BOSCH LB1-UM50E-D Speaker Dinding Pasif 2×5 Inch 2 Way 8 Ohm 75 Watt (High Impedance, EN-54)
Cabinet loudspeaker 50 W, aluminum extruded enclosure, two-way system, including wall bracket, EN54-24 certified, charcoal RAL 7021.
Description
The Premium‑sound range of cabinets is intended for clear reproduction of speech, foreground and background music to be used in general indoor and outdoor applications. The range comprises two models, offering a choice of 20 W or 50 W power handling capacity. The enclosures are made from aluminum with ABS top and bottom covers and are available in charcoal (D) and white (L). Typical applications for these products are: theme bars, music restaurants, theme parks, retail outlets, audio visual, boardrooms and offices, exhibition areas and presentation environments, fitness centre. Its excellent sound reproduction capability is attributed the superb to the use of high‑quality driver components and crossover network design. A self‑restoring passive element protects the high frequency driver against incidental overload. A three‑way ceramic terminal block with screw connections suitable for loop-through wiring is located in the compartment in the base of the unit. An easy to install, sturdy wall mounting bracket is standard supplied. The same bracket can be used in combination with the universal floor stand LBC 1259/00 for temporary installations.
Fitur
- 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
Spesifikasi
| Product | LB1-UM20E-(D/L) | LB1-UM50E-(D/L) |
|---|---|---|
| Description | Premium-sound Cabinet Loudspeaker | Premium-sound Cabinet Loudspeaker |
| Maximum Power | 30 W | 75 W |
| Rated Power (PHC) | 20 W | 50 W |
| Power Tapping | 20 / 10 / 5 / 2.5 W | 50 / 25 / 12.5 / 6.25 W |
| Sound Pressure Level at Rated Power / 1 W (1 kHz, 1 m) | 101 dB / 88 dB (SPL) | 108 dB / 91 dB (SPL) |
| Sound Pressure Level at Rated Power / 1 W (1 kHz, 4 m) | 87 dB / 74 dB (SPL) | 94 dB / 79 dB (SPL) |
| Effective Frequency Range (-10 dB) | 90 Hz to 20 kHz | 90 Hz to 20 kHz |
| Opening Angle at 1 kHz / 4 kHz (-6 dB) | Horizontal: 174° / 136° Vertical: 127° / 141° |
Horizontal: 186° / 126° Vertical: 84° / 62° |
| Rated Input Voltage | 12.65 V | 20 V |
| Rated Impedance | 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 |
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 6.25 W N.A. 800 Ohm 1600 Ohm |
| Connector | 3-pole screw block | 3-pole screw block |
| Product | LB1-UM20-(D/L) | LB1-UM50-(D/L) |
|---|---|---|
| Dimensions (W x D) | 274 x 160 x 180 mm 10.78 x 6.29 x 7.08 in |
405 x 160 x 180 mm 15.94 x 6.29 x 7.08 in |
| Loudspeaker Diameter | Woofer: 134.5 mm (5 in) Dome Tweeter: 25.4 mm (1 in) |
Woofer: 134.5 mm (5 in) Dome Tweeter: 25.4 mm (1 in) |
| Material | Cabinet: Aluminum Front Grille: Aluminum Top and Bottom: ABS |
Cabinet: Aluminum Front Grille: Aluminum Top and Bottom: ABS |
| Color | White (RAL 9010) (L) or Charcoal (RAL 7021) (D) | White (RAL 9010) (L) or Charcoal (RAL 7021) (D) |
| Weight | 3.88 kg (8.55 lb) | 5.58 kg (12.30 lb) |
| Product | LB1-UM20-(D/L) | LB1-UM50-(D/L) |
|---|---|---|
| Operating Temperature | -25 ºC to +55 ºC (-13 ºF to +131 ºF) | -25 ºC to +55 ºC (-13 ºF to +131 ºF) |
| Storage and Transport Temperature | -40 ºC to +70 ºC (-40 ºF to +158 ºF) | -40 ºC to +70 ºC (-40 ºF to +158 ºF) |
| Relative Humidity | < 95% | < 95% |









