GE Security EST3 User Manual

Centralized audio applications
4.8 EST3 Installation and Service Manual
Audio amplifiers
Two Dukane amplifiers are available. Model 1B3125 is rated at
125 watts output. Model 1B3250 is rated at 250 watts output.
Both amplifiers operate from 120 Vac, 50/60 Hz, as well as 24
Vdc battery backup. The amplifiers are mounted in an Amplifier
Terminal Panel Cabinet.
Note: The Model 1B3250 amplifier should be loaded to no more
than 72% of rated capacity. The amp is derated by 28% to allow
for continuous operation and line loss averages.
Two Fifty
THERMAL
OVERLO A D
PO WER
[
C1B3250X.CDR
]
Figure 4-4: Dukane 250-watt Amplifier, Front View
Table 4-2: 1B3125 Amplifier specifications
Rated output power 125 W
Max. signal input 1 Vrms
Input impedance 75 kΩ
Output voltage 25 or 70 Vrms
Primary power 120 Vac, 60 Hz
Battery power 24 Vdc
AC power consumption
standby
full load
27 W
360 W
DC power consumption
standby
full load
0 W (when using the ATP)
11.5 A
Dimensions (HWD) 5.25 x 19.0 x 6.625 in
(13.3 x 48.3 x 16.8 cm)
Weight 22.5 lb (10.1 kg)
Table 4-3: 1B3–250 Amplifier specifications
Rated output power 250 W (180 W max. loaded)
Max. signal input 1 Vrms
Input impedance
75 kΩ

GE Security EST3 Specifications

General

Brand	GE Security
Model	EST3
Category	Security Sensors
Language	English