MONACOR SPA-115PA

• Sensitivity (1W, 1m, infinite baffle) SPL1W 96.1dB
• Frequency response 40 - 3000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 40Hz
• Mechanical quality factor QMS 12.97
• Electrical quality factor QES 0.41
• Total quality factor QTS 0.40

Large signal parameters

• Maximum linear excursion xmax 4mm
• Air volume displaced at xmax VD 342cm³
• Power handling P 250W
• Program power Pmax 500W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 5.8Ω
• Inductance (1kHz) LE 1.4mH
• VC Diameter 75mm
• Winding material Kapton

Magnet

• Force factor Bl 16.3N/A
• Motor constant Bl/√RE 6.77N/√W
• Diameter 170mm
• Weight 1.6kg

Diaphragm

• Effective diameter 330mm
• Effective area SD 855cm²
• Moving mass MMS 75g
• Moving mass (without air load) MMD 57.6g

Suspensions

• Stiffness KMS 5.56N/mm
• Compliance CMS 180µm/N
• Equivalent volume to the compliance VAS 184L
• Mechanical resistance RMS 1.45N·s/m

Dimensions

• Nominal diameter 15″
• 388mm
• Overall diameter 388mm
• Baffle cutout diameter 352mm
• Overall depth 158mm
• Flange thickness 12mm
• Mounting depth 146mm
• Volume occupied by the driver (estimated) 3.3L
• Net weight 6.23kg