D.A.S. Audio EVENT-121A 21" Powered 3200w Horn-Bass Extended Subwoofer
The EVENT-121A is a direct radiating rear-loaded powered subwoofer system which incorporates a single 21″ neodymium loudspeaker providing “earth-moving” low-frequency reproduction for the EVENT Series line arrays. The combination of direct radiation and rear-loading provides a high output, tight and accurate sub-bass response.
Event-121A
Employs the new DAS 21LFN loudspeaker which offers impressive features such as a 4″ sandwich split winding voice coil, a powerful FEA optimized neodymium magnet assembly and a FEA optimized suspension system with double silicon spider. The result is a loudspeaker with exceptional sensitivity, high power handling capacity and a quality suspension design capable of withstanding the stress and mechanical fatigue of today´s high-power pro audio systems. An aluminum demodulating ring benefits lower distortion and effective forced ventilation of the voice coil gap provides for a high thermal rating, and reduced power compression.
The EVENT-121A electronics package includes a 3200w peak Class D amplifier and 24-bit high-end DSP for top quality audio reproduction. On the rear panel, controls can be found for gain, polarity and a continually variable low-pass filter which ranges from 63 Hz to 100 Hz. A unique “cardioid preset” button simplifies the use of subs in cardioid configurations, making setup of two to three units a snap without the need for an external DSP. The EVENT-121A is phase response coherent with the EVENT-208A, EVENT-210A and EVENT-212A active tops offering precise alignment. Two balanced inputs with stereo filtered outputs which can be switched to pass-through connections are provided.
Features
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Powered
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3200w Peak Total Power
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21″ Speaker
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Horn-bass extended subwoofer
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SPL Max: 141 dB
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Dispersion: Omnidirectional
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Weight: 78.5 kg (173.1 lb)
Specs
Performance |
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| Frequency Range (-10 dB) | 30 Hz – 125 Hz |
| Maximum Peak SPL at 1 m | 141 dB |
Electronics and Connectors |
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| Nominal Amplifier Power (continuous) | 1600 W |
| Nominal Amplifier Power (peak) | 3200 W |
| Input Type | Balanced |
| Input Impeadance | 20 kohms |
| Input Sensitivity | 6.2 V (+18 dBu) |
| Audio Signal Input Connector | 2 x Female XLR |
| Audio Signal Loop Thru Connector | 2 x Male XLR |
| AC Output Connector | powerCON NAC3FCB |
| Current Draw 230 V / 115 V | 3.6 A/7.2 A |
Enclosure |
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| Enclosure Construction | Birch Plywood |
| Enclosure Geometry | Rectangular |
| Rigging | M10 Rigging Points |
| Finish | ISO-flex Paint |
| Color | Black |
| Dimensions ( H x W x D ) | 965 x 740 x 755 mm 38 x 29.1 x 29.7 in |
| Net Weight | 78.5 kg (173.1 lb) |
Components |
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| LF Driver | 21LFN |
| Brand | D.A.S. Audio |
|---|---|
| Series | DAS Event Series |
| Cab Material | Birch Plywood |
| Powered | Yes |
| Total Power | 2000W to 5000W |
| Max SPL at Peak | 140dB and over |

