MONACOR SP-8/150PRO

• Sensitivity (1W, 1m, infinite baffle) SPL1W 91dB
• Frequency response 56 - 3000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 56Hz
• Mechanical quality factor QMS 1.52
• Electrical quality factor QES 0.41
• Total quality factor QTS 0.32

Large signal parameters

• Maximum linear excursion xmax 6mm
• Air volume displaced at xmax VD 128cm³
• Power handling P 150W
• Program power Pmax 300W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 7.2Ω
• Inductance (1kHz) LE 2mH
• VC Diameter 50mm
• Winding material Aluminium

Magnet

• Force factor Bl 12N/A
• Motor constant Bl/√RE 4.46N/√W
• Diameter 120mm
• Weight 0.85kg

Diaphragm

• Effective diameter 165mm
• Effective area SD 213cm²
• Moving mass MMS 22.8g
• Moving mass (without air load) MMD 20.5g

Suspensions

• Stiffness KMS 2.86N/mm
• Compliance CMS 350µm/N
• Equivalent volume to the compliance VAS 22L
• Mechanical resistance RMS 5.28N·s/m

Dimensions

• Nominal diameter 8″
• 210mm
• Overall diameter 210mm
• Baffle cutout diameter 185mm
• Overall depth 100mm
• Flange thickness 10mm
• Mounting depth 90mm
• Volume occupied by the driver (estimated) 0.94L
• Net weight 2.52kg