Federal Signal AD-SF-25 - Speaker, 25 Watt, Flush Mount
Federal Signal

AD-SF-25

Alternate Item Number: atkinson-dynamics-non-amplified-speaker

UPC: 782979207054


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Overview

The Federal Signal AD-SF-25 is a 25-watt flush-mount speaker designed for industrial environments. Its compact 7.25" diameter and 5" depth allow seamless integration into panels, walls, or equipment while maintaining a low profile. The speaker delivers clear audio transmission with an 8-ohm input impedance and 800-5000Hz frequency response, ideal for machine alerts, safety announcements, and operational instructions. Built with a heavy-duty cast aluminum housing and powder coat finish, the AD-SF-25 withstands dust, moisture, and temperature extremes from -50°F to 150°F (-46°C to 66°C). The IP66-rated Type 4X enclosure ensures reliable performance in indoor or outdoor applications, making it suitable for factories, warehouses, and control rooms. Weighing 5.0 lbs (2.27 kg), the speaker mounts flush to surfaces for a clean installation. Manufactured by Federal Signal under SKU AD-SF-25, it provides durable, high-quality sound for industrial communication needs.
  • 25-watt power output for clear audio transmission
  • Flush-mount design with 7.25" diameter and 5" depth
  • IP66-rated Type 4X enclosure for dust, moisture, and temperature resistance (-50°F to 150°F)
  • 8-ohm input impedance and 800-5000Hz frequency response
  • Cast aluminum housing with powder coat finish for durability

Specifications

-50 to 150
DEG F
5
IN
7.25
IN
Application
Indoor/Outdoor
Brand Name
Federal Signal
Diameter
7.25 in (184.15 mm)
Enclosure
Type 4X, IP66
Frequency Response
800 Hz - 5000 Hz HZ
Frequency Response
800 to 5,000 HZ
Height
5 IN
Length
7.25 IN
Mounting
Flush
Mounting Type
Flush Mount
Operating Temperature
-31D to +150DF (-44D to +66DC) DEG F
Operating Temperature, Maximum
150 F
Operating Temperature, Maximum
66 C
Operating Temperature, Minimum
-31 F
Operating Temperature, Minimum
-44 C
Series
AD-SF
Special Features
Non-Amplified
Sub Brand
Atkinson Dynamics
Type
Intercoms
Width
7.25 IN
Package Dimensions (L x W x H)
10 IN x 6 IN x 12 IN
Package Dimensions (L x W x H)
25.4 cm x 15.24 cm x 30.48 cm
Package Weight (Imperial)
5.500 L
Package Weight (Metric)
2.722 kg
Speaker, 25 Watt, Swivel Mount

AD-SS-25

Speaker, 25 Watt, Swivel Mount
Atkinson Dynamics Wall Mount Intercom, 24VDC, Secondary Unit, Extreme Conditions - Available in 12VDC, 24VDC, 120VAC or 240VAC. Heavy-duty industrial intercom for indoor or outdoor applications. Single channel, two-way communications. Integrated volume control and Talk/Listen switch. Balanced line output. 25 watt speaker. Cast aluminum housing with rugged powder coat finish. Conformal coated PCB. Type 4X enclosure. Marine Listed. CSA Certified. UL and cUL Listed.

AD-56D-4

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Speaker, 25 Watt, Wall Mount

AD-SO-25

Speaker, 25 Watt, Wall Mount
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AD-57D

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AD-27

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AD-27-2

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AD-27-2W3

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Atkinson Dynamics Wall Mount Intercom, 240VAC, Call Button, Auxiliary Signal Ready - Available in 12VDC, 24VDC, 120VAC or 240VAC. Heavy-duty industrial intercom for indoor or outdoor applications. Single channel, two-way communications. Integrated volume control and Talk/Listen switch. Balanced line output. 25 watt speaker. Cast aluminum housing with rugged powder coat finish. Conformal coated PCB. Type 4X enclosure. Marine Listed. CSA Certified. UL and cUL Listed.

AD-57A-3

Atkinson Dynamics Wall Mount Intercom, 240VAC, Call Button, Auxiliary Signal Ready - Available in 12VDC, 24VDC, 120VAC or 240VAC. Heavy-duty industrial intercom for indoor or outdoor applications. Single channel, two-way communications. Integrated volume control and Talk/Listen switch. Balanced line output. 25 watt speaker. Cast aluminum housing with rugged powder coat finish. Conformal coated PCB. Type 4X enclosure. Marine Listed. CSA Certified. UL and cUL Listed.
Intercom, 120VAC, T/L Switch, Volume Control, Secondary Unit, Extreme Conditions

AD-27D-4

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Intercom, 120VAC, T/L Switch, Volume Control, Call Button, Foot Pedal Ready

AD-27A-2

Intercom, 120VAC, T/L Switch, Volume Control, Call Button, Foot Pedal Ready
Atkinson Dynamics Wall Mount Intercom, 120VAC, Call Button, Auxiliary Signal Ready, Extreme Conditions - Available in 12VDC, 24VDC, 120VAC or 240VAC. Heavy-duty industrial intercom for indoor or outdoor applications. Single channel, two-way communications. Integrated volume control and Talk/Listen switch. Balanced line output. 25 watt speaker. Cast aluminum housing with rugged powder coat finish. Conformal coated PCB. Type 4X enclosure. Marine Listed. CSA Certified. UL and cUL Listed.

AD-27A-3-4

Atkinson Dynamics Wall Mount Intercom, 120VAC, Call Button, Auxiliary Signal Ready, Extreme Conditions - Available in 12VDC, 24VDC, 120VAC or 240VAC. Heavy-duty industrial intercom for indoor or outdoor applications. Single channel, two-way communications. Integrated volume control and Talk/Listen switch. Balanced line output. 25 watt speaker. Cast aluminum housing with rugged powder coat finish. Conformal coated PCB. Type 4X enclosure. Marine Listed. CSA Certified. UL and cUL Listed.

Frequently Asked Questions

What are the available mounting options?

The speakers are available for flush, wall, and swivel mounting. Specific models correspond to each option.

What is the frequency response of the speakers?

The speakers have a frequency response range of 800-5000Hz.

What is the input impedance of the speakers?

The input impedance for these speakers is 8 Ohms.

What are the dimensions of the AD-SF-25 model?

The AD-SF-25 has a diameter of 7.25 inches and a depth of 5.00 inches.

What are the dimensions of the AD-SS-25 model?

The AD-SS-25 has a height of 8.40 inches, a width of 6.25 inches, and a depth of 5.05 inches.

What are the dimensions of the AD-SO-25 model?

The AD-SO-25 has a height of 9.88 inches, a width of 6.50 inches, and a depth of 4.26 inches.

What is the net weight of the AD-SF-25 speaker?

The net weight of the AD-SF-25 speaker is 5.0 lbs (2.27 kg).

What is the enclosure type for these speakers?

The speakers feature a Type 4X, IP66 enclosure, suitable for indoor/outdoor use.

What is the power rating of these speakers?

These are 25 watt speakers.

Can these speakers be used outdoors?

Yes, these speakers are designed for both indoor and outdoor applications. They feature a Type 4X, IP66 enclosure.

How to Install the AD-SF-25 Speaker

This guide provides step-by-step instructions for installing the AD-SF-25 speaker, including mounting, wiring, and initial setup.

Estimated time: 45m

Tools needed:

Screwdriver, Wire strippers, Multimeter

Supplies needed:

Mounting screws, Silicone RTV sealant, Terminal connectors

  1. Prepare the mounting location

    Select a flat and rigid surface for mounting the AD-SF-25 speaker. Ensure the area is clear of obstructions and suitable for installation.

  2. Mount the speaker

    Drill a 6-1/8" diameter hole for the speaker. Secure the speaker using the six mounting holes with appropriate screws. Apply a bead of silicone RTV around the outer flange to ensure a watertight seal.

  3. Connect the audio wires

    Using a licensed electrician, connect the audio wires to the speaker terminals. Ensure the power is off during this process to avoid electrical shock.

  4. Test the installation

    After all connections are made, turn on the power and test the speaker to ensure it is functioning correctly. Use a multimeter to verify the connections if necessary.

  5. Finalize the installation

    Once testing is complete, secure any loose wires and provide a copy of the installation instructions to the operating personnel.

Frequently Asked Questions about Federal Signal

What certifications and standards do Federal Signal products comply with?

Federal Signal products are certified across multiple international standards, including UL (Underwriters Laboratories) in the USA, CSA (Canadian Standards Association), CE (European Community), UKCA (United Kingdom), EAC (Russia), and C-Tick (Australia and New Zealand). Their products meet rigorous safety and performance standards for industrial environments, with specific compliance in electrical equipment enclosures, functional safety, and environmental protection ratings.

What is Federal Signal's warranty policy?

Federal Signal offers a comprehensive limited warranty covering most products for 1-5 years from the date of delivery, with specific terms varying by product category. Mechanical sirens, beacons, speakers, and sounders typically receive 5-year parts and labor coverage, while electronic sirens and controllers generally have 2-year warranties. All warranties require return to the factory for service, and on-site services are not included. Certain components like domes, lenses, lamps, and batteries are specifically excluded from warranty coverage.

What industries and applications are Federal Signal products used for?

Federal Signal products are used across multiple critical industrial and municipal sectors for notification, communication, and safety systems. Their product lines cover essential applications including fire alarm systems, public address and telephony, outdoor warning systems, visual and audible signals, and emergency communication networks. Key industries served include manufacturing, municipal emergency services, industrial facilities, and infrastructure environments where clear, reliable communication and safety signaling are paramount.

What technical support does Federal Signal offer?

Federal Signal offers comprehensive technical support through their dedicated [email protected] email and direct phone line at +1 708.534.4756. Their support covers a wide range of notification and communication solutions, including technical assistance for products in public address, telephony, fire alarm, visual and audible signals, outdoor warning systems, and intercoms.

What are the main product lines offered by Federal Signal?

Federal Signal offers comprehensive notification and communication solutions across multiple product lines, including Visual Signals, Audible Signals, Telephony, Intercoms, Fire Alarm, Outdoor Warning Systems, Public Address, and Initiating Systems. Their product range is designed to provide clear communications and critical process notifications that enhance safety and compliance in industrial and public environments.

What are the key features of Federal Signal products?

Federal Signal products are comprehensive notification solutions designed to enhance safety and communication across industrial environments. Their key features include visual and audible signals, fire alarm systems, outdoor warning systems, public address capabilities, telephony, and intercoms. These products provide critical process notifications, ensure safety compliance, and offer advanced technologies like secure encrypted communication, cloud-based control systems, and customizable emergency response interfaces.

What environmental ratings do Federal Signal products have?

Federal Signal products offer robust environmental ratings across multiple standards, including UL 508A, CSA, NEMA, and IEC 60529. Their enclosures are rated for Type 1, 2, 3, 4, 4X, 12, and 13 environments, with IP66 protection, and can operate in temperatures ranging from -40°F to 266°F. These ratings ensure superior protection against dust, water, corrosion, and extreme conditions for indoor and outdoor industrial applications.

What accessories are available for Federal Signal products?

Federal Signal offers multiple accessories for their signaling products, including coupling kits, cable entry adapters, indicator rings, legend plates, and mounting brackets. Key accessories include E-Box endcap kits with M20 and M25 openings, U-Brackets for dual configurations, and color-coded indicator rings in black, blue, green, magenta, red, and yellow. Additional options like adapters for NPT connections and specialized mounting hardware are also available for their Global Series signaling platforms.

What communication protocols do Federal Signal products support?

Federal Signal supports multiple industrial communication protocols including PROFIBUS DP, PROFINET, EtherNet/IP, CANopen, and Modbus RTU. These protocols enable flexible network integration across various industrial automation environments, supporting both traditional fieldbuses and modern Ethernet-based communication standards.

How are Federal Signal products typically installed?

Federal Signal products are typically installed using professional mounting configurations that include wall brackets, base stations, and specialized mounting hardware. Depending on the specific product line—such as outdoor warning systems, visual signals, or audible signals—installation involves precise mounting options like wall-mount antenna brackets, base station radio packages, and modular component assemblies. Each product configuration includes specific mounting accessories like endcaps, adapters, and terminal blocks to ensure secure and compliant installation in industrial and safety-critical environments.