RCF LN19S400

• Sensitivity (1W, 1m, infinite baffle) SPL1W 94.9dB
• Frequency response 25 - 1000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 32Hz
• Mechanical quality factor QMS 4.00
• Electrical quality factor QES 0.22
• Total quality factor QTS 0.21

Large signal parameters

• Maximum linear excursion xmax 18mm
• Maximum excursion before damage xlim 32.5mm
• Air volume displaced at xmax VD 2376cm³
• Power handling P 1500W
• Program power Pmax 3000W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 4.7Ω
• Inductance (1kHz) LE 3.4mH
• VC Diameter 102mm
• Winding height HVC 42mm
• Winding material Copper-clad aluminium wire

Magnet

• Force factor Bl 32N/A
• Motor constant Bl/√RE 14.8N/√W
• Air gap height HAG 16mm

Diaphragm

• Effective diameter 410mm
• Effective area SD 1320cm²
• Moving mass MMS 296g
• Moving mass (without air load) MMD 263g

Suspensions

• Stiffness KMS 9.62N/mm
• Compliance CMS 104µm/N
• Equivalent volume to the compliance VAS 204L
• Mechanical resistance RMS 14.9N·s/m

Dimensions

• Nominal diameter 19″
• 483mm
• Overall diameter 480mm
• Baffle cutout diameter 446mm
• Overall depth 232mm
• Volume occupied by the driver 10L
• Net weight 10.2kg