RCF LN19S450

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

Thiele & Small parameters

• Resonance frequency (free air) fS 29Hz
• Mechanical quality factor QMS 4.00
• Electrical quality factor QES 0.27
• Total quality factor QTS 0.25

Large signal parameters

• Maximum linear excursion xmax 18mm
• Maximum excursion before damage xlim 33.5mm
• Air volume displaced at xmax VD 2376cm³
• Power handling P 1700W
• Program power Pmax 3400W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 4.7Ω
• Inductance (1kHz) LE 4.4mH
• VC Diameter 114mm
• Winding height HVC 42mm
• Winding material Copper-clad aluminium wire

Magnet

• Force factor Bl 38N/A
• Motor constant Bl/√RE 17.5N/√W
• Air gap height HAG 16mm

Diaphragm

• Effective diameter 410mm
• Effective area SD 1320cm²
• Moving mass MMS 355g
• Moving mass (without air load) MMD 322g

Suspensions

• Stiffness KMS 15.2N/mm
• Compliance CMS 66µm/N
• Equivalent volume to the compliance VAS 145L
• Mechanical resistance RMS 16.2N·s/m

Dimensions

• Nominal diameter 19″
• 483mm
• Overall diameter 480mm
• Baffle cutout diameter 446mm
• Overall depth 254mm
• Volume occupied by the driver 11L
• Net weight 12.7kg