PHL audio 2001NdU

• Sensitivity (1W, 1m, infinite baffle) SPL1W 91.6dB
• Frequency response 60 - 4000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 77Hz
• Mechanical quality factor QMS 4.07
• Electrical quality factor QES 0.61
• Total quality factor QTS 0.53

Large signal parameters

• Maximum linear excursion xmax 5.5mm
• Maximum excursion before damage xlim 13mm
• Air volume displaced at xmax VD 121cm³
• Power handling P 120W
• Program power Pmax 240W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 5.4Ω
• Inductance (1kHz) LE 0.516mH
• VC Diameter 38mm
• Winding height HVC 14mm

Magnet

• Force factor Bl 9.5N/A
• Motor constant Bl/√RE 4.09N/√W
• Air gap height HAG 6mm
• Diameter 74mm
• Material Neodymium

Diaphragm

• Effective diameter 167mm
• Effective area SD 219cm²
• Moving mass MMS 21g
• Moving mass (without air load) MMD 18.7g

Suspensions

• Stiffness KMS 5N/mm
• Compliance CMS 200µm/N
• Equivalent volume to the compliance VAS 13.8L
• Mechanical resistance RMS 2.5N·s/m

Dimensions

• Nominal diameter 8″
• 200mm
• Overall diameter 205mm
• Baffle cutout diameter 185mm
• Overall depth 99mm
• Flange thickness 10mm
• Mounting depth 89mm
• Volume occupied by the driver 0.5L
• Net weight 1.7kg