SB Acoustics SB36WBAC21-4

• Sensitivity (1W, 1m, infinite baffle) SPL1W 73dB

Thiele & Small parameters

• Resonance frequency (free air) fS 200Hz
• Mechanical quality factor QMS 0.68
• Electrical quality factor QES 1.05
• Total quality factor QTS 0.41

Large signal parameters

• Maximum linear excursion xmax 1.8mm
• Air volume displaced at xmax VD 0.7cm³
• Power handling P 5W
• Program power Pmax 10W

Voice Coil

• Nominal impedance Z 4Ω
• DC resistance RE 3.4Ω
• Inductance (1kHz) LE 0.12mH
• VC Diameter 20.4mm
• Winding height HVC 5.5mm

Magnet

• Flux density B 0.85T
• Force factor Bl 1.76N/A
• Motor constant Bl/√RE 0.95N/√W
• Air gap height HAG 2mm
• Weight 0.01kg
• Material Neodymium

Diaphragm

• Effective diameter 23mm
• Effective area SD 4.2cm²
• Moving mass MMS 0.76g
• Moving mass (without air load) MMD 0.8g
• Material Aluminium

Suspensions

• Stiffness KMS 1.21N/mm
• Compliance CMS 830µm/N
• Equivalent volume to the compliance VAS 0.021L
• Mechanical resistance RMS 1.4N·s/m

Dimensions

• Nominal diameter 1″
• 25mm
• Net weight 0.055kg