DB Drive P7 6K

• Sensitivity (1W, 1m, infinite baffle) SPL1W 93.1dB

Thiele & Small parameters

• Resonance frequency (free air) fS 119Hz
• Mechanical quality factor QMS 4.53
• Electrical quality factor QES 0.57
• Total quality factor QTS 0.51

Large signal parameters

• Power handling P 200W
• Program power Pmax 500W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 5.8Ω
• Inductance (1kHz) LE 0.4mH

Magnet

• Force factor Bl 8.2N/A
• Motor constant Bl/√RE 3.4N/√W

Diaphragm

• Effective diameter 130mm
• Effective area SD 133cm²
• Moving mass MMS 8.9g
• Moving mass (without air load) MMD 7.8g

Suspensions

• Stiffness KMS 5N/mm
• Compliance CMS 200µm/N
• Equivalent volume to the compliance VAS 5L
• Mechanical resistance RMS 1.47N·s/m

Dimensions

• Nominal diameter 6.5″
• 165mm
• Volume occupied by the driver (estimated) 0.5L