11
Installation and Maintenance Manual
Federal Signal
www.fedsig.com
An Overview of the Model 300MB
Table 3 Product specifications (continued)
Audio Frequency Response, Balanced Signal Line
40 Ω Max. Load, from 250 Hz to 80 kHz
(Reference 1 kHz)
-3 dB
40 Ω Max. Load, from 450 Hz to 60 kHz
(Reference 1 kHz)
-1 dB
No Load, from 100 Hz to 90 kHz
(Reference 1 kHz)
-3 dB
No Load, from 200 Hz to 60 kHz
(Reference 1 kHz)
-1 dB
Audio Distortion from Cascade Input to Balanced Signal
Line Output (40 Ω Load)
0.2 %
Fuses
F1
Type GMC-1, 1 A, 250 V
F2
Type GMC-1/2, 1/2 A, 250 V
Physical Specifications
Shipping Weight
6.6 lb (3.0 kg)
Net Weight
5.5 lb (2.5 kg)
Dimensions (D,W, H)
2.27 x 9.41 x 11.57 in
(57.7 x 239.0 x 293.9 mm)
Operating Temperature
32°F to 120°F (0°C to 49°C)
