Table 3 Product Specifications - Federal Signal Corporation D1 Series Installation And Maintenance Manual

Input Voltage
Standby Current
Operating Current
Power Consumption
Input Voltage
Standby Current
Operating Current
Input Impedance
Input Voltage
Output Impedance
Unbalanced Signal Line
Unbalanced Signal Line, Standby
Balanced Signal Line
Low-Level Signal Line
Output Voltage Levels, No Load (< 3% THD)
Unbalanced Signal Line
Balanced Signal Line
Low-Level Signal Line
Output Voltage Levels, Max. Load (< 3% THD)
Unbalanced Signal Line
Balanced Signal Line
Low-Level Signal Line
Tone Output Voltage Levels, No Load (sq. wave)
Unbalanced Signal Line
Balanced Signal Line
Low-Level Signal Line
Tone Output Levels Max. Load (sq. wave)
Unbalanced Signal Line
Balanced Signal Line
Low-Level Signal Line
Model 300MB-SD CommCenter Series D1

Table 3 Product specifications

Power Input
Emergency Power Source Input
Audio/Cascade Input
Audio Outputs
Signal to Noise Ratio (< 1.5 % THD)
Installation and Maintenance Manual
120/240 Vac, 50 Hz to 60 Hz; 24 Vdc
50 mA, 120 Vac
25 mA, 240 Vac
210 mA (max.)
26 W (max.)
22 Vdc to 32 Vdc
90 mA
760 mA
5 k Ω
1 Vpp (max.)
25 Ω (max.)
120 Ω
40 Ω (max.)
600 Ω
9 Vrms
17 Vrms
1 Vpp
8 Vrms (25 Ω load)
15 Vrms (40 Ω load)
1 Vpp (600 Ω load)
12 Vrms
25 Vrms
1 Vpp
12 Vrms (25 Ω load)
20 Vrms (40 Ω load
0.56 Vrms (600 Ω load)
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