MONACOR SPA-112PA

• Sensitivity (1W, 1m, infinite baffle) SPL1W 94.5dB
• Frequency response 53 - 4000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 53Hz
• Mechanical quality factor QMS 11.39
• Electrical quality factor QES 0.52
• Total quality factor QTS 0.50

Large signal parameters

• Maximum linear excursion xmax 4mm
• Air volume displaced at xmax VD 212cm³
• Power handling P 200W
• Program power Pmax 400W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 5.4Ω
• Inductance (1kHz) LE 0.9mH
• VC Diameter 65mm
• Winding material Kapton

Magnet

• Force factor Bl 12N/A
• Motor constant Bl/√RE 5.16N/√W
• Diameter 156mm
• Weight 1.4kg

Diaphragm

• Effective diameter 260mm
• Effective area SD 530cm²
• Moving mass MMS 44g
• Moving mass (without air load) MMD 35.3g

Suspensions

• Stiffness KMS 5N/mm
• Compliance CMS 200µm/N
• Equivalent volume to the compliance VAS 77L
• Mechanical resistance RMS 1.29N·s/m

Dimensions

• Nominal diameter 12″
• 312mm
• Overall diameter 312mm
• Baffle cutout diameter 281mm
• Overall depth 128mm
• Flange thickness 12mm
• Mounting depth 116mm
• Volume occupied by the driver (estimated) 2L
• Net weight 4.4kg