LBC3484/00 - Megaphone BOSCH - Free user manual and instructions
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| Product Type | Horn Loudspeaker (Voice Alarm System) |
| Model | LBC3484/00 |
| Brand | Bosch |
| Maximum Power | 75 W |
| Rated Power (Tappings) | 50 W / 25 W / 12.5 W |
| Sound Pressure Level (SPL) | 127 dB (at 50 W, 1 kHz, 1 m) / 110 dB (at 1 W, 1 kHz, 1 m) |
| Effective Frequency Range (-10 dB) | 350 Hz to 4 kHz |
| Opening Angle (-6 dB) | 60° (1 kHz) / 28° (4 kHz) |
| Rated Voltage | 100 V |
| Rated Impedance | 200 Ω |
| Connector | Screw terminal block |
| Dimensions (Length x Max Diameter) | 499 x 490 mm (19.7 x 19.3 in) |
| Weight | 6 kg (13.2 lb) |
| Color | Light gray (RAL 7035) |
| Cable Diameter | 6 mm to 12 mm (0.24 to 0.47 in) |
| Operating Temperature | -25 °C to +55 °C (-13 °F to +131 °F) |
| Storage Temperature | -40 °C to +70 °C (-40 °F to +158 °F) |
| Relative Humidity | < 95% |
| Compliance | EN 54-24 (Voice alarm systems) |
| Application | Indoor/outdoor paging and voice alarm |
| Mounting | Wall or ceiling bracket (adjustable) |
| Maintenance | Clean with dry cloth; avoid water and solvents |
| Safety | Installation by qualified personnel; disconnect power before servicing |
Frequently Asked Questions - LBC3484/00 BOSCH
What is the maximum power rating of the Bosch LBC3484/00 horn loudspeaker?
The maximum power is 75 W, with selectable tappings at 50 W, 25 W, and 12.5 W for 100 V lines.
How loud is the LBC3484/00?
It provides a sound pressure level of 127 dB at 50 W (1 kHz, 1 m) and 110 dB at 1 W (1 kHz, 1 m).
What is the frequency range of this loudspeaker?
The effective frequency range (-10 dB) is 350 Hz to 4 kHz, suitable for speech reproduction.
What are the dimensions and weight of the LBC3484/00?
Dimensions are 499 x 490 mm (length x max diameter) and weight is 6 kg (13.2 lb).
What is the impedance of this speaker?
At the 100 V rated voltage, the rated impedance is 200 Ω.
What color is the LBC3484/00?
It is light gray, RAL 7035.
Is the Bosch LBC3484/00 compliant with fire alarm standards?
Yes, it is certified to EN 54-24 for voice alarm systems in fire detection and fire alarm systems.
What type of connector does it use?
It uses a screw terminal block for cable connection, accepting cable diameters from 6 mm to 12 mm.
Can this loudspeaker be used outdoors?
Yes, it is designed for indoor and outdoor use with an operating temperature range of -25 °C to +55 °C and <95% humidity.
How do I install the horn loudspeaker?
The unit can be mounted using the adjustable bracket. Ensure a minimum tilt of 10° to prevent moisture ingress. Wiring should follow the 100 V line with proper tapping selection. Installation must be done by a qualified professional.
User questions about LBC3484/00 BOSCH
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USER MANUAL LBC3484/00 BOSCH
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Two identical gray megaphone devices with adjustable side brackets, shown against a white background (no text or symbols visible)Horn Loudspeaker
LBC 3482/00, LBC 3483/00, LBC 3484/00
BOSCH
en Installation note
1
Installation
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Technical line drawing of a mechanical device with no visible text or symbols
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Mechanical assembly diagram showing a rotating shaft and housing mechanism (no text or symbols)
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Mechanical assembly diagram showing a motor and linkage mechanism (no text or symbols)
2 Technical data
LBC 3482/00
Electrical*
| Maximum power 37.5 W | |
| Rated power 25 / 12.5 / 6.25 W | |
| Sound pressure level at 25 W / 1 W (1 kHz, 1 m) | 121 dB / 107 dB (SPL) |
| Effective frequency range (-10 dB) 550 Hz to 5 kHz | |
| Opening angle at 1 kHz/4 kHz (-6 dB) | 70° / 25° |
| Rated voltage 100 V | |
| Rated impedance 400 ohm | |
| Connector Screw terminal block | |
* Technical performance data acc. to IEC 60268-5
Mechanical
| Dimensions (L x Dmax) | 425 x 355 mm (16.7 x 14 in) |
| Weight 3.6 kg (8 lb) | |
| Color Light gray (RAL 7035) | |
| Cable diameter 6 mm to 12 mm | (0.24 in to 0.47 in) |
Environmental
| Operating temperature | -25 °C to +55 °C (-13 °F to +131 °F) |
| Storage and transport temperature -40 °C to | +70 °C (-40 °F to +158 °F) |
| Relative humidity <95% |
LBC 3483/00
Electrical*
| Maximum power 52.5 W | |
| Rated power 35 / 17.5 / 8.75 W | |
| Sound pressure level at 35 W / 1 W (1 kHz, 1 m) | 127 dB / 112 dB (SPL) |
| Effective frequency range (-10 dB) 380 Hz to 5 kHz | |
| Opening angle at 1 kHz/4 kHz (-6 dB) | 50° / 25° |
| Rated voltage 100 V | |
| Rated impedance 286 ohm | |
| Connector Screw terminal block | |
* Technical performance data acc. to IEC 60268-5
Mechanical
| Dimensions (L x Dmax) | 499 x 490 mm (20 x 19.6 in) |
| Weight 4.5 kg (9.9 lb) | |
| Color Light gray (RAL 7035) | |
| Cable diameter 6 mm to 12 mm | (0.24 in to 0.47 in) |
Environmental
| Operating temperature | -25 °C to +55 °C (-13 °F to +131 °F) |
| Storage and transport temperature -40 °C | to +70 °C (-40 °F to +158 °F) |
| Relative humidity <95% |
LBC 3484/00
Electrical*
| Maximum power 75 W | |
| Rated power 50 / 25 / 12.5 W | |
| Sound pressure level at 50 W / 1 W (1 kHz, 1 m) | 127 dB / 110 dB (SPL) |
| Effective frequency range (-10 dB) 350 Hz to 4 kHz | |
| Opening angle at 1 kHz/4 kHz (-6 dB) | 60° / 28° |
| Rated voltage 100 V | |
| Rated impedance 200 ohm | |
| Connector Screw terminal block | |
* Technical performance data acc. to IEC 60268-5
Mechanical
| Dimensions (L x Dmax) | 499 x 490 mm (20 x 19.6 in) |
| Weight 6 kg (13.22 lb) | |
| Color Light gray (RAL 7035) | |
| Cable diameter 6 mm to 12 mm | (0.24 in to 0.47 in) |
Environmental
| Operating temperature | -25 °C to +55 °C (-13 °F to +131 °F) |
| Storage and transport temperature -40 °C to | +70 °C (-40 °F to +158 °F) |
| Relative humidity <95% |
2.1
Additional technical data
Dimensions LBC 3482/00
Dimensions LBC 3483/00 and LBC 3484/00
line
| Frequency (Hz) | SPL(dB) | | -------------- | ------- | | 31.5 | 90 | | 63 | 90 | | 125 | 90 | | 250 | 90 | | 500 | 90 | | 1000 | 90 | | 2k | 90 | | 4k | 90 | | 8k | 90 | | 16k | 90 |Frequency response LBC 3482/00
line
| Frequency (Hz) | SPL (dB) | | -------------- | -------- | | 31.5 | 90 | | 63 | 90 | | 125 | 90 | | 250 | 90 | | 500 | 90 | | 1000 | 90 | | 2k | 90 | | 4k | 90 | | 8k | 90 | | 16k | 90 |Frequency response LBC 3483/00
line
| x | SPL(dB) | | ---- | ------- | | 31.5 | 90 | | 63 | 90 | | 125 | 90 | | 250 | 90 | | 500 | 90 | | 1k | 90 | | 2k | 90 | | 4k | 90 | | 8k | 90 | | 16k | 90 | | 20k | 90 |Frequency response LBC 3484/00
radar
| Angle | Value | |-------|-------| | 0° | 0 | | 30° | 0 | | 60° | 0 | | 90° | 0 | | 120° | 0 | | 150° | 0 | | 180° | 0 |
Polar diagram (measured with pink noise) LBC 3482/00
radar
| Angle | Value | |-------|-------| | 0° | 0 | | 90° | -10 | | 180° | -20 | | 150° | -15 | | 120° | -25 | | 60° | -10 | | 30° | 0 |
Polar diagram (measured with pink noise) LBC 3483/00
radar
| Angle | 250 Hz | 500 Hz | 1000 Hz | 2000 Hz | 4000 Hz | 8000 Hz | |-------|--------|--------|---------|---------|---------|---------| | 0° | - | - | - | - | - | - | | 30° | - | - | - | - | - | - | | 60° | - | - | - | - | - | - | | 90° | - | - | - | - | - | - | | 120° | - | - | - | - | - | - | | 150° | - | - | - | - | - | - | | 180° | - | - | - | - | - | - |Polar diagram (measured with pink noise) LBC 3484/00
| CE1438 |
| Bosch Security Systems BVTorenallee 49, 5617 BA Eindhoven, the Netherlands101438-CPD-0192 |
| EN 54-24:2008Loudspeaker for voice alarm systemsfor fire detection and fire alarm systems for buildingsHorn Loudspeaker 25 WLBC3482/00Type B |
CE-label LBC3482/00
| CE1438 |
| Bosch Security Systems BVTorenallee 49, 5617 BA Eindhoven, the Netherlands101438-CPD-0191 |
| EN 54-24:2008Loudspeaker for voice alarm systemsfor fire detection and fire alarm systems for buildingsHorn Loudspeaker 35 WLBC3483/00Type B |
CE-label LBC3483/00
Bosch Security Systems B.V.
Torenallee 49
5617 BA Eindhoven
Netherlands
www.boschsecurity.com
© Bosch Security Systems B.V., 2016
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Product information
Brand : BOSCH
Model : LBC3484/00
Category : Megaphone