A sharper eye for a safer world.
Ceiling Speaker
Modular Ceiling Loudspeaker System-Door Access Controller with Keypad LBC-3520-40-112
- Innovative tri-cone loudspeaker
- Excellent speech and music reproduction
- No compromise between acoustics and aesthetics
- Constant directivity with wave guide grille
- Predictable sound quality with (optional back box)
Technical Specifications:
| Technical | |
| Product | LBC 3520/40 |
| Max power | 18 W |
| Rated power | 12 / 6 / 3 W |
| SPL at RP / 1 W (1 kHz, 1 m) | 101 / 90 dB (SPL) |
| SPL at RP / 1 W (2 kHz, 1 m) | 105 / 94 dB (SPL) |
| "Effective frequency range (-10 dB)" | 60 Hz to 20 kHz |
| Opening angle at 1 kHz/4 kHz (-6 dB) | 150° / 75° |
| Opening angle at 1 kHz/4 kHz (-6 dB) | 150° / 120°with wave guide |
| Rated voltage | 100 V |
| Impedance | 833 ohm |
| Connector | Screw-terminal |
| Mechanical | |
| Diameter | "292 mm (11.5in)" |
| Max depth | 98 mm (3.9 in) |
| Mounting cut-out | 255 mm (10.03 in) |
| Speaker diameter | 152.4 mm (6 in) |
| Magnet weight | 245 g (8.6 oz) |
| Max ceiling thickness | 50 mm (1.97 in) |
| Weight | 1.6 kg (3.52 lb) |
| Color | Black |
| Environmental | |
| Operating temperature | -25 ºC to +55 ºC (-13 ºF to +131 ºF). |
| Storage temperature | -40 ºC to +70 ºC (-40 ºF to .+158 ºF) |
| Relative humidity | <95%. |