Scan-Speak Revelator 32W/8878T11

• Sensitivity (1W, 1m, infinite baffle) SPL1W 90.3dB
• Frequency response 21 - 1500Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 21Hz
• Mechanical quality factor QMS 3.80
• Electrical quality factor QES 0.28
• Total quality factor QTS 0.26

Large signal parameters

• Maximum linear excursion xmax 7.5mm
• Maximum excursion before damage xlim 28mm
• Air volume displaced at xmax VD 395cm³
• Power handling P 350W
• Program power Pmax 700W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 6.1Ω
• Inductance (1kHz, estimated) LE 2.81mH
• VC Diameter 75mm
• Winding height HVC 23mm
• Former material Titanium

Magnet

• Force factor Bl 16.5N/A
• Motor constant Bl/√RE 6.68N/√W
• Air gap height HAG 8mm
• Material Ferrite

Diaphragm

• Effective diameter 260mm
• Effective area SD 526cm²
• Moving mass MMS 95.5g
• Moving mass (without air load) MMD 86.7g
• Material Paper sandwich

Suspensions

• Stiffness KMS 1.67N/mm
• Compliance CMS 600µm/N
• Equivalent volume to the compliance VAS 235L
• Mechanical resistance RMS 3.3N·s/m
• Surround material Coated foam

Dimensions

• Nominal diameter 12″
• 320mm
• Volume occupied by the driver 3.22L
• Net weight 9.8kg