Peerless GBS-250F38CP01-04

• Sensitivity (1W, 1m, infinite baffle) SPL1W 86.3dB
• Frequency response 50 - 2000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 37.7Hz
• Mechanical quality factor QMS 5.62
• Electrical quality factor QES 0.49
• Total quality factor QTS 0.45

Large signal parameters

• Maximum linear excursion xmax 6mm
• Air volume displaced at xmax VD 189cm³
• Power handling P 200W
• Program power Pmax 400W

Voice Coil

• Nominal impedance Z 4Ω
• DC resistance RE 3.5Ω
• Inductance (1kHz) LE 2.36mH
• VC Diameter 38.8mm
• Former material Kapton

Magnet

• Force factor Bl 13.1N/A
• Motor constant Bl/√RE 7.06N/√W
• Air gap height HAG 8mm

Diaphragm

• Effective diameter 200mm
• Effective area SD 314cm²
• Moving mass MMS 103g
• Moving mass (without air load) MMD 99.3g

Suspensions

• Stiffness KMS 5.8N/mm
• Compliance CMS 173µm/N
• Equivalent volume to the compliance VAS 23.9L
• Mechanical resistance RMS 4.36N·s/m

Dimensions

• Nominal diameter 10″
• 254mm
• Volume occupied by the driver (estimated) 1.4L
• Net weight 3.24kg