Scan-Speak Discovery 10F/8424G00

• Sensitivity (1W, 1m, infinite baffle) SPL1W 87.6dB
• Frequency response 150 - 12000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 90Hz
• Mechanical quality factor QMS 3.49
• Electrical quality factor QES 0.41
• Total quality factor QTS 0.37

Large signal parameters

• Maximum linear excursion xmax 2.6mm
• Maximum excursion before damage xlim 7mm
• Air volume displaced at xmax VD 9.4cm³
• Power handling P 15W
• Program power Pmax 30W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 5.8Ω
• Inductance (1kHz, estimated) LE 0.25mH
• VC Diameter 20mm
• Winding height HVC 9.2mm

Magnet

• Force factor Bl 4.8N/A
• Motor constant Bl/√RE 1.99N/√W
• Air gap height HAG 4mm
• Material Neodymium

Diaphragm

• Effective diameter 68mm
• Effective area SD 36cm²
• Moving mass MMS 2.77g
• Moving mass (without air load) MMD 2.6g
• Material Coated Fibre Glass

Suspensions

• Stiffness KMS 0.885N/mm
• Compliance CMS 1130µm/N
• Equivalent volume to the compliance VAS 2.1L
• Mechanical resistance RMS 0.45N·s/m
• Surround material SBR Rubber

Dimensions

• Nominal diameter 4″
• 100mm
• Volume occupied by the driver 0.05L
• Net weight 0.3kg