Speaker Drivers · 21"
LF-21X215
21" FERRITE SUBWOOFER · 2600 W AES
21" · FERRITE SUBWOOFER
Key Specifications
Nominal Diameter
21"
Nominal Impedance
4 ohm
Sensitivity (1W/1m)
95 dB
Frequency Range
38 Hz - 800 Hz
Voice Coil Diameter
215 mm
Net Weight
40.64 kg
- 215 mm voice coil, 5200 W maximum power.
- Designed for high output touring subwoofer systems.
Specifications
General Specifications
- Nominal Diameter
- 21"
- Nominal Impedance
- 4 ohm
- AES Power Handling
- 2600 W
- Maximum Power
- 5200 W
- Sensitivity (1W/1m)
- 95 dB
- Frequency Range
- 38 Hz - 800 Hz
- Voice Coil Diameter
- 215 mm
- Winding Material
- PISV
- Former Material
- TGL
- Winding Depth
- 31 mm
- Magnetic Gap Depth
- 11.75 mm
- Xmax (Linear Excursion)
- +/- 17.5 mm
- Surround Material
- Polycotton
- Surround Design
- W-roll
- Magnet
- Ferrite, dia. 400 mm
Mounting Information
- Overall Diameter
- 550 mm
- Bolt Circle Diameter
- 520 x 8 x 6.5
- Baffle Cut-out Diameter
- 500 mm
- Depth
- 220 mm
- Net Weight
- 40.64 kg
- Shipping Carton Size
- 585 x 585 x 290 mm
Thiele-Small Parameters
- Fs (Resonance Frequency)
- 38 Hz
- Re (DC Resistance)
- 3.6 ohm
- Qms (Mechanical Factor)
- 6.22
- Qes (Electrical Factor)
- 0.43
- Qts (Total Factor)
- 0.65
- BL Factor
- 39.7 T.m
- Mms (Moving Mass)
- 805 g
- Cms (Compliance)
- 0.0162
- Vas (Equivalent Air Load)
- 79 liters
- Sd (Piston Area)
- 1870 cm2
- Eta Zero
- 5.93 %
LF-21X215 · Frequency Response · 1W / 1m
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