ESX VXP104

• Sensitivity (1W, 1m, infinite baffle) SPL1W 84.7dB

Thiele & Small parameters

• Resonance frequency (free air) fS 31Hz
• Mechanical quality factor QMS 6.28
• Electrical quality factor QES 0.68
• Total quality factor QTS 0.61

Large signal parameters

• Maximum linear excursion xmax 12mm
• Maximum excursion before damage xlim 24mm
• Air volume displaced at xmax VD 452cm³
• Power handling P 400W
• Program power Pmax 800W

Voice Coil

• Nominal impedance Z 4Ω
• DC resistance RE 3.8Ω
• Inductance (1kHz) LE 1.64mH
• VC Diameter 65.5mm
• Winding height HVC 32mm
• Former material TIL (Glass-Fibre)

Magnet

• Force factor Bl 11.9N/A
• Motor constant Bl/√RE 6.1N/√W
• Diameter 156mm
• Height 40mm
• Weight 2.552kg

Diaphragm

• Effective diameter 219mm
• Effective area SD 377cm²
• Moving mass MMS 129g
• Moving mass (without air load) MMD 124g
• Material Glass-Fibre/Honeycomb

Suspensions

• Stiffness KMS 4.79N/mm
• Compliance CMS 209µm/N
• Equivalent volume to the compliance VAS 42.2L
• Mechanical resistance RMS 4N·s/m
• Surround material Rubber
• Spider material Single Nomex

Dimensions

• Nominal diameter 10″
• 250mm
• Overall diameter 266mm
• Baffle cutout diameter 236mm
• Mounting depth 107mm
• Volume occupied by the driver (estimated) 3.7L
• Net weight 8.3kg
• Frame material Diecast Aluminium