Edwards 757-7A-SS25 Speaker Strobe 15/75 Candela

The Edwards 757-7A-SS25 Speaker Strobe 15/75 Candela is an audible/visible fire alarm notification appliance from the Edwards Integrity 757 Series. It combines a 4-inch cone speaker with a synchronized strobe in a red wall-mount configuration.

The 757-7A-SS25 is designed for 25 VRMS emergency voice circuits and provides selectable speaker taps from ¼ to 2 watts. Its strobe is UL 1971 rated at 15 candela, with 75 candela on-axis under its 15/75 configuration.

Product Functions

• Provides emergency voice notification
• Provides visible fire alarm notification
• Combines speaker and strobe functions
• 15/75 candela visual output
• 4-inch cone speaker
• Designed for 25V audio circuits
• Provides selectable speaker wattage
• Red housing
• FIRE marking
• Clear strobe lens
• Designed for wall mounting
• Supports synchronized strobe operation
• Supports emergency paging and evacuation messages
• Designed for compatible fire alarm voice systems

Emergency Voice Speaker

The 757-7A-SS25 incorporates a 4-inch cone speaker designed for high-quality emergency voice communications and signaling tones.

Typical applications include:

• Evacuation instructions
• Emergency announcements
• Alert and alarm tones
• Prerecorded emergency messages
• Live emergency paging

The speaker incorporates a sealed-back Mylar construction designed for durability and reliable audible performance.

25V Audio Operation

The speaker is specifically designed for:

25 VRMS

emergency voice circuits.

The related 757-7A-SS70 provides similar functionality for 70 VRMS speaker circuits.

Selectable Speaker Wattage

The 757-7A-SS25 provides selectable speaker taps:

¼ W

½ W

1 W

2 W

These settings allow the audible output and amplifier loading to be adjusted according to the requirements of the voice evacuation system.

15/75 Candela Strobe

The visual portion provides:

UL 1971 Rating: 15 cd

On-Axis Output: 75 cd

This configuration is commonly identified as a:

15/75 cd strobe

The strobe provides high-visibility fire alarm notification for compatible life-safety applications.

Synchronized Notification

The 757-7A-SS25 supports synchronized strobe operation and is compatible with the Edwards Genesis synchronization protocol.

Synchronization allows multiple compatible strobes within the same field of view to flash together rather than independently.

FIRE Configuration

The specific configuration is:

Model: 757-7A-SS25

Series: Integrity 757

Device Type: Speaker Strobe

Color: Red

Marking: FIRE

Lens: Clear

Mounting: Wall

Speaker: 4-inch Cone

Speaker Voltage: 25 VRMS

Speaker Taps: ¼ / ½ / 1 / 2 W

Strobe: 15/75 cd

Electrical & Audio Information

Model: 757-7A-SS25

Device Type: Speaker Strobe

Speaker Voltage: 25 VRMS

Speaker Taps: ¼ / ½ / 1 / 2 W

Strobe Rating: 15 cd UL 1971

On-Axis Output: 75 cd

Color: Red

Marking: FIRE

Lens: Clear

Mounting: Wall

Notification: Audible / Visible

757-7A-SS25 Datasheet