Scan-Speak Revelator 23W/4557T02

• Sensitivity (1W, 1m, infinite baffle) SPL1W 80.6dB
• Frequency response 21 - 1000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 21Hz
• Mechanical quality factor QMS 4.80
• Electrical quality factor QES 0.52
• Total quality factor QTS 0.47

Large signal parameters

• Maximum linear excursion xmax 13mm
• Maximum excursion before damage xlim 20mm
• Air volume displaced at xmax VD 302cm³
• Power handling P 225W
• Program power Pmax 350W

Voice Coil

• Nominal impedance Z 4Ω
• DC resistance RE 3.5Ω
• Inductance (1kHz, estimated) LE 1.65mH
• VC Diameter 50mm
• Winding height HVC 34mm

Magnet

• Force factor Bl 9.3N/A
• Motor constant Bl/√RE 5.01N/√W
• Air gap height HAG 8mm
• Material Ferrite

Diaphragm

• Effective diameter 172mm
• Effective area SD 232cm²
• Moving mass MMS 101g
• Moving mass (without air load) MMD 98.3g
• Material Anodized Aluminium

Suspensions

• Stiffness KMS 1.67N/mm
• Compliance CMS 600µm/N
• Equivalent volume to the compliance VAS 45L
• Mechanical resistance RMS 2.71N·s/m
• Surround material Long Throw

Dimensions

• Nominal diameter 10″
• 230mm
• Volume occupied by the driver 1.36L
• Net weight 4.6kg
• Frame material Die cast Aluminium