Peerless NE180W-08-HS

• Sensitivity (1W, 1m, infinite baffle) SPL1W 88.5dB
• Frequency response 40 - 4000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 42.3Hz
• Mechanical quality factor QMS 7.41
• Electrical quality factor QES 0.41
• Total quality factor QTS 0.39

Large signal parameters

• Maximum linear excursion xmax 5mm
• Air volume displaced at xmax VD 69cm³
• Power handling P 115W
• Program power Pmax 230W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 6.2Ω
• Inductance (1kHz) LE 0.12mH
• VC Diameter 38.4mm
• Former material TiSV

Magnet

• Force factor Bl 8.17N/A
• Motor constant Bl/√RE 3.27N/√W
• Air gap height HAG 6mm

Diaphragm

• Effective diameter 132mm
• Effective area SD 137cm²
• Moving mass MMS 16.4g
• Moving mass (without air load) MMD 15.2g

Suspensions

• Stiffness KMS 1.16N/mm
• Compliance CMS 864µm/N
• Equivalent volume to the compliance VAS 22.7L
• Mechanical resistance RMS 0.59N·s/m

Dimensions

• Nominal diameter 6.5″
• 165mm
• Volume occupied by the driver (estimated) 0.33L
• Net weight 0.84kg