Home » Sound Evacuation Systems » Compact public address and voice alarm system EN54-16 and EN54-4 certified model LDA ONE-500
The system includes 2 amplification channels with 200 Wrms (500 W music/voice as per EN60065) to distribute between 6 zones. Line supervision without return cable (EOL devices not included). DSP processor. 6 control zones. Possibility of wall installation, rack and desk. Integrated battery charger and housing EN 54-4 certified (OPTIONAL: To be activated with uSD card). Integration interface with fire alarm panel. EVAC and ALERT pre‐recorded messages. All integrated, no need for external applications. 4 pre‐AMP outputs. 3 audio inputs with priority and mixed audio input. 6 override outputs.

General features:
• 3 audio inputs.
• Up to 8 MPS-8Z multizone micropohones or VAP-1 panels connected with CAT5 UTP cable.
• 2 class D amplifiers with two configurations for 100V/70V lines up to 500W.
• Digital audio matrix 6×6, expandable.
• 4 pre-amp outputs for external PA amplifiers connection.
• DSP: 3/7-band input/output parametric equalizer, loudness, LDA sound enhancer, independent volume control per each input and output master.
• Access control by LCD display.
• Control for up to 16 LDA AT6 attenuators.
• 8+2 GPIO ports, supervised for integration with Fire Alarm Control Panel.
Voice alarm/emergency features:
• Certified under EN 54-16, EN 54-4 and EN 60849 standards.
• Failure detection and indication in all emergency functions.
• Fire Alarm Control Panel integration.
• Double player for pre-recorded evacuation messages.
• Manual control of emergency states with access control.
• Emergency log.
• Loudspeaker lines supervision.
• Line terminator without return for supervision.
• Backup amplifier included.
• 10 minutes storage for pre-recorded messages.
| Model | ONE-500 |
| Reference | LDAONE500S01 |
| Power supply | 100 - 240V~ 50/60Hz |
| Power consumption | 350W max / 100W at 1/8 output power |
| Frequency response | 80 – 20000Hz +/-1dB |
| Signal to noise ratio | SNR~95dB, A-weighted |
| Distorsion factor | <0.1% according to IEC 60268 |
| Gain adjustment per channel | -100dB +10dB, 1dB steps |
| DSP | Integrated - 48 kHz, 24 bits - 344 MIPS |
| BGM audio inputs | 1 x balanced audio 1 Vrms. 10 KΩ, 3 Pin, Euroblock type |
| Priority audio inputs | 2 x balanced audio 1 Vrms. 10 KΩ, 4 Pin, Euroblock type (GPIO) |
| General control (GPIO) | 2 x control I/O, 0-5 V, 100 Ω, in PRIO audio inputs |
| LDA ACSI Bus | 1 x balanced audio 1 Vrms. 10 KΩ, RJ-45 female, total 800m / 2624.7ft |
| ACSI-Link connectivity | 2 x balanced audio 1 Vrms. 10 KΩ, RJ-45 female, total 800m / 2624.7ft |
| Pre-amp audio outputs | 4 x balanced audio 1 Vrms. 100 Ω, 3 Pin, Euroblock type |
| Attenuators control | 6 x override 24V DC, 6 x 30mA, 2 Pin, Euroblock type (4 pin connector) |
| Emergency control inputs | 8 x 0 - 5V DC, monitored inputs, 2 Pin, Euroblock type (4 pin connector) |
| Emergency control outputs | 2 x contact closure output, NO, max 60V DC 130mA, 2 Pin, Euroblock type (4 pin connector) |
| Virtual matrix | 15 x 24 maximum |
| Amplifier | 2 x 500W D class (250Wrms x 2) @ 70 / 100V. Min load 20 Ω |
| Backup amplifiers | 1 backup amplifier with automatic priority according to EN 54-16 |
| Speaker line outputs | 6 x 100V audio. Min. impedance: 20 Ω 500W (outputs 1 and 2), 80 Ω 120W (rest), 2 Pin, Euroblock type |
| Output power | 500 W according to EN60065. 200 Wrms according to EN 54-16 |
| Protection | Over-temperature, infrasonic, short circuit, slow start-up, overload |
| Emergency power | 181x76x167mm battery housing, up to 22Ah |
| Battery charger | Integrated, smart charging up to 3 amperes |
| Display | Backlit LCD 2 rows x 16 characters |
| Operation conditions | -5 ºC to +45 ºC / 23 ºF to 113 ºF - 5% to 95% relative humidity (without condensation) |
| Finish | Materials: Fe y AL - Colours: RAL7016 and RAL9005 |
| Weight | 7.5 Kg / 15.76 lb |
| Dimensions (W x H x D) | 453mm x 88mm x 455mm / 18.2” x 3.46” x 18” |
| Accessories | Male Euroblock connectors, installation screws, 4 x rubber foot |
| NOTE: | This is a preview datasheet. Technical data and characteristics may be changed or updated without prior notice. Product image is indicative only. |