Peerless NE315W-04

• Sensitivity (1W, 1m, infinite baffle) SPL1W 88.2dB
• Frequency response 25 - 1000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 22Hz
• Mechanical quality factor QMS 15.00
• Electrical quality factor QES 0.36
• Total quality factor QTS 0.35

Large signal parameters

• Maximum linear excursion xmax 11.7mm
• Air volume displaced at xmax VD 593cm³
• Power handling P 150W
• Program power Pmax 300W

Voice Coil

• Nominal impedance Z 4Ω
• DC resistance RE 2.9Ω
• Inductance (1kHz) LE 1.05mH
• VC Diameter 51.3mm

Magnet

• Force factor Bl 11.5N/A
• Motor constant Bl/√RE 6.75N/√W
• Air gap height HAG 8mm
• Material Neodymium

Diaphragm

• Effective diameter 254mm
• Effective area SD 507cm²
• Moving mass MMS 121g
• Moving mass (without air load) MMD 113g
• Material Patented PentaCut

Suspensions

• Stiffness KMS 2.22N/mm
• Compliance CMS 450µm/N
• Equivalent volume to the compliance VAS 162L
• Mechanical resistance RMS 1.12N·s/m

Dimensions

• Nominal diameter 12″
• 305mm
• Volume occupied by the driver (estimated) 1.1L
• Net weight 2.68kg
• Frame material Cast Aluminium