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General Description
Description, Specifications, Installation, and Service Manual
Federal Signal
www.fedsig.com
Features
The Modulator Speaker has the following features:
• Light-weight, compact design
• Uses Federal Signal UltraVoice® for control and amplification
• Excellent frequency response for clear voice reproduction
• 360º coverage without sound variation in horizontal planes
• Easy servicing through convenient access panels
• Anechoic chamber-certified
• Optional visual signaling options that enhance the Modulator’s intelligible voice com-
munication and signaling
• New models offer steel/concrete pole mounting solution
The following is a picture of the Modulator.
Figure 1 Modulator Speaker
MOD1004B
26.37"
MOD2008B
39.91"
MOD3012B
53.51"
MOD4016B
67.11"
MOD5020B
80.71"
MOD6024B/MOD6032B
94.37"
MOD8032B
122.44"
35.00"
13.60