Peerless SDS-P830657

• Sensitivity (1W, 1m, infinite baffle) SPL1W 88.4dB
• Frequency response 40 - 4000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 44.8Hz
• Mechanical quality factor QMS 2.74
• Electrical quality factor QES 0.55
• Total quality factor QTS 0.46

Large signal parameters

• Maximum linear excursion xmax 3.5mm
• Air volume displaced at xmax VD 49cm³
• Power handling P 60W
• Program power Pmax 120W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 6.1Ω
• Inductance (1kHz) LE 0.38mH
• VC Diameter 25.7mm
• Former material Aluminium

Magnet

• Force factor Bl 5.98N/A
• Motor constant Bl/√RE 2.43N/√W
• Air gap height HAG 6mm

Diaphragm

• Effective diameter 134mm
• Effective area SD 141cm²
• Moving mass MMS 11.5g
• Moving mass (without air load) MMD 10.4g

Suspensions

• Stiffness KMS 0.908N/mm
• Compliance CMS 1101µm/N
• Equivalent volume to the compliance VAS 30.8L
• Mechanical resistance RMS 1.18N·s/m

Dimensions

• Nominal diameter 6″
• 152mm
• Volume occupied by the driver (estimated) 0.33L
• Net weight 0.84kg