MONACOR SP-302E

• Sensitivity (1W, 1m, infinite baffle) SPL1W 91.9dB
• Frequency response 39 - 5500Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 39Hz
• Mechanical quality factor QMS 4.24
• Electrical quality factor QES 0.87
• Total quality factor QTS 0.72

Large signal parameters

• Maximum linear excursion xmax 4mm
• Air volume displaced at xmax VD 207cm³
• Power handling P 100W
• Program power Pmax 200W

Voice Coil

• Nominal impedance Z 4Ω
• DC resistance RE 3.6Ω
• Inductance (1kHz) LE 1.1mH
• VC Diameter 50mm
• Winding material Aluminium

Magnet

• Force factor Bl 6.63N/A
• Motor constant Bl/√RE 3.49N/√W
• Diameter 125mm
• Weight 0.96kg

Diaphragm

• Effective diameter 257mm
• Effective area SD 518cm²
• Moving mass MMS 40g
• Moving mass (without air load) MMD 31.7g

Suspensions

• Stiffness KMS 2.56N/mm
• Compliance CMS 390µm/N
• Equivalent volume to the compliance VAS 141L
• Mechanical resistance RMS 2.31N·s/m

Dimensions

• Nominal diameter 12″
• 304mm
• Overall diameter 304mm
• Baffle cutout diameter 281mm
• Overall depth 118mm
• Flange thickness 4mm
• Mounting depth 114mm
• Volume occupied by the driver (estimated) 1.3L
• Net weight 2.6kg