Bosch LB1-UM50E-D
Bosch LB1-UM50E-D
13,390 EGP
- High-fidelity music and speech reproduction
- Supplied with adjustable wall‑mounting bracket
- Self‑restoring overload protection
- Provision for inside mounting of the optional line/loudspeaker supervision board
- EN 54‑24 certified
Key Specifications
| Product | LB1‑UM20E‑(D/L), LB1‑UM50E‑(D/L) |
| Description | Premium‑sound Cabinet Loudspeaker, Premium‑sound Cabinet Loudspeaker |
| Rated power (PHC) | 20Â W, 50Â W |
| Power tapping | 20Â /Â 10Â /Â 5Â /Â 2.5Â W, 50Â /Â 25Â /Â 12.5Â /Â 6.25Â W |
| Sound pressure levelat rated power / 1 W (1 kHz, 1 m) | 101Â dB / 88Â dB (SPL), 108Â dB / 91Â dB (SPL) |
| Sound pressure levelat rated power / 1 W (1 kHz, 4 m) | 87Â dB / 74Â dB (SPL), 94Â dB / 79Â dB (SPL) |
| Effective frequency range(-10Â dB) | 90Â Hz to 20Â kHz, 90Â Hz to 20Â kHz |
|    horizontal | 174° / 136°, 186° / 126° |
|    vertical | 127° / 141°, 84° / 62° |
| Product | LB1‑UM20E‑(D/L) |
| Rated input voltageRated impedance | 12.65 V, 70 V, 100 V |
| 20 W | 8 Ohm, 250 Ohm, 500 Ohm |
| 10 W | N.A., 500 Ohm, 1000 Ohm |
| 5 W | N.A., 1000 Ohm, 2000 Ohm |
| 2.5 W | N.A., 2000 Ohm, 4000 Ohm |
| Product | LB1‑UM50E‑(D/L) |
| Rated input voltageRated impedance | 20 V, 70 V, 100 V |
| 50 W | 8 Ohm, 100 Ohm, 200 Ohm |
| 25 W | N.A., 200 Ohm, 400 Ohm |
| 12.5 W | N.A., 400 Ohm, 800 Ohm |
