Sica LP90.28/N92TW - 28mm Hochtonkalotte 8 Ω, 94dB (Z009160)

Sica LP90.28/N92TW - 28mm Hochleistungskalotte
Wirkungsgrad von über 94 dB/2.83V/m

 

• . 1.1" voice coil aluminium former and flat aluminium wire
• . Treated silk dome with additional damping treatment
• · Neodymium magnet circuit with damping material inside
• · Cooling radiator to reduce power compression
• · Low resonance, 600Hz
• · Damped rear chamber
• · 94.4 dB sensitivity

ELECTRICAL CHARACTERISTICS

Nominal Impedance........................... 8 Ω
Musical Power ................................. 80 W
Rated Power* .................................. 40 W
Sensitivity @ 1 W, 1 m ....................... 94.4 dB


GENERAL CHARACTERISTICS
Nominal Overall Diameter ................. 90 mm
Nominal Voice Coil Diameter .............. 28 mm
Magnet Weight ............................... 92 g
Flux Density................................... 1.80 T
Weight ......................................... 0.41 Kg

THIELE-SMALL PARAMETERS
Voice Coil DC Resistance ........... RE 6.00 Ω
Resonance Frequency ............... fs 600 Hz
Mechanical Q Factor................. QMS 2.61
Electrical Q Factor................... QES 0.47
Total Q Factor........................ QTS 0.39
Mechanical Moving Mass ............ MMS 0.63 g
Force Factor .......................... B×l 5.37 Wb/m


CONSTRUCTIVE CHARACTERISTICS
Magnet................................. Neodymium
Voice Coil Winding................... Aluminium Flat Wire
Voice Coil Former.................... Aluminium
Voice Coil Winding Height .......... 2.7mm
Dome Material........................ Treated Silk
Flange ................................. Aluminium
Air Gap Height........................ 3.0mm
Ferrofluid in Air Gap ................ No