MONACOR SPH-130

• Sensitivity (1W, 1m, infinite baffle) SPL1W 86.1dB
• Frequency response 38 - 6000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 38Hz
• Mechanical quality factor QMS 1.91
• Electrical quality factor QES 0.39
• Total quality factor QTS 0.32

Large signal parameters

• Maximum linear excursion xmax 2mm
• Air volume displaced at xmax VD 16cm³
• Power handling P 55W
• Program power Pmax 80W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 5.7Ω
• Inductance (1kHz) LE 0.5mH
• VC Diameter 25mm
• Winding material Aluminium

Magnet

• Force factor Bl 5.4N/A
• Motor constant Bl/√RE 2.26N/√W
• Diameter 72mm
• Weight 0.23kg

Diaphragm

• Effective diameter 101mm
• Effective area SD 80cm²
• Moving mass MMS 8.2g
• Moving mass (without air load) MMD 7.6g

Suspensions

• Stiffness KMS 0.467N/mm
• Compliance CMS 2140µm/N
• Equivalent volume to the compliance VAS 22L
• Mechanical resistance RMS 1.03N·s/m

Dimensions

• Nominal diameter 5.5″
• 145 x 145mm
• Overall size 145 x 145mm
• Baffle cutout diameter 129mm
• Overall depth 65mm
• Flange thickness 1mm
• Mounting depth 64mm
• Volume occupied by the driver (estimated) 0.26L
• Net weight 0.75kg