Scan-Speak Discovery 15W/4434G00

• Sensitivity (1W, 1m, infinite baffle) SPL1W 88.3dB
• Frequency response 43 - 8000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 43Hz
• Mechanical quality factor QMS 3.69
• Electrical quality factor QES 0.22
• Total quality factor QTS 0.21

Large signal parameters

• Maximum linear excursion xmax 4.3mm
• Maximum excursion before damage xlim 8mm
• Air volume displaced at xmax VD 34cm³
• Power handling P 60W
• Program power Pmax 120W

Voice Coil

• Nominal impedance Z 4Ω
• DC resistance RE 3.0Ω
• Inductance (1kHz, estimated) LE 0.3mH
• VC Diameter 32mm
• Winding height HVC 13.6mm

Magnet

• Force factor Bl 5.9N/A
• Motor constant Bl/√RE 3.41N/√W
• Air gap height HAG 5mm

Diaphragm

• Effective diameter 101mm
• Effective area SD 80cm²
• Moving mass MMS 9.6g
• Moving mass (without air load) MMD 9g
• Material Coated Fibre Glass

Suspensions

• Stiffness KMS 0.699N/mm
• Compliance CMS 1430µm/N
• Equivalent volume to the compliance VAS 12.8L
• Mechanical resistance RMS 0.7N·s/m
• Surround material SBR Rubber

Dimensions

• Nominal diameter 6″
• 150mm
• Volume occupied by the driver 0.23L
• Net weight 1.2kg
• Frame material Die cast Aluminium