Honeywell Inc.  

77-6548: SDLU Series Fire Alarm Speakers. CSI 3-Part Specifications.

Honeywell   

 SDLU Series
Fire Alarm Speakers

 

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GENERAL

The SDLU Series cone-type speakers provide voice and tone signaling in fire alarm applications. All models provide excellent fidelity and unobtrusive grilles.

SDLU flush-mounted ceiling speakers come preassembled to square or round grilles. Speakers, grilles, and enclosures are UL Listed.

FEATURES
  • Contemporary design.
  • High-quality sound reproduction.
  • Multitapped transformers.
  • Fire resistant and moistureproof speaker cone, grille, and enclo-sure.
  • Speaker and grille preassembled for simplified installation.

DESCRIPTION

The SDLU Series flush-mounted ceiling speakers provide voice and tone signaling in fire alarm applications and ensure high-quality sound reproduction.

Speakers, grilles, and enclosures are UL Listed.

SPECIFICATIONS

SPEAKERS

Models:

  • SDLUAT70CAU1614: 4-inch speaker with square grille; requires SDLU1984 square enclosure.
  • SDLUAT70CAU514: 4-inch speaker with round grille; requires SDLU964 round enclosure.
  • SDLUHT70CU1618: 8-inch speaker with square grille; requires SDLU1988 square enclosure.
  • SDLUHT70CU5 18: 8-inch speaker with round grille; requires SDLU958 round enclosure.

 Electrical Ratings:

 

4-Inch
Speakers

8-Inch
Speakers

Ceramic Magnet
Frequency Response
Power
Impedance
Sensitivity at 10 feet
Primary Voltage
Primary Taps
Power Rating

5 oz
400-4000 Hz
5W rms
8 ohms
83 dB (at 1 W)
70.7v
1/2W and 1W
2W

10 oz
100 Hz-10kHz
12W rms
8 0hms
90 dB (at SW)
70.7v
1/2W, 1W, 2W, and 5W
5W

Leads:

6 in. (152 mm) long, color-coded.
4-in. speakers: 22 AWG wire.
8-in. speakers: 18 AWG wire.

Dimensions:

See Figures 1 and 2.

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GRILLES

Construction:

Cold-rolled steel.

Finish:

Hard-baked white enamel.

Dimensions:

See Figures 1 and 2.

Mounting Hardware Included:

8-32 screws for mounting grilles onto enclosures.

ENCLOSURES (Order Separately)

Construction:

Welded, heavy-gage cold-rolled steel.

Finish: Accoustic undercoating.
Rust-preventive coating.

Dimensions:

See figures 1 and 2.

Knockouts:

Each enclosure has four 1/2- and 3/4-in. (13- and 19- mm) combination knockouts.

 

 

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77-6548
Commercial Bldg Group
MLFTAB: III. B. 6.

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In the USA Honeywell Plaza, Minneapolis Minnesota 55408
In Canada North York, Ontario M2H 3N7
Subsidiaries and Affiliates Around the World

 

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