MONACOR SPH-130AL

• Sensitivity (1W, 1m, infinite baffle) SPL1W 87.4dB
• Frequency response 48 - 4500Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 48Hz
• Mechanical quality factor QMS 5.07
• Electrical quality factor QES 0.34
• Total quality factor QTS 0.32

Large signal parameters

• Maximum linear excursion xmax 2.3mm
• Air volume displaced at xmax VD 18cm³
• Power handling P 50W
• Program power Pmax 100W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 6.4Ω
• Inductance (1kHz) LE 0.6mH
• VC Diameter 25mm
• Winding material Kapton

Magnet

• Force factor Bl 7.22N/A
• Motor constant Bl/√RE 2.85N/√W
• Diameter 89mm
• Weight 0.44kg

Diaphragm

• Effective diameter 101mm
• Effective area SD 80cm²
• Moving mass MMS 9g
• Moving mass (without air load) MMD 8.4g

Suspensions

• Stiffness KMS 0.833N/mm
• Compliance CMS 1200µm/N
• Equivalent volume to the compliance VAS 10.8L
• Mechanical resistance RMS 0.54N·s/m

Dimensions

• Nominal diameter 5.5″
• 155mm
• Overall diameter 155mm
• Baffle cutout diameter 113mm
• Overall depth 70mm
• Flange thickness 7mm
• Mounting depth 63mm
• Volume occupied by the driver (estimated) 0.38L
• Net weight 1.188kg