Fire Alarm Systems | Bosch Voice Evacuation Systems
Bosch Voice Evacuation Systems
Digitally‑recorded automatic evacuation message (up
to 4 minutes of message capacity)
▶
Alarm and alert signals
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Live microphone override of message and tone
Compatible with 12 V or 24 V, analog‑addressable or
microprocessor‑based fire alarm control panels
(FACPs)
Clean dead‑front construction
Easy installation and operation
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24‑hour backup with 7 Ah batteries installed (batteries
not supplied)
The Bosch Voice Evacuation systems and expansion panels
provide a variety of options that can be easily added to an
existing fire alarm control panel system for area of assembly
applications and for high‑rise voice evacuation not requiring
firemens' phones. Choose up to 2000 W of audio amplifier
power to meet your speaker power requirements. You can
supervise multiple zones through your choice of zone
splitters.
The EVAX25, EVAX50, and EVAX100 respectively provide
25 W, 50 W, and 100 W of audio amplifier power in a
standard‑size enclosure. The EVAX150 has one 50 W audio
amplifier and one 100 W audio amplifier in a double‑size
enclosure. The EVAX200 has two 100 W amplifiers in a
double‑size enclosure.
Customize these systems to satisfy most application
requirements by adding expander panels, expander
modules, or zone splitters. Expanders can be grouped
together in any combination to provide up to 2000 W of
audio power.
System Overview
Optional Expander Panels
BOSCH Voice Evacuation Systems
All Bosch voice evacuation systems include all the
necessary features to provide an effective voice evacuation
system:
The Bosch system expander panels provide an easy and
cost-effective way to increase the output power of a Bosch
voice evacuation system. They can also provide a
manually‑activated emergency paging panel for buildings.
Features of the EVAX25E, EVAX50E, and EVAX100E:
Audio amplifier
Digital message repeater (DMR)
120 VAC power transformer and battery charger
Tone generator
Paging microphone
Surface‑mount or semi‑flush‑mount enclosure with a
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•
•
Audio amplifier
120 VAC power transformer and battery charger
Tone generator
Paging microphone
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•
•
•
•
•
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hinged, key‑locked door in charcoal‑gray (standard) or
red (optional)
Standard‑size enclosure with a hinged, key‑locked door
•
The EVAX150E and EVAX200E expander panels provide the
same features with additional power in a double‑size
enclosure housing two amplifier modules.
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Bosch Voice Evacuation Systems | 3
Speaker Wiring Requirements
Category
Product
The 25 V speaker circuits of most voice evacuation systems
are classified as power‑limited wiring and can be run with
other fire alarm wiring without ill effects. No special cabling
is required. Standard power‑limited fire alarm cable (FPL)
is sufficient for most applications; however, certain
addressable systems can generate extraneous noise from
their addressable loop. Because these addressable systems
cannot use shielded cable, shielding of the evacuation
speaker circuit helps to eliminate noise picked up and heard
in the speakers. When using 70 V circuits, separate them as
described in the National Electrical Code.
Expansion
Modules
EVX‑25 25 W Amplifier with DMR and microphone
EVX‑25E 25 W Amplifier without DMR, with microphone
EVX‑25EM 25 W Amplifier without DMR and microphone
EVX‑50 50 W Amplifier with DMR and microphone
EVX‑50E 50 W Amplifier without DMR, with microphone
EVX‑50EM 50 W Amplifier without DMR and microphone
EVX‑100 100 W Amplifier with DMR and microphone
EVX‑100E 100 W Amplifier without DMR, with microphone
EVX‑100EM100WAmplifierwithoutDMRandmicrophone
EVX‑RM Charcoal‑gray Remote Microphone Panel
Remote
Microphones
Generally, 18 AWG (1.0 mm) wire is adequate for speakers.
Heavier wire is needed if loads are high or the runs are long.
The following table indicates typical wire lengths for
specific wire sizes and speaker loads. It assumes that there
is an even distribution of speaker load and that a 20% drop
at the last device is allowable.
EVX‑RMR Red Remote Microphone Panel
EVX‑2ZA Class A Zone Splitter
Zone
Splitters
EVX‑4Z Class B Zone Splitter
Speaker Placement
25 VRMS Output:
Choose speakers that deliver a minimum ambient sound of
15 dB above the normal ambient noise level. In
high‑ambient noise areas, speakers should be tapped at
15 dB to 21 dB above the ambient noise level and placed
closer to one another to ensure that voice messages are
intelligible.
Power 18 AWG
(1.0 mm)
16 AWG
14 AWG
12 AWG
(1.3 mm)
(1.6 mm)
(2.0 mm)
10 W
15 W
25 W
1900 ft
(579 m)
3050 ft
(930 m)
4850 ft
(1478 m)
7700 ft
(2347 m)
1280 ft
(390 m)
2030 ft
(619 m)
3230 ft
(985 m)
5140 ft
(1567 m)
760 ft
(232 m)
1220 ft
(372 m)
1930 ft
(588 m)
3080 ft
(939 m)
The best way to determine speaker placement needs is to
conduct a site survey with a decibel meter to measure
ambient noise levels; however, some general rules for
speaker placement are:
70 VRMS Output:
Power 18 AWG
(1.0 mm)
16 AWG
(1.3 mm)
14 AWG
(1.6 mm)
12 AWG
(2.0 mm)
Locate speakers at all pull stations and in main
corridors similar to the layout of conventional fire
horns.
•
10 W
15 W
25 W
15200 ft
(4633 m)
24200 ft
(7376 m)
38360 ft
(11692 m)
61100 ft
(18623 m)
Ensure that all occupied locations are within 50 ft
•
10130 ft
(3088 m)
16130 ft
(4916 m)
25570 ft
(7794 m)
40730 ft
(12415 m)
(15 m) of a speaker. Place additional speakers in rooms
such as cafeterias and computer rooms. Be sure there
are speakers in isolated areas where service personnel
might be working.
6080 ft
(1853 m)
9680 ft
(2950 m)
15340 ft
(4676 m)
24440 ft
(7449 m)
For ceiling‑mount speakers, use 2 W of speaker power
for every 2000 ft (186 m ) of area covered in open
•
System Power Requirements
2
2
All Bosch voice evacuation systems require 120 VAC
connected to the system's power transformer. Standby
power is supplied, in case of AC power failure, by standby
batteries (not supplied). The EVAX25, EVAX50, and
EVAX100 require two 12 VDC, 7 Ah standby batteries. The
EVAX150 and EVAX200 require four 12 VDC, 7 Ah standby
batteries.
2
2
areas and 2 W for every 1500 ft (139 m ) in divided
areas. For wall‑mount speakers, use 1 W of speaker
2
2
power for every 2000 ft (186 m ) of area covered in
2
2
open areas and 1 W for every 1500 ft (139 m ) in
divided areas.
Speaker Power Requirements
System power (total wattage) must be sufficient to supply
the power required by all of the speakers on the system.
Speaker transformers can often be tapped for different
wattages (usually, ¼ W, ½ W, 1 W, etc.). A system rated at
25 W of audio power can power a speaker load of 25 W. This
can be made up of 25 speakers each tapped at 1 W, 50
speakers each tapped at ½ W, or any mathematical
combination that is less than or equal to 25 W.
Technical Specifications
Environmental Considerations
Relative Humidity:
Up to 95%, non condensing
Temperature (Operating):
+32°F to +120°F (0°C to +49°C)
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4 | Bosch Voice Evacuation Systems
Mechanical Properties
Power Requirements (Primary)
Color:
Standard: charcoal gray
Optional: red
Current (Input):
25 W system: 0.8 A
50 W system: 0.6 A
100 W system: 2 A
150 W system: 2.6 A
200 W system: 4 A
Dimensions (H x W x D):
Standard: 18 in. x 14.5 in. x 4 in.
(45.7 cm x 36.8 cm x 10.2 cm)
Double-size: 27 in. x 14.5 in. x 4 in.
(68.6 cm x 36.8 cm x 10.2 cm)
Voltage (Nominal Input):
120 VAC
Material:
16 gauge (1.5 mm) steel
Outputs
Tone and Voice
(at 25/70 VRMS):
25 W system: 25 W
50 W system: 50 W
100 W system: 100 W
150 W system: 150 W
200 W system: 200 W
Power Requirements (Battery)
Current (Alarm):
Current (Standby):
Power (Battery):
25 W system: 1 A
50 W system: 1 A
100 W system: 2.5 A
150 W system: 1 A
200 W system: 5 A
25 W system: 0.18 A
50 W system: 0.13 A
100 W system: 0.18 A
150 W system: 0.31 A
200 W system: 0.36 A
24 VDC
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Bosch Voice Evacuation Systems | 5
Bosch Voice Systems Information
Bosch Voice Evacuation Systems with DMR and microphone)
Consists of
Consists of
Consists of
Model
Model
Model
EVAX25*
1
1
1
1
1
EVAX50*
1
1
1
1
1
1
1
1
EVAX100*
1
1
1
1
1
1
1
1
EVAX25*/4Z
EVAX25*/8Z
EVAX25*/2ZA
1
1
1
1
2
EVAX50*/4Z
EVAX50*/8Z
EVAX50*/12Z
1
2
3
EVAX100*/4Z
EVAX100*/8Z
EVAX100*/12Z
2
3
1
2
EVAX25*/4ZA
1
1
EVAX50*/16Z
EVAX50*/2ZA
EVAX50*/4ZA
EVAX50*/6ZA
EVAX50*/8ZA
1
1
1
1
1
4
1
EVAX100*/16Z
EVAX100*/2ZA
EVAX100*/4ZA
Evax100*/6ZA
EVAX100*/8ZA
1
1
1
1
1
4
1
1
2
3
4
1
1
1
2
3
4
1
1
1
1
1
1
Consists of
Consists of
Model
Model
EVAX150*
1
1
1
1
1
1
1
1
EVAX200*
1
1
1
1
1
1
1
1
EVAX150*/8Z
EVAX150*/12Z
EVAX150*/16Z
EVAX150*/4ZA
EVAX150*/6ZA
EVAX150*/8ZA
1
1
1
1
1
1
2
3
4
EVAX200*/8Z
EVAX200*/12Z
EVAX200*/16Z
EVAX200*/4ZA
EVAX200*/6ZA
EVAX200*/8ZA
1
1
1
1
1
1
2
3
4
2
3
4
2
3
4
* The asterisk (*) is not part of the number; it is a placeholder for indicating the color option. For a charcoal gray
enclosure, drop the asterisk (*). For a red enclosure, replace the asterisk (*) with an R.
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6 | Bosch Voice Evacuation Systems
EVAX Expansion Panels - EM models (without DMR, without microphone)
Consists of
Consists of
Consists of
Model
Model
Model
EVAX25EM*
1
1
1
1
1
EVAX50EM*
1
1
1
1
1
EVAX100EM*
1
1
1
1
1
1
1
EVAX25EM*/4Z
EVAX25EM*/8Z
EVAX25EM*/2ZA
1
2
1
1
1
EVAX50EM*/4Z
EVAX50EM*/8Z
EVAX50EM*/12Z
1
2
3
1
1
EVAX100EM*/4Z
EVAX100EM*/8Z
EVAX100EM*/12Z
1
2
3
1
2
1
1
1
1
EVAX25EM*/4ZA
1
1
EVAX50EM*/16Z
EVAX50EM*/2ZA
EVAX50EM*/4ZA
EVAX50EM*/6ZA
EVAX50EM*/8ZA
1
1
1
1
1
4
EVAX100EM*/16Z
EVAX100EM*/2ZA
EVAX100EM*/4ZA
Evax100EM*/6ZA
EVAX100EM*/8ZA
1
1
1
1
1
4
1
2
3
4
1
1
1
2
3
4
1
1
1
1
1
1
Consists of
Consists of
Model
Model
EVAX150EM*
1
1
1
1
1
1
1
1
EVAX200EM*
1
1
1
1
1
1
1
1
EVAX150EM*/8Z
EVAX150EM*/12Z
EVAX150EM*/16Z
EVAX150EM*/4ZA
EVAX150*/6ZA
EVAX150*/8ZA
1
1
1
1
1
1
2
3
4
EVAX200EM*/8Z
EVAX200EM*/12Z
EVAX200EM*/16Z
EVAX200EM*/4ZA
EVAX200EM*/6ZA
EVAX200EM*/8ZA
1
1
1
1
1
1
2
3
4
2
3
4
2
3
4
* The asterisk (*) is not part of the number; it is a placeholder for indicating the color option. For a charcoal gray
enclosure, drop the asterisk (*). For a red enclosure, replace the asterisk (*) with an R.
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Bosch Voice Evacuation Systems | 7
EVAX Expansion Panels - E models (without DMR, with microphone)
Consists of
Consists of
Consists of
Model
Model
Model
EVAX25E*
1
1
EVAX50E*
1
1
EVAX100M*
1
1
Consists of
Consists of
Model
Model
EVAX150E*
1
1
EVAX200E*
1
1
* The asterisk (*) is not part of the number; it is a placeholder for indicating the color option. For a charcoal gray
enclosure, drop the asterisk (*). For a red enclosure, replace the asterisk (*) with an R.
Ordering Information
Ordering Information
EVAX25R 25 W Amplifier with DMR and
Microphone (red cabinet)
25 W amplifier with a digital message repeater
and a microphone in a standard (45.7 cm x
36.2 cm x 10.2 cm [18 in. x 14.25 in. x 4 in.])
red cabinet.
EVAX24R
EVAX50R/4Z 50 W, Four‑zone Amplifier
with DMR and Microphone (red cabinet)
50 W amplifier with one EVX‑4Z Zone Splitter,
a digital message repeater, and a microphone
in a standard (45.7 cm x 36.2 cm x 10.2 cm
[18 in. x 14.25 in. x 4 in.]) red cabinet
EVAX50R/4Z
EVAX25R/4Z 25 W, Four‑zone Amplifier
with DMR and Microphone (red cabinet)
25 W amplifier with one EVX‑4Z Zone Splitter,
a digital message repeater, and a microphone
in a standard (45.7 cm x 36.2 cm x 10.2 cm
[18 in. x 14.25 in. x 4 in.]) red cabinet
EVAX25R/4Z
EVAX25R/8Z
EVAX50R
EVAX50R/8Z 50 W, Eight‑zone Amplifier
with DMR and Microphone (red cabinet)
50WamplifierwithtwoEVX‑4ZZoneSplitters,
a digital message repeater, and a microphone
in a standard (45.7 cm x 36.2 cm x 10.2 cm
[18 in. x 14.25 in. x 4 in.]) red cabinet
EVAX50R/8Z
EVAX25R/8Z 25 W, Eight‑zone Amplifier
with DMR and Microphone (red cabinet)
25WamplifierwithtwoEVX‑4ZZoneSplitters,
a digital message repeater, and a microphone
in a standard (45.7 cm x 36.2 cm x 10.2 cm
[18 in. x 14.25 in. x 4 in.]) red cabinet
Accessories
D126 Standby Battery (12 V, 7 Ah)
Sealed lead‑acid standby and auxiliary re-
chargeable power supply.
D126
DFP-2 Large Dead Front Panel
Charcoal gray panel fits a large cabinet or back
box with door and comes with a lock and key
DFP-2
EVAX50R 50 W Amplifier with DMR and
Microphone (red cabinet)
50 W amplifier with a digital message repeater
and a microphone in a standard (45.7 cm x
36.2 cm x 10.2 cm [18 in. x 14.25 in. x 4 in.])
red cabinet
EVX-BB-2 Large Back Box
EVX-BB-2
Large charcoal-gray back box measures
(HxWxD) 27 in. x 14.25 in. x 4 in. (68.6 cm x
36.2 cm x 10.2 cm) and comes without a door
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8 | Bosch Voice Evacuation Systems
Ordering Information
EVX-BB-2R Large Back Box
EVX-BB-2R
EVX-CAB-1
EVX-CAB-1R
EVX-CAB-2
EVX-CAB-2R
EVX-DR-2
Large red back box measures (HxWxD) 27 in.
x 14.25 in. x 4 in. (68.6 cm x 36.2 cm x
10.2 cm) and comes without a door
EVX-CAB-1 Standard Cabinet
Charcoal-gray standard cabinet measures
(HxWxD) 18 in. x 14.25 in. x 4 in. (45.7 cm x
36.2 cm x 10.2 cm) and comes with a door
EVX-CAB-1R Standard Cabinet
Red standard cabinet measures (HxWxD)
18 in. x 14.25 in. x 4 in. (45.7 cm x 36.2 cm x
10.2 cm) and comes with a door
EVX-CAB-2 Large Cabinet
Large charcoal-gray cabinet measures
(HxWxD) 27 in. x 14.25 in. x 4 in. (68.6 cm x
36.2 cm x 10.2 cm) and comes with a door
EVX-CAB-2R Large Cabinet
Large red cabinet measures (HxWxD) 27 in. x
14.25in. x4in. (68.6cmx36.2cmx10.2cm)
and comes with a door
EVX-DR-2 Large Door
Charcoal-gray door fits a large cabinet or back
box
EVX-DR-2R Large Door
Red door fits a large cabinet or back box
EVX-DR-2R
EVX-RM
EVX-RM Remote Microphone
Remote microphone in a charcoal-gray cabinet
EVX-SC Microphone Supervisory Card
EVX-SC
supervises up to five remote microphones
Americas:
Europe, Middle East, Africa:
Bosch Security Systems B.V.
P.O. Box 80002
5600 JB Eindhoven, The Netherlands
Phone: + 31 40 2577 284
Fax: +31 40 2577 330
Asia-Pacific:
Robert Bosch (SEA) Pte Ltd, Security Systems
11 Bishan Street 21
Singapore 573943
Phone: +65 6258 5511
Represented by
Bosch Security Systems, Inc.
130 Perinton Parkway
Fairport, New York, 14450, USA
Phone: +1 800 289 0096
Fax: +1 585 223 9180
Fax: +65 6571 2698
© Bosch Security Systems Inc. 2010 | Data subject to change without notice
T1125085707 | Cur: en-US, V5, 4 Jul 2010
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