MONACOR SP-12A/302PA

• Sensitivity (1W, 1m, infinite baffle) SPL1W 96dB
• Frequency response 50 - 4000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 50Hz
• Mechanical quality factor QMS 7.87
• Electrical quality factor QES 0.35
• Total quality factor QTS 0.34

Large signal parameters

• Maximum linear excursion xmax 5mm
• Air volume displaced at xmax VD 265cm³
• Power handling P 300W
• Program power Pmax 600W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 6.4Ω
• Inductance (1kHz) LE 0.8mH
• VC Diameter 66mm
• Winding material Kapton

Magnet

• Force factor Bl 17N/A
• Motor constant Bl/√RE 6.71N/√W
• Diameter 154mm
• Weight 2.0kg

Diaphragm

• Effective diameter 260mm
• Effective area SD 530cm²
• Moving mass MMS 50g
• Moving mass (without air load) MMD 41.3g

Suspensions

• Stiffness KMS 5.26N/mm
• Compliance CMS 190µm/N
• Equivalent volume to the compliance VAS 77L
• Mechanical resistance RMS 2N·s/m

Dimensions

• Nominal diameter 12″
• 313mm
• Overall diameter 313mm
• Baffle cutout diameter 284mm
• Overall depth 135mm
• Flange thickness 12mm
• Mounting depth 123mm
• Volume occupied by the driver (estimated) 2.3L
• Net weight 5.1kg