Reckhorn D-200

• Sensitivity (1W, 1m, infinite baffle) SPL1W 85.8dB

Thiele & Small parameters

• Resonance frequency (free air) fS 29.3Hz
• Mechanical quality factor QMS 5.51
• Electrical quality factor QES 0.32
• Total quality factor QTS 0.30

Large signal parameters

• Maximum linear excursion xmax 8mm
• Air volume displaced at xmax VD 171cm³
• Power handling P 100W
• Program power Pmax 200W

Voice Coil

• Nominal impedance Z 4Ω
• DC resistance RE 3.7Ω
• Inductance (1kHz) LE 2mH
• VC Diameter 38mm
• Winding height HVC 24mm

Magnet

• Force factor Bl 11.2N/A
• Motor constant Bl/√RE 5.8N/√W

Diaphragm

• Effective diameter 165mm
• Effective area SD 214cm²
• Moving mass MMS 59g
• Moving mass (without air load) MMD 56.6g
• Material Aluminium

Suspensions

• Stiffness KMS 2N/mm
• Compliance CMS 500µm/N
• Equivalent volume to the compliance VAS 32L
• Mechanical resistance RMS 1.97N·s/m

Dimensions

• Nominal diameter 8″
• 200mm
• Overall diameter 213mm
• Baffle cutout diameter 185mm
• Overall depth 118mm
• Flange thickness 8mm
• Mounting depth 110mm
• Volume occupied by the driver (estimated) 1.3L
• Net weight 3.4kg