Scan-Speak Discovery 26W/4534G00

• Sensitivity (1W, 1m, infinite baffle) SPL1W 88.7dB
• Frequency response 23 - 1500Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 23Hz
• Mechanical quality factor QMS 9.57
• Electrical quality factor QES 0.37
• Total quality factor QTS 0.36

Large signal parameters

• Maximum linear excursion xmax 6mm
• Maximum excursion before damage xlim 12mm
• Air volume displaced at xmax VD 210cm³
• Power handling P 90W
• Program power Pmax 175W

Voice Coil

• Nominal impedance Z 4Ω
• DC resistance RE 3.8Ω
• Inductance (1kHz, estimated) LE 1.17mH
• VC Diameter 38mm
• Winding height HVC 18mm

Magnet

• Force factor Bl 8.8N/A
• Motor constant Bl/√RE 4.51N/√W
• Air gap height HAG 6mm

Diaphragm

• Effective diameter 211mm
• Effective area SD 350cm²
• Moving mass MMS 52g
• Moving mass (without air load) MMD 47.3g
• Material Anodized Aluminium

Suspensions

• Stiffness KMS 1.09N/mm
• Compliance CMS 920µm/N
• Equivalent volume to the compliance VAS 156L
• Mechanical resistance RMS 0.8N·s/m

Dimensions

• Nominal diameter 10″
• 260mm
• Volume occupied by the driver 0.73L
• Net weight 2.9kg
• Frame material Die cast Aluminium