Scan-Speak Revelator 32W/8878T01

• Sensitivity (1W, 1m, infinite baffle) SPL1W 88.3dB
• Frequency response 19 - 1500Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 19Hz
• Mechanical quality factor QMS 5.69
• Electrical quality factor QES 0.35
• Total quality factor QTS 0.33

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 150W
• Program power Pmax 400W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 6.1Ω
• Inductance (1kHz, estimated) LE 3.18mH
• VC Diameter 75mm
• Winding height HVC 23mm
• Former material Titanium

Magnet

• Force factor Bl 15.6N/A
• Motor constant Bl/√RE 6.32N/√W
• Air gap height HAG 8mm

Diaphragm

• Effective diameter 260mm
• Effective area SD 526cm²
• Moving mass MMS 115g
• Moving mass (without air load) MMD 106g
• Material Paper sandwich

Suspensions

• Stiffness KMS 1.67N/mm
• Compliance CMS 600µm/N
• Equivalent volume to the compliance VAS 234L
• Mechanical resistance RMS 2.4N·s/m

Dimensions

• Nominal diameter 12″
• 320mm
• Volume occupied by the driver 2.65L
• Net weight 7.5kg
• Frame material Die cast Aluminium