PHL audio 1683-26

• Sensitivity (1W, 1m, infinite baffle) SPL1W 93.7dB
• Frequency response 300 - 5000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 125Hz
• Mechanical quality factor QMS 4.86
• Electrical quality factor QES 0.35
• Total quality factor QTS 0.32

Large signal parameters

• Maximum linear excursion xmax 2.5mm
• Maximum excursion before damage xlim 9mm
• Air volume displaced at xmax VD 32cm³
• Power handling P 250W
• Program power Pmax 500W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 5.3Ω
• Inductance (1kHz) LE 0.599mH
• VC Diameter 51mm
• Winding height HVC 11mm

Magnet

• Force factor Bl 12.5N/A
• Motor constant Bl/√RE 5.43N/√W
• Air gap height HAG 9mm
• Diameter 137mm
• Material Ferrite

Diaphragm

• Effective diameter 128mm
• Effective area SD 129cm²
• Moving mass MMS 13g
• Moving mass (without air load) MMD 11.9g

Suspensions

• Stiffness KMS 8.33N/mm
• Compliance CMS 120µm/N
• Equivalent volume to the compliance VAS 2.9L
• Mechanical resistance RMS 2.1N·s/m

Dimensions

• Nominal diameter 6.5″
• 170mm
• Overall diameter 163mm
• Baffle cutout diameter 146mm
• Overall depth 82mm
• Flange thickness 8mm
• Mounting depth 74mm
• Volume occupied by the driver 0.64L
• Net weight 2.8kg