Ciare HSB320-22

• Sensitivity (1W, 1m, infinite baffle) SPL1W 90.5dB

Thiele & Small parameters

• Resonance frequency (free air) fS 34Hz
• Mechanical quality factor QMS 5.60
• Electrical quality factor QES 0.44
• Total quality factor QTS 0.40

Large signal parameters

• Maximum linear excursion xmax 7.5mm
• Air volume displaced at xmax VD 383cm³
• Power handling P 350W
• Program power Pmax 800W

Voice Coil

• Nominal impedance Z 2 x 2Ω
• DC resistance (in series) RE 3.0Ω
• Inductance (1kHz, in series) LE 0.7mH
• VC Diameter 75mm
• Winding material Copper
• Former material Aluminium

Magnet

• Force factor (in series) Bl 12N/A
• Motor constant Bl/√RE 6.93N/√W
• Air gap height HAG 10mm
• Material Ferrite

Diaphragm

• Effective diameter 255mm
• Effective area SD 511cm²
• Moving mass MMS 95g
• Moving mass (without air load) MMD 86.6g
• Material Treated Paper

Suspensions

• Stiffness KMS 4.35N/mm
• Compliance CMS 230µm/N
• Equivalent volume to the compliance VAS 85L
• Mechanical resistance RMS 3.62N·s/m
• Spider material Nomex

Dimensions

• Nominal diameter 12″
• 320mm
• Overall diameter 315mm
• Baffle cutout diameter 282mm
• Overall depth 120mm
• Flange thickness 15mm
• Mounting depth 105mm
• Volume occupied by the driver (estimated) 1.9L
• Frame material Aluminium