MONACOR SP-380PA

• Sensitivity (1W, 1m, infinite baffle) SPL1W 93.3dB
• Frequency response 38 - 3500Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 38Hz
• Mechanical quality factor QMS 3.68
• Electrical quality factor QES 0.64
• Total quality factor QTS 0.54

Large signal parameters

• Maximum linear excursion xmax 3.3mm
• Air volume displaced at xmax VD 275cm³
• Power handling P 250W
• Program power Pmax 500W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 5.9Ω
• Inductance (1kHz) LE 0.9mH
• VC Diameter 50mm
• Winding material Aluminium

Magnet

• Force factor Bl 14.5N/A
• Motor constant Bl/√RE 5.97N/√W
• Diameter 156mm
• Weight 1.4kg

Diaphragm

• Effective diameter 328mm
• Effective area SD 845cm²
• Moving mass MMS 95g
• Moving mass (without air load) MMD 77.9g

Suspensions

• Stiffness KMS 5.26N/mm
• Compliance CMS 190µm/N
• Equivalent volume to the compliance VAS 185L
• Mechanical resistance RMS 6.16N·s/m

Dimensions

• Nominal diameter 15″
• 384mm
• Overall diameter 384mm
• Baffle cutout diameter 353mm
• Overall depth 149mm
• Flange thickness 0mm
• Mounting depth 149mm
• Volume occupied by the driver (estimated) 2.7L
• Net weight 4.7kg