Biamp Desono ENT-LF ENTASYS Low Frequency Column Loudspeaker (White) - 911.1393.900 is backordered and will ship as soon as it is back in stock.
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Product Overview
The Biamp Desono ENT-LF is a passive low-frequency column loudspeaker in the ENTASYS modular line-source family, designed to extend low-frequency pattern control in highly reverberant spaces. As a true line-source column for houses of worship, auditoriums, and large multi-purpose rooms, it pairs with ENT-FR full-range columns to improve speech intelligibility in challenging acoustic environments.
Product Description
The Desono ENT-LF offers high output and high power handling in an architecturally appealing enclosure. The scalable design supports configurations from single columns to floor-to-ceiling arrays of any length. The ENT-LF is a low-frequency column in the same size enclosure as the ENT-FR, designed to extend low-frequency pattern control while minimizing overall system cost. It is most beneficial in medium to large highly reverberant spaces; as a modular true line source, longer arrays minimize reflections, reducing reverberation and increasing speech intelligibility. The ENT-LF is equally suited for indoor and outdoor direct-exposure applications, and a wide range of mounting brackets is available. Community recommends the ALC-1604D amplified loudspeaker controller for this product.
Key Features
- Modular line-source design — The column delivers versatile coverage that is free of unwanted lobes.
- Low-frequency pattern control — Six 3.5-inch drivers with optimized spacing extend narrow vertical beamwidth into lower frequencies.
- Indoor or outdoor use — The IP54-rated enclosure is suited for indoor and outdoor direct-exposure applications.
- Integrated mounting — An integrated T-Bar mounting bracket is included with each column.
- High output — The column handles 600W at 12 ohms (2400W peak) for high maximum SPL.
Typical Applications
- House of worship
- Auditorium
- Multi-purpose room
- Government space
Technical Specifications
| Operating Mode | Passive |
| Operating Environment | Indoor or outdoor direct exposure |
| Operating Range | 200 Hz - 1.6 kHz |
| Transducers | Six 3.5" drivers with optimized spacing |
| Continuous Power Handling | 85V, 600W @ 12 ohms (2400W peak) |
| Nominal Sensitivity | 90 dB |
| Nominal Maximum SPL (single unit) | 116 dB |
| Required Accessories | Digital signal processor / 200 Hz high-pass filter |
| Recommended Amplifiers | 600W - 1200W @ 12 ohms (85V - 120V) |
| Environmental | IP54 per IEC 60529; designed in accordance with MIL-STD-810G |
| Dimensions (H x W x D) | 44.5" x 5.5" x 7.36" (1129 x 140 x 187 mm) |
| Weight | 25 lbs (11.3 kg) |
| Finish | White high-gloss extruded paintable PVC |
| Included Accessories | T-Bar mounting bracket, input wiring cover, top connector cover |
Frequently Asked Questions
What is the ENT-LF used for?
It is a low-frequency column that extends low-frequency pattern control when paired with ENT-FR full-range ENTASYS columns in reverberant spaces.
Can it be used outdoors?
Yes. The IP54-rated enclosure with included rain cover is suited for indoor and outdoor direct-exposure use.
Does it require signal processing?
Yes. A digital signal processor and a 200 Hz high-pass filter are required.
Which amplified controller is recommended?
Community recommends the ALC-1604D; higher-power ALC models may also be used safely.
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