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LF Driver 21"
Black Spider 217A
A 21-inch bass driver with a 6-inch copper voice coil, 4000W peak and 30Hz–1kHz response for horn-loaded subs.
- RMS power
- 1000W
- Peak power
- 4000W
- Driver
- 21" LF driver
- Voice coil
- 152mm
- Crowd size
- —
- Amplifier
- —
Ideal for: Subwoofers · Horn-loaded cabinets
Details
Full specifications
A high-power low-frequency transducer designed for sub-bass and horn-loaded enclosures.
Specifications
- Nominal diameter: 21 inches (530mm)
- Power: 1000W AES · 2000W program · 4000W peak
- Nominal impedance: 8Ω (also available in 4 or 16Ω)
- Voice coil: 6.0-inch (152mm) copper
- Sensitivity (1W/1m): ~98dB
- Frequency range: 30Hz – 1kHz
- Heavy-duty cast aluminium chassis with extra-wide flange
- Large ceramic/ferrite magnet assembly
- Paper cone with treated fabric triple-roll surround
- Weight: ~31.7kg