weight 1.2kg

Diaphragm

• Effective diameter 251mm
• Effective area SD 495cm²
• Moving mass MMS 42g
• Moving mass (without air load) MMD 34g

Suspensions

• Stiffness KMS 1.3N/mm
• Compliance CMS 770µm/N
• Equivalent volume to the compliance VAS 266L
• Mechanical resistance RMS 4.55N·s/m

Dimensions

• Nominal diameter 12″
• 310mm
• Overall diameter 310mm
• Baffle cutout diameter 275mm
• Overall depth 140mm
• Flange thickness 10mm
• Mounting depth 130mm
• Volume occupied by the driver (estimated) 1.8L
• Net weight 3.4kg