Code: HD60035
The Harmonic Design Sub21 is a high-performance 21" subwoofer with 1800W RMS power for deep bass, excellent impulse response, and SPL up to 143 dB.
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Harmonic Design Sub21 - 21" 1800w RMS @ 8 Ohms Subwoofer with M20 Plate
The hd Sub21 is a passive high-performance subwoofer equipped with a 21“ neodymium woofer chassis of the latest generation with bass reflex tuning for medium to large sound reinforcement applications. The specially developed loudspeaker chassis, which achieves extremely high sound pressure and resilience thanks to its innovative design, sets new standards in the ratio of size to performance in mobile or permanently installed applications.
At just under 60 kg, the compact housing is also quite handy. An M20 threaded insert on the top of the housing allows a spacer rod to be accommodated. In addition, four abrasion-resistant rubber feet on the underside and the associated cutouts on top provide for a secure stacking of the same enclosure. The enclosure is made of multiplex wood and provided with a shock and weather-resistant polyurethane coating. The speaker front is protected by a sturdy front grille with internal acoustic foam. Generously dimensioned transport handles are integrated into the side walls.
Features:
- 1x 21“N High-Performance Subwoofer 1800 W / 7200 W
- frequency response from 27 Hz
- excellent impulse behavior, fast attack
- high SPL up to 143 dB
- standalone or cardioid subwoofer array
- Principle: bass reflex system
- Transducers: 1x 21“N long-excursion woofer, 5“ voice coil, vented at pole piece and spider
- Crossover: active up to max. 110 Hz
- Power handling capacity (RMS/Peak): 1800W / 7200W
- Frequency range: 27 Hz – 110 Hz
- Sensitivity (1 W / 1 m): 102 dB
- SPLmax (Half-Space): 143 dB
- Nominal impedance: 8 Ohms
- Connection: 2x Speakon NL4
- Dimensions (W x H x D): 650 x 590 x 750 mm, wheels: 650 x 590 x 875 mm
- Weight: 60 kg
- Enclosure: 18 mm multiplex birch wood, baffle 36 mm multiplex birch wood, polyurea plastic coating black, steel grille coated, Acoustic foam, transport handles, prepared for 100 mm hd SilentWheels, M20 thread insert
