Peerless SLS-250S38CP00-04

• Sensitivity (1W, 1m, infinite baffle) SPL1W 88.9dB
• Frequency response 20 - 20000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 26.9Hz
• Mechanical quality factor QMS 12.34
• Electrical quality factor QES 0.38
• Total quality factor QTS 0.37

Large signal parameters

• Maximum linear excursion xmax 4.6mm
• Air volume displaced at xmax VD 159cm³
• Power handling P 80W
• Program power Pmax 160W

Voice Coil

• Nominal impedance Z 4Ω
• DC resistance RE 3.4Ω
• Inductance (1kHz) LE 0.69mH
• VC Diameter 38.5mm

Magnet

• Force factor Bl 9.06N/A
• Motor constant Bl/√RE 4.91N/√W
• Air gap height HAG 8mm

Diaphragm

• Effective diameter 210mm
• Effective area SD 346cm²
• Moving mass MMS 54.9g
• Moving mass (without air load) MMD 50.3g

Suspensions

• Stiffness KMS 1.57N/mm
• Compliance CMS 639µm/N
• Equivalent volume to the compliance VAS 108L
• Mechanical resistance RMS 0.75N·s/m

Dimensions

• Nominal diameter 10″
• 254mm
• Volume occupied by the driver (estimated) 1.3L
• Net weight 3.16kg