Eminence Sigma Pro 18 A V2 18" Speaker 650 W 8 Ohms - die-cast Basket Overview
SIGMA PRO 18A Professional SeriesRecommended for professional audio as a woofer in vented enclosures.
- Product type Loudspeaker Chassis
- Type PA
- Nominal Diameter 18 "
- Nominal Diameter 457.2 mm
- Voice Coil 3 "
- Voice Coil 76.2 mm
- Overall diameter 457.2 mm
- Pitch Circle Diameter 438.2 mm
- Section Diameter 420.5 mm
- Diameter of fixing holes 7.1 mm
- Depth 207 mm
- Nominal Impedance 8 Ohm(s)
- Nominal Load Capacity 650 W
- maximum rated load 1300 W
- Sensitivity (1 W / 1 m) 99 dB
- Frequency response 41 - 2400 Hz
- Voice Coil Material copper
- Magnet Ferrite
- Depth of the magnetic gap 9.53 mm
- Thiele & Small Parameter
- Fs (Resonance Frequency) 28 Hz
- Re (DC resistance) 6.29 Ohm(s)
- Qms (mechanical quality) 8.28
- Le (inductance of the voice coil) 1.9 mH
- Qes (electrical quality) 0.3
- Qts (overall quality) 0.29
- Vas (equivalent volume) 441.2
- Mms (moving mass) 130 g
- BL (power factor) 22.1 T/m
- Xmax (maximum displacement) 6.1 mm
- Cms (elasticity of the suspension) 0.24 mm/N
- Sd (membrane area) 1140 cm²
- Weight 12,75 kg