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Ceiling loudspeaker the Bosch LC4-UC12E
Ceiling loudspeaker the Bosch LC4-UC12E
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Ceiling loudspeaker the Bosch LC4-UC12E

Description

The 12W white LC4-UC12E Ceiling Loudspeaker from Bosch can be used for a wide variety of ceiling environments. It provides speech and music in indoor public address applications. The CosCone driver technology, used in this loudspeaker, stands for delivering outstanding sound quality from a small-sized unit. It ensures a wide and equal spread of all octave frequencies and eliminates high-frequency beaming.

Only a few loudspeakers are needed to cover a given area, and the noticeable fading that can occur as a listener walks from one loudspeaker to another area is eliminated. It is a light and compact unit with an unobtrusive, neutral designed front grille.

This 12W loudspeaker comes with a wide opening angle, ensuring a wide and equal spread of the important frequency octaves for speech intelligibility and music clarity. It also includes a back-box and metal fire-dome. This installation-friendly unit comes with a cutting template, and is secured in ceilings up to 2” (50mm) thick using 2 integral screw-driven clamps.

Connections are made using a screw terminal block on the frame, where each incoming and outgoing conductor of the same potential can be connected to a separate screw on a terminal block. Power tapping on both 70V and 100V allows selection of full-power, half-power, quarter-power, eight-power radiation, and 8Ω. A selector at the front of the frame simplifies the required selection of the power setting. The loudspeaker grille, standard supplied, can be secured to the loudspeaker unit with a quick bayonet fitting after installation of the loudspeaker into the ceiling.

The included back-box (LC4-CBB) protects the rear of the loudspeaker from dust, falling objects, makes the unit vermin proof, and prevents sound traveling via the ceiling cavity to adjacent areas. The back-box is assembled with the loudspeaker by means of a snap-in construction and has knock-out holes for 2 grommets 0.4” (11.5mm) and for 2 cable glands 0.8” (20.5mm) aside and on the top.

You can easily install individual loudspeakers and loudspeakers / fire-dome combinations. The included metal fire-dome (LC4-MFD) mounting is fixed in the ceiling prior to the ceiling speaker mounting. The fire-dome is provided with a safety cord allowing the installer to temporarily hang the loudspeaker in the fire-dome, while connecting.

Both the loudspeaker and back-box have provision for mounting the line / supervision board (sold separately). The Loudspeaker also has a provision for adding a capacitor (sold separately) in case the loudspeaker is used in systems with DC supervision.

  • This ensures extra reliability under extreme conditions, leading to great customer satisfaction, long operating life, and less chance of failure or performance deterioration.
  • It is designed to withstand operating at the rated power for 100 hours in accordance with IEC 268-5 PHC (Power Handling Capacity) standards. Bosch has also developed the SAFE (Simulated Acoustical Feedback Exposure) test to demonstrate that the speakers can withstand 2 times their rated power for short durations. 

Certifications and Approvals

General:

  • Innovative CosCone full range driver.
  • Good speech and music reproduction.
  • Unrivalled opening angle for all octave frequencies.
  • Paintable grille.
  • EN 54-24 and BS5839 compliant.

Specific:

  • Impedance Rated: 8 / 418 / 833 Ω.
  • Connector 4-way screw terminal block.
  • Sensitivity Octave SPL 1 W/m:
  • 125 Hz: 85.9.
  • 250 Hz: 83.7.
  • 500 Hz: 86.1.
  • 1000 Hz: 86.8.
  • 2000 Hz: 89.4.
  • 4000 Hz: 88.5.
  • 8000 Hz: 90.5.
  • Total octave SPL 1 W/m:
  • A-weighted: 85.9.
  • Lin-weighted: 88.0.

Total octave SPL Pmax/m:

  • A-weighted: 95.1.
  • Lin-weighted: 97.4.
  • Angle Horizontal & Vertical.
  • 125 Hz: 180.
  • 250 Hz: 180.
  • 500 Hz: 180.
  • 1000 Hz: 180.
  • 2000 Hz: 180.
  • 4000 Hz: 180.
  • 8000 Hz: 128.

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:

  • Compliance According to EN 60065.
  • Compliance EVAC: According to BS 5839 part 8, EN 54-24.
  • Water and Dust Resistance EVAC: According to EN60529 IP21.
  • Certification Europe CE.

Mechanical:

  • Material Loudspeaker Unit: ABS.
  • Front Grille: Steel mesh with ABS.
  • Diameter 7.87" (200.00 mm).
  • Mounting Cut-Out: 6.38" (162.00 mm).
  • Ceiling Thickness Minimum to Maximum: 0.19 to 1.97" (5.00 to 50.00 mm).
  • Maximum Depth 2.75" (70.00 mm).
  • Weight 1.86 lb (840.00 kg).
  • Back-Box.
  • Diameter 6.29" (160.00 mm).
  • Maximum Depth 3.07" (78.00 mm).
  • Material ABS.
  • Weight 0.35 lb (160.00 kg).
  • Metal Fire-dome.
  • Diameter 7.75 / 6.88" (197.00 / 175.00 mm).
  • Maximum Depth 6.14" (156.00 mm).
  • Mounting Cut‑Out: 7.00" (178.00 mm).
  • Ceiling Thickness Minimum to Maximum: 0.19 to 1.97" (5.00 to 50.00 mm).
  • Material Steel.
  • Weight 2.20 lb (998.00 kg).

Packaging Info:

  • Package Weight 2.734 lb.
  • Box Dimensions (LxWxH) 9.055 x 9.055 x 4.331".
Code: LC4-UC12E
4 311

Installment

216 / months.

In installments
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• the recommended down payment is 60-70%;
• for regular customers with a positive history
of payments, possible contribution from 30%;
• you will pay the balance in equal installments.
Within the next 6 months from
the time of purchase

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The first installment 3017.7
6  payments 215.6
The sum of all payments 4311
Overpayment 0 ₴
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Description

The 12W white LC4-UC12E Ceiling Loudspeaker from Bosch can be used for a wide variety of ceiling environments. It provides speech and music in indoor public address applications. The CosCone driver technology, used in this loudspeaker, stands for delivering outstanding sound quality from a small-sized unit. It ensures a wide and equal spread of all octave frequencies and eliminates high-frequency beaming.

Only a few loudspeakers are needed to cover a given area, and the noticeable fading that can occur as a listener walks from one loudspeaker to another area is eliminated. It is a light and compact unit with an unobtrusive, neutral designed front grille.

This 12W loudspeaker comes with a wide opening angle, ensuring a wide and equal spread of the important frequency octaves for speech intelligibility and music clarity. It also includes a back-box and metal fire-dome. This installation-friendly unit comes with a cutting template, and is secured in ceilings up to 2” (50mm) thick using 2 integral screw-driven clamps.

Connections are made using a screw terminal block on the frame, where each incoming and outgoing conductor of the same potential can be connected to a separate screw on a terminal block. Power tapping on both 70V and 100V allows selection of full-power, half-power, quarter-power, eight-power radiation, and 8Ω. A selector at the front of the frame simplifies the required selection of the power setting. The loudspeaker grille, standard supplied, can be secured to the loudspeaker unit with a quick bayonet fitting after installation of the loudspeaker into the ceiling.

The included back-box (LC4-CBB) protects the rear of the loudspeaker from dust, falling objects, makes the unit vermin proof, and prevents sound traveling via the ceiling cavity to adjacent areas. The back-box is assembled with the loudspeaker by means of a snap-in construction and has knock-out holes for 2 grommets 0.4” (11.5mm) and for 2 cable glands 0.8” (20.5mm) aside and on the top.

You can easily install individual loudspeakers and loudspeakers / fire-dome combinations. The included metal fire-dome (LC4-MFD) mounting is fixed in the ceiling prior to the ceiling speaker mounting. The fire-dome is provided with a safety cord allowing the installer to temporarily hang the loudspeaker in the fire-dome, while connecting.

Both the loudspeaker and back-box have provision for mounting the line / supervision board (sold separately). The Loudspeaker also has a provision for adding a capacitor (sold separately) in case the loudspeaker is used in systems with DC supervision.

  • This ensures extra reliability under extreme conditions, leading to great customer satisfaction, long operating life, and less chance of failure or performance deterioration.
  • It is designed to withstand operating at the rated power for 100 hours in accordance with IEC 268-5 PHC (Power Handling Capacity) standards. Bosch has also developed the SAFE (Simulated Acoustical Feedback Exposure) test to demonstrate that the speakers can withstand 2 times their rated power for short durations. 

Certifications and Approvals

General:

  • Innovative CosCone full range driver.
  • Good speech and music reproduction.
  • Unrivalled opening angle for all octave frequencies.
  • Paintable grille.
  • EN 54-24 and BS5839 compliant.

Specific:

  • Impedance Rated: 8 / 418 / 833 Ω.
  • Connector 4-way screw terminal block.
  • Sensitivity Octave SPL 1 W/m:
  • 125 Hz: 85.9.
  • 250 Hz: 83.7.
  • 500 Hz: 86.1.
  • 1000 Hz: 86.8.
  • 2000 Hz: 89.4.
  • 4000 Hz: 88.5.
  • 8000 Hz: 90.5.
  • Total octave SPL 1 W/m:
  • A-weighted: 85.9.
  • Lin-weighted: 88.0.

Total octave SPL Pmax/m:

  • A-weighted: 95.1.
  • Lin-weighted: 97.4.
  • Angle Horizontal & Vertical.
  • 125 Hz: 180.
  • 250 Hz: 180.
  • 500 Hz: 180.
  • 1000 Hz: 180.
  • 2000 Hz: 180.
  • 4000 Hz: 180.
  • 8000 Hz: 128.

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:

  • Compliance According to EN 60065.
  • Compliance EVAC: According to BS 5839 part 8, EN 54-24.
  • Water and Dust Resistance EVAC: According to EN60529 IP21.
  • Certification Europe CE.

Mechanical:

  • Material Loudspeaker Unit: ABS.
  • Front Grille: Steel mesh with ABS.
  • Diameter 7.87" (200.00 mm).
  • Mounting Cut-Out: 6.38" (162.00 mm).
  • Ceiling Thickness Minimum to Maximum: 0.19 to 1.97" (5.00 to 50.00 mm).
  • Maximum Depth 2.75" (70.00 mm).
  • Weight 1.86 lb (840.00 kg).
  • Back-Box.
  • Diameter 6.29" (160.00 mm).
  • Maximum Depth 3.07" (78.00 mm).
  • Material ABS.
  • Weight 0.35 lb (160.00 kg).
  • Metal Fire-dome.
  • Diameter 7.75 / 6.88" (197.00 / 175.00 mm).
  • Maximum Depth 6.14" (156.00 mm).
  • Mounting Cut‑Out: 7.00" (178.00 mm).
  • Ceiling Thickness Minimum to Maximum: 0.19 to 1.97" (5.00 to 50.00 mm).
  • Material Steel.
  • Weight 2.20 lb (998.00 kg).

Packaging Info:

  • Package Weight 2.734 lb.
  • Box Dimensions (LxWxH) 9.055 x 9.055 x 4.331".
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