MONACOR SP-252PA

• Sensitivity (1W, 1m, infinite baffle) SPL1W 91.4dB
• Frequency response 55 - 4500Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 55Hz
• Mechanical quality factor QMS 2.13
• Electrical quality factor QES 1.00
• Total quality factor QTS 0.70

Large signal parameters

• Maximum linear excursion xmax 2.5mm
• Air volume displaced at xmax VD 88cm³
• Power handling P 75W
• Program power Pmax 150W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 7.7Ω
• Inductance (1kHz) LE 0.6mH
• VC Diameter 39mm
• Winding material Aluminium

Magnet

• Force factor Bl 9.7N/A
• Motor constant Bl/√RE 3.5N/√W
• Diameter 119mm
• Weight 0.85kg

Diaphragm

• Effective diameter 211mm
• Effective area SD 350cm²
• Moving mass MMS 30g
• Moving mass (without air load) MMD 25.3g

Suspensions

• Stiffness KMS 5.56N/mm
• Compliance CMS 180µm/N
• Equivalent volume to the compliance VAS 30L
• Mechanical resistance RMS 4.87N·s/m

Dimensions

• Nominal diameter 10″
• 255mm
• Overall diameter 255mm
• Baffle cutout diameter 232mm
• Overall depth 110mm
• Flange thickness 0mm
• Mounting depth 110mm
• Volume occupied by the driver (estimated) 1L
• Net weight 2.21kg