Scan-Speak Discovery 15W/8424G00

• Sensitivity (1W, 1m, infinite baffle) SPL1W 88.7dB
• Frequency response 46 - 8000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 46Hz
• Mechanical quality factor QMS 3.60
• Electrical quality factor QES 0.27
• Total quality factor QTS 0.25

Large signal parameters

• Maximum linear excursion xmax 2.6mm
• Maximum excursion before damage xlim 8mm
• Air volume displaced at xmax VD 21cm³
• Power handling P 60W
• Program power Pmax 120W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 5.5Ω
• Inductance (1kHz, estimated) LE 0.47mH
• VC Diameter 25mm
• Winding height HVC 10.2mm

Magnet

• Force factor Bl 6.6N/A
• Motor constant Bl/√RE 2.81N/√W
• Air gap height HAG 5mm

Diaphragm

• Effective diameter 101mm
• Effective area SD 80cm²
• Moving mass MMS 7.54g
• Moving mass (without air load) MMD 7g
• Material Coated Fibre Glass

Suspensions

• Stiffness KMS 0.617N/mm
• Compliance CMS 1620µm/N
• Equivalent volume to the compliance VAS 14.5L
• Mechanical resistance RMS 0.6N·s/m
• Surround material SBR Rubber

Dimensions

• Nominal diameter 6″
• 150mm
• Volume occupied by the driver 0.2L
• Net weight 1.0kg
• Frame material Die cast Aluminium