Scan-Speak Discovery 15M/4624G00

• Sensitivity (1W, 1m, infinite baffle) SPL1W 90.3dB
• Frequency response 150 - 10000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 100Hz
• Mechanical quality factor QMS 5.62
• Electrical quality factor QES 0.47
• Total quality factor QTS 0.43

Large signal parameters

• Maximum linear excursion xmax 1.5mm
• Maximum excursion before damage xlim 8mm
• Air volume displaced at xmax VD 11cm³
• Power handling P 75W
• Program power Pmax 180W

Voice Coil

• Nominal impedance Z 4Ω
• DC resistance RE 3.2Ω
• Inductance (1kHz, estimated) LE 0.24mH
• VC Diameter 25mm
• Winding height HVC 8mm

Magnet

• Force factor Bl 5.3N/A
• Motor constant Bl/√RE 2.96N/√W
• Air gap height HAG 5mm

Diaphragm

• Effective diameter 101mm
• Effective area SD 75cm²
• Moving mass MMS 6.2g
• Moving mass (without air load) MMD 5.7g
• Material Coated Fibre Glass

Suspensions

• Stiffness KMS 2.44N/mm
• Compliance CMS 410µm/N
• Equivalent volume to the compliance VAS 3.7L
• Mechanical resistance RMS 0.69N·s/m
• Surround material Foam

Dimensions

• Nominal diameter 6″
• 150mm
• Volume occupied by the driver 0.21L
• Net weight 1.0kg
• Frame material Die cast Aluminium