Data Sheet

built‑in level adjustment feature allowing for a faster
and easier installation. These speakers mount on the
indicated back boxes for the indicated applications:
Conduit
Applications
Surface
Mounted
Flush Mounted
Four‑inch square* •
SBB Back Box • •
*Requires an SER extension ring.
Use as Combination Appliance
Where combination appliances are required, these
speakers can be used with the RSSP‑241575W‑FR
(15/75 cd), RSSP‑24MCW‑FR (15 cd, 30 cd, 75 cd, or
110 cd), or RSSP‑24MCWH‑FR (135 cd or 185 cd)
Retrofit Strobe Plates that are designed to meet or
exceed the latest requirements of NFPA 72,
ANSI 117.0 and UL 1971. The speakers and retrofit
strobe plates are also compatible with the SBL2‑R
Retrofit Device Back Box.
Wiring
The input terminals accept wires with diameters
between 18 AWG and 12 AWG (ISO 0.75 mm
2
and
4 mm
2
).
Parts included
Quant. Component
1 Speaker
1 Mounting Plate
1 Hardware pack
1 Literature pack
Technical specifications
Electrical
Power Requirements
Voltage (input): 24 VDC nominal;
16 VDC or FWR to 33 VDC or FWR
Environmental
Relative Humidity: Up to 85%, non‑condensing
Temperature (Operating): +32°F to +120°F (0° to +49°C)
Mechanical
Dimensions (H x W x D): 5.1 in. x 5.1 in. x 2.9 in.
(13.0 cm x 13.0 cm x 7.4 cm)
Material: Molded plastic
Speaker Volume at 10 ft (3 m)
0.125 (1/8) W: 75 dBA
0.25 (1/4) W: 78 dBA
0.5 (1/2) W: 81 dBA
1 W: 84 dBA
2 W: 87 dBA
4 W: 90 dBA
8 W: 93 dBA
Ordering information
ET70‑N High‑Performance Speaker (nickel)
Nickel finish, 24 VDC device with high audio output
with clear audibility and field‑selectable taps from
1/8 W to 8 W
Order number ET70-N
ET70‑R High‑Performance Speaker (red)
Red, 24 VDC device with high audio output with clear
audibility and field‑selectable taps from 1/8 W to 8 W
Order number ET70-R
ET70‑W High‑Performance Speaker (white)
White, 24 VDC device with high audio output with
clear audibility and field‑selectable taps from 1/8 W to
8 W
Order number ET70-W
Accessories
ISP2‑R Surface Adapter (red)
13.3 cm (5.25 in.) square, 3 cm (1.1875 in.) deep
Order number ISP2-R
ISP2‑W Surface Adapter (white)
13.3 cm (5.25 in.) square, 3 cm (1.1875 in.) deep
Order number ISP2-W
RP‑R Retrofit Plate (red)
20.3 cm (8 in.) high, 14.9 cm (5.875 in.) wide.
Not Available.
Order number RP-R
SBB‑R Surface‑mount Back Box (red)
14 cm (5.5 in.) x 14.2 cm (5.6 in.) x 9.1 cm (3.6 in.)
Order number SBB-R
SBB‑W Surface‑mount Back Box (white)
14 cm (5.5 in.) x 14.2 cm (5.6 in.) x 9.1 cm (3.6 in.)
Order number SBB-W
SER‑R Square Semi‑flush Extension Ring (red)
12.7 cm (5 in.) square by 4 cm (1.5625 in.) deep
Order number SER-R
SER‑W Square Semi‑flush Extension Ring (white)
12.7 cm (5 in.) square by 4 cm (1.5625 in.) deep
Order number SER-W
SFP‑R Semi‑flush Plate (red)
15.2 cm (6 in.) square by 0.8 cm (0.3125 in.) thick
Order number SFP-R
SSB‑4 Ceiling Support Bridge
60.3 cm (23.75 in.) long by 16.5 cm (6.5 in.) wide
Order number SSB-4
2 | ET70 High‑performance Speakers