Dayton Audio ND64-16

• Sensitivity (1W, 1m, infinite baffle) SPL1W 81.3dB
• Frequency response 100 - 20000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 101Hz
• Mechanical quality factor QMS 4.10
• Electrical quality factor QES 0.45
• Total quality factor QTS 0.41

Large signal parameters

• Maximum linear excursion xmax 1.9mm
• Air volume displaced at xmax VD 3cm³
• Power handling P 15W
• Program power Pmax 30W

Voice Coil

• Nominal impedance Z 16Ω
• DC resistance RE 14.5Ω
• Inductance (1kHz) LE 1.21mH
• VC Diameter 19mm
• Winding material CCA
• Former material Polyimide

Magnet

• Force factor Bl 6.54N/A
• Motor constant Bl/√RE 1.72N/√W
• Material Neodymium

Diaphragm

• Effective diameter 45mm
• Effective area SD 15.6cm²
• Moving mass MMS 2.11g
• Moving mass (without air load) MMD 2.1g
• Material Black Anodized Aluminum

Suspensions

• Stiffness KMS 0.606N/mm
• Compliance CMS 1650µm/N
• Equivalent volume to the compliance VAS 0.53L
• Mechanical resistance RMS 0.33N·s/m
• Surround material Rubber

Dimensions

• Nominal diameter 2.5″
• 64mm
• Overall diameter 64mm
• Baffle cutout diameter 53mm
• Overall depth 39mm
• Frame material Stamped Steel