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Bosch LB1-UM20E-D Premium-Sound Cabinet Loudspeaker Range (20W, Charcoal)

B&H # BOLB1UM20ED Mfr # F.01U.076.928
Usually ships in 7-10 business days

Availability Details

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This item is usually Drop Shipped from the MFR/Distributor within 7-10 business days (subject to availability). Your order will be charged at the time of placing the order with the vendor. Item is non-cancelable and non-returnable.

International Orders*
For international orders, credit cards will be charged at time you place your order.

Free Standard Shipping
Not eligible for free Expedited Shipping
You Pay: $170.00
Product Highlights
  • Metal Housing
  • For Indoor and Outdoor Use

The 20W charcoal LB1-UM20E-D Premium-Sound Cabinet Loudspeaker Range from Bosch is intended for clear reproduction of speech, foreground, and background music to be used in general indoor and outdoor applications. The range has a 20 W power handling capacity. The enclosures are made from aluminum with ABS top and bottom covers.

The typical applications are theme bars, music restaurants, theme parks, retail outlets, audio visual, boardrooms and offices, exhibition areas and presentation environments, and fitness centers. Its sound reproduction capability is attributed 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 3-way ceramic terminal block with screw connections suitable for loop-through wiring is located in the compartment, at 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.

It is supplied with a built-in 70 / 100 V transformer with taps on the primary winding for full-power, half-power, quarter-power, and one-eighth power radiation. These taps are connected to a rotary vari-tap switch located in the compartment at the base of the enclosure, to allow simple output power setting. A low ohmic connection is also provided on the vari-tap switch.

Voice Alarm
This Voice alarm loudspeaker is specifically designed for use in buildings, where the performance of Public Address systems is subject to official regulations. It is designed for voice alarm systems, and is EN 54-24 certified and compliant with BS 5839-8 and EN 60849.
Protection
The loudspeaker has built-in protection to ensure that in the event of a fire damage there is no failure of the connected circuit. In this way, system integrity is maintained; ensuring loudspeakers in other areas can still be used to inform people of the situation.
Connections and Safety
The loudspeaker has a ceramic terminal block, thermal fuse, and heat-resistant, high-temperature wiring. The cabinets have a provision for internally mounting the line/loudspeaker supervision board (sold separately).
Certifications and Approvals
The loudspeaker is designed to withstand operating at its rated power for 100 hours in accordance with IEC 268-5 Power Handling Capacity (PHC) standards. Bosch has also developed the Simulated Acoustical Feedback Exposure (SAFE) test to demonstrate that the speakers can withstand 2 times their rated power for short durations.

This ensures extra reliability under extreme conditions, leading to greater customer satisfaction, longer operating life, and much less chance of failure or performance deterioration.
General
High-fidelity music and speech reproduction
Supplied with adjustable wall-mounting bracket
Self-restoring overload protection
Provision for internal mounting of the line / loudspeaker supervision board (sold separately)
EN 54-24 certified
Electrical
Maximum Power 30 W
Rated Power PHC: 20 W
Power Taps 20 / 10 / 5 / 2.5 W
Sound Pressure Level: At Rated Power / 1 W (1 kHz, 3.2' (1.0 m)): 101 dB / 88 dB (SPL)
Frequency Range Effective (-10 dB): 90 Hz to 20 kHz
Opening Angle: At 1 kHz / 4 kHz (-6 dB):
Horizontal: 174° / 136°
Vertical: 127° / 141°
Input Voltage Rated: 12.65 / 70 / 100 V
Impedance Rated: 8 / 250 / 500 Ω
Connector 3-pole screw block
Sensitivity Octave SPL 1 W/1 m:
125 Hz: 82.5
250 Hz: 82.5
500 Hz: 85.4
1000 Hz: 88.2
2000 Hz: 88.0
4000 Hz: 85.5
8000 Hz: 86.3

Total octave SPL 1 W/m:
A-weighted: 84.1
Lin-weighted: 85.0

Total octave SPL Pmax/m:
A-weighted: 96.4
Lin-weighted: 97.4 1
Please Note:

Acoustical performance specified per octave. All measurements are done with a pink noise signal; the values are in dBSPL.

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Angle Horizontal
125 Hz: 360
250 Hz: 360
500 Hz: 206
1000 Hz: 174
2000 Hz: 128
4000 Hz: 136
8000 Hz: 132
Vertical:
125 Hz: 360
250 Hz: 360
500 Hz: 360
1000 Hz: 127
2000 Hz: 141
4000 Hz: 141
8000 Hz: 117
Environmental
Operating Temperature -13 to +131°F (-25 to +55°C)
Storage Temperature -40 to +158°F (-40 to +70°C)
Relative Humidity <95%
Certifications and Approvals
Safety According to EN 60065
Emergency According to BS 5839-8, EN 60849, & EN 54-24
Water and Dust Resistance According to EN60529 IP65
Self-Extinguishing ABS According to UL 94 V 0
Force Wind: According to NEN 6702:2007 +A1: 2008, Bft11
Certification Europe CPD
Mechanical
Material Cabinet: Aluminum
Front Grille: Aluminum
Top and Bottom: ABS
Diameter Loudspeaker: Woofer: 5.0" (134.5 mm)
Dome Tweeter: 1.0" (25.4 mm)
Dimensions 10.78 x 6.29 x 7.08" (274.00 x 160.00 x 180.00 mm)
Weight 8.55 lb (3.88 kg)
Note: Technical performance data according to IEC 60268-5.
Bosch LB1-UM20E-D Premium-Sound Cabinet Loudspeaker Range (20W, Charcoal)
  • Mounting Bracket
  • Limited 3-Year Warranty
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