MONACOR SPH-100AL

• Sensitivity (1W, 1m, infinite baffle) SPL1W 86dB
• Frequency response 80 - 5000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 80Hz
• Mechanical quality factor QMS 3.05
• Electrical quality factor QES 0.67
• Total quality factor QTS 0.55

Large signal parameters

• Maximum linear excursion xmax 1.5mm
• Air volume displaced at xmax VD 8.3cm³
• Power handling P 40W
• Program power Pmax 80W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 6.2Ω
• Inductance (1kHz) LE 0.3mH
• VC Diameter 25mm
• Winding material Aluminium

Magnet

• Force factor Bl 4.81N/A
• Motor constant Bl/√RE 1.93N/√W
• Diameter 72mm
• Weight 0.25kg

Diaphragm

• Effective diameter 84mm
• Effective area SD 55cm²
• Moving mass MMS 4.9g
• Moving mass (without air load) MMD 4.6g

Suspensions

• Stiffness KMS 1.27N/mm
• Compliance CMS 790µm/N
• Equivalent volume to the compliance VAS 3.2L
• Mechanical resistance RMS 0.81N·s/m

Dimensions

• Nominal diameter 4″
• 124mm
• Overall diameter 124mm
• Baffle cutout diameter 90mm
• Overall depth 55mm
• Flange thickness 4mm
• Mounting depth 51mm
• Volume occupied by the driver (estimated) 0.19L
• Net weight 0.63kg