Scan-Speak 25W/8565-00

• Sensitivity (1W, 1m, infinite baffle) SPL1W 87.6dB
• Frequency response 20 - 2000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 20Hz
• Mechanical quality factor QMS 5.40
• Electrical quality factor QES 0.44
• Total quality factor QTS 0.41

Large signal parameters

• Maximum linear excursion xmax 6.5mm
• Maximum excursion before damage xlim 12mm
• Air volume displaced at xmax VD 215cm³
• Power handling P 100W
• Program power Pmax 200W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 5.5Ω
• Inductance (1kHz, estimated) LE 1.49mH
• VC Diameter 42mm
• Winding height HVC 19mm

Magnet

• Force factor Bl 8.2N/A
• Motor constant Bl/√RE 3.5N/√W
• Air gap height HAG 6mm

Diaphragm

• Effective diameter 205mm
• Effective area SD 330cm²
• Moving mass MMS 43g
• Moving mass (without air load) MMD 38.7g
• Material Paper/Carbon Fibre

Suspensions

• Stiffness KMS 0.68N/mm
• Compliance CMS 1470µm/N
• Equivalent volume to the compliance VAS 225L
• Mechanical resistance RMS 1N·s/m
• Surround material SBR Rubber

Dimensions

• Nominal diameter 10″
• 250mm
• Volume occupied by the driver 0.75L
• Net weight 2.3kg