MONACOR SPH-102KEP

• Sensitivity (1W, 1m, infinite baffle) SPL1W 89.5dB
• Frequency response 95 - 10000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 95Hz
• Mechanical quality factor QMS 5.70
• Electrical quality factor QES 0.57
• Total quality factor QTS 0.52

Large signal parameters

• Maximum linear excursion xmax 1mm
• Air volume displaced at xmax VD 5.5cm³
• Power handling P 40W
• Program power Pmax 120W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 7.2Ω
• Inductance (1kHz) LE 0.2mH
• VC Diameter 25.5mm
• Winding material Kapton

Magnet

• Force factor Bl 4.75N/A
• Motor constant Bl/√RE 1.77N/√W
• Diameter 80mm
• Weight 0.29kg

Diaphragm

• Effective diameter 84mm
• Effective area SD 55cm²
• Moving mass MMS 3g
• Moving mass (without air load) MMD 2.7g

Suspensions

• Stiffness KMS 1.06N/mm
• Compliance CMS 940µm/N
• Equivalent volume to the compliance VAS 3L
• Mechanical resistance RMS 0.31N·s/m

Dimensions

• Nominal diameter 4″
• 106 x 106mm
• Overall size 106 x 106mm
• Baffle cutout diameter 95mm
• Overall depth 76mm
• Flange thickness 3mm
• Mounting depth 73mm
• Volume occupied by the driver (estimated) 0.28L
• Net weight 1.005kg