8
Specifications
Directional Speaker Array (Models DSA2, DSA4, and DSA6)
Federal Signal www.fedsig.com
Each array set covers one 90° quadrant. The dB(C) ratings at 100 feet on axis are shown
below:
DSA2 111 dB(C)
DSA4 117 dB(C)
DSA6 121 dB(C)
The DSA provides excellent voice reproduction and, with the aid of the UltraVoice
Controller, produces the following pre-programmed warning signals: Wail, Pulsed Steady,
Pulsed Wail, Alternating Alert, Alternating Wail, and Westminster Chimes. The UltraVoice
Controller can be networked and provide voice messages for clear instructions during
emergency notification.
Features
The DSA has the following features:
• Maintenance Free
• Multiple mounting options available—wall, pole (wood or steel)
• Able to mount up to four speaker arrays per pole
• Each speaker contains multiple 100-watt drivers
• Provides excellent voice reproduction when used with the UltraVoice Controller
• Available in three models for a wide range of sound coverage
Specifications
Table 1 DSA Specifications
Color
Black projectors and off-white housing
Paint type
TGIC polyester powder coat
Projector Type
Re-entrant
Frequency Response
200 to 2000 Hz
Operating temp range
-22°F to +140°F (-30°C to +60°C)
Humidity range
95% ± 2%
Table 2 Mounting Configurations and Horizontal Coverage
Single Unit
70°
Two Units:
Side by Side at 90°
180°
Opposite Sides of pole at 180°
140° Collectively
Three adjacent sides at 90° to one another
210°
Four sides at 90° to one another
360°
