Scan-Speak Revelator 22W/4851T00

• Sensitivity (1W, 1m, infinite baffle) SPL1W 88.3dB
• Frequency response 21 - 3000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 21Hz
• Mechanical quality factor QMS 5.20
• Electrical quality factor QES 0.23
• Total quality factor QTS 0.22

Large signal parameters

• Maximum linear excursion xmax 9mm
• Maximum excursion before damage xlim 14mm
• Air volume displaced at xmax VD 198cm³
• Power handling P 80W
• Program power Pmax 200W

Voice Coil

• Nominal impedance Z 4Ω
• DC resistance RE 3.7Ω
• Inductance (1kHz, estimated) LE 0.83mH
• VC Diameter 50mm
• Winding height HVC 24mm

Magnet

• Force factor Bl 8.2N/A
• Motor constant Bl/√RE 4.26N/√W
• Air gap height HAG 6mm
• Material Ferrite

Diaphragm

• Effective diameter 167mm
• Effective area SD 220cm²
• Moving mass MMS 32.5g
• Moving mass (without air load) MMD 30g
• Material Rigid Paper

Suspensions

• Stiffness KMS 0.541N/mm
• Compliance CMS 1850µm/N
• Equivalent volume to the compliance VAS 126L
• Mechanical resistance RMS 0.81N·s/m
• Surround material SBR Rubber

Dimensions

• Nominal diameter 8″
• 220mm
• Volume occupied by the driver 1.04L
• Net weight 3.6kg
• Frame material Die cast Aluminium