Biamp Desono ENT-LF-CTO Low-Frequency High Performance IP54 Column Line Source Loudspeaker
Usually arrives in 5-9 business days.
Special Order (Return conditions apply)
Please be aware that global supply shortages outside our control may interfere with our normal delivery times and product availability. For more information, email sales@proacoustics.com or call us at 888-256-4112.The Desono ENT-FR-CTO is a premium three-way column line source loudspeaker designed for permanent installations in demanding acoustic environments. Offering superior performance, high output, and excellent speech intelligibility, it's an ideal solution for auditoria, houses of worship, transportation hubs, conference centers, stadium concourses, and museums.
With its modular and scalable design, the ENT-FR-CTO supports configurations from single units to floor-to-ceiling arrays of any length, ensuring precise coverage and flexibility. Longer arrays effectively minimize reflections and reverberation, greatly improving clarity in medium to large reverberant spaces.
The ENT-FR-CTO is equally at home in indoor or outdoor direct exposure applications, providing consistent reliability and performance. Its modular system also allows installers to customize vertical lobes, either symmetrically or asymmetrically, to achieve highly focused or multi-lobe coverage previously only possible with powered, steered arrays.
For best performance, the Community ALC1604D amplifier is recommended, with support for higher-power ALC models where additional headroom is required. Combined with a wide selection of mounting brackets, the ENT-FR-CTO delivers architecturally refined, flexible, and professional-grade sound reinforcement for the most challenging environments.
| Operating Mode | Passive |
|---|---|
| Operating Environment | Indoor / Outdoor Direct Exposure |
| Operating Range (-10 dB) | 200 Hz - 20 kHz |
| Nominal Beamwidth (H x V) | Horizontal: 120° Vertical: 12° or 6° (user configurable) |
| Transducers | LF: Six 3.5" neodymium MF: Eighteen 2.35" HF: Forty-two 1" (six 7" long by 1" wide planar-coupled Compact Ribbon Emulators) |
| Continuous Power Handling | 85V, 600W @ 12Ω (2400W Peak) @ Nominal Impedance |
| Nominal Sensitivity | Curved (12°): 93 dB Straight (6°): 95 dB |
| Nominal Maximum SPL (Single unit) | Curved (12°): 120 dB Straight (6°): 122 dB |
| Typical SPL at 100 feet (30 meters) | 96 dB |
| Required Accessories | Digital Signal Processor / External High Pass Filter - 200Hz, 12 dB /octave |
| Recommended Amplifiers | 600W - 1200W @ 12Ω (85V - 120V) |
| Input Connection | Top: (1) Dual Banana (male) Bottom: (1) NL4 locking connector (2) Terminal strip (1) Banana (female) |
| Baffle Form | Configurable; straight, curved, and asymmetric curve |
| Certifications | IP54 per IEC 60529, designed in accordance with MIL-STD-810G Included ABS plastic rain cover with integrated cable inlet and 1" (25.4 mm) knockout for conduit ingress |
| Dimensions (H x W x D) | 44.5" (1129 mm) x 5.5" (140 mm) x 7.36" (187 mm) |
| Net Weight | 40 lbs (18.1 kg) |
| Shipping Weight | 50 lbs (22.68 kg) |
Model #:
Usually arrives in 5-9 business days.
Model #:
Usually arrives in 5-9 business days.