SB Acoustics SB34SWNRX-S75-6

• Sensitivity (1W, 1m, infinite baffle) SPL1W 86.8dB

Thiele & Small parameters

• Resonance frequency (free air) fS 19Hz
• Mechanical quality factor QMS 5.00
• Electrical quality factor QES 0.34
• Total quality factor QTS 0.32

Large signal parameters

• Maximum linear excursion xmax 11mm
• Air volume displaced at xmax VD 559cm³
• Power handling P 200W
• Program power Pmax 400W

Voice Coil

• Nominal impedance Z 6Ω
• DC resistance RE 4.5Ω
• Inductance (1kHz) LE 3mH
• VC Diameter 75.6mm
• Winding height HVC 28.5mm
• Winding material Copper
• Former material Glass Fiber

Magnet

• Flux density B 0.63T
• Force factor Bl 15.4N/A
• Motor constant Bl/√RE 7.26N/√W
• Air gap height HAG 6mm
• Weight 2.1kg

Diaphragm

• Effective diameter 254mm
• Effective area SD 508cm²
• Moving mass MMS 154g
• Moving mass (without air load) MMD 146g
• Material Norex

Suspensions

• Stiffness KMS 2.17N/mm
• Compliance CMS 460µm/N
• Equivalent volume to the compliance VAS 164L
• Mechanical resistance RMS 3.7N·s/m
• Surround material Rubber

Dimensions

• Nominal diameter 12″
• 305mm
• Volume occupied by the driver (estimated) 2.6L
• Net weight 5.85kg
• Frame material Cast aluminium