Peerless XXLS-300F50AL01-04

• Sensitivity (1W, 1m, infinite baffle) SPL1W 86.5dB
• Frequency response 20 - 4000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 22.4Hz
• Mechanical quality factor QMS 9.79
• Electrical quality factor QES 0.42
• Total quality factor QTS 0.41

Large signal parameters

• Maximum linear excursion xmax 12.3mm
• Air volume displaced at xmax VD 575cm³
• Power handling P 120W
• Program power Pmax 240W

Voice Coil

• Nominal impedance Z 4Ω
• DC resistance RE 2.6Ω
• Inductance (1kHz) LE 0.72mH
• VC Diameter 51mm
• Former material GSV

Magnet

• Force factor Bl 11N/A
• Motor constant Bl/√RE 6.79N/√W
• Air gap height HAG 8mm

Diaphragm

• Effective diameter 244mm
• Effective area SD 468cm²
• Moving mass MMS 138g
• Moving mass (without air load) MMD 131g

Suspensions

• Stiffness KMS 2.73N/mm
• Compliance CMS 366µm/N
• Equivalent volume to the compliance VAS 113L
• Mechanical resistance RMS 1.99N·s/m

Dimensions

• Nominal diameter 12″
• 305mm
• Volume occupied by the driver (estimated) 2.8L
• Net weight 6.38kg