MONACOR SPH-60X

• Sensitivity (1W, 1m, infinite baffle) SPL1W 87.9dB
• Frequency response 60 - 20000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 60Hz
• Mechanical quality factor QMS 2.17
• Electrical quality factor QES 0.53
• Total quality factor QTS 0.42

Large signal parameters

• Maximum linear excursion xmax 1.3mm
• Air volume displaced at xmax VD 10cm³
• Power handling P 30W
• Program power Pmax 60W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 6.2Ω
• Inductance (1kHz) LE 0.4mH
• VC Diameter 25.5mm
• Winding material Aluminium

Magnet

• Force factor Bl 5.1N/A
• Motor constant Bl/√RE 2.05N/√W
• Diameter 100mm
• Weight 0.37kg

Diaphragm

• Effective diameter 101mm
• Effective area SD 80cm²
• Moving mass MMS 5.9g
• Moving mass (without air load) MMD 5.4g

Suspensions

• Stiffness KMS 0.84N/mm
• Compliance CMS 1190µm/N
• Equivalent volume to the compliance VAS 9L
• Mechanical resistance RMS 1.02N·s/m

Dimensions

• Nominal diameter 5″
• 130 x 130mm
• Overall size 130 x 130mm
• Baffle cutout diameter 122mm
• Overall depth 71mm
• Flange thickness 1mm
• Mounting depth 70mm
• Volume occupied by the driver (estimated) 0.32L
• Net weight 1.1kg