LEGRAND 3440 - Page 474

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OK C
PRI RIGHT
+ −
LEFT
+ −
AUX
OUT
SCS
IN
AUX
1 2 3 4 5
678910
A
PF
M1
M2
M3
F503
Description
The stereo amplier, item F503, ensures accurate reproduction of the sound signal, both
from the SCS/BUS and, in alternative, from the AUX input (MP3 or CD player, etc.). The
wide range of adjustments of high and low tones available, the 10 preset equalisation
levels, as well as the additional 10 levels that can be customised by the customer, the
virtual surround, to name a few, ensure pleasurable listening in each room, following
the taste of the user. Each parameter can be displayed on the OLED graphic display.
All the adjustments are performed using the keys of the amplier, or remotely using the
Touch Screen devices.
Technical data
BUS voltage: 18 – 27 Vdc
Power supply (PRI): 110 – 240 Vac @ 50 – 60 Hz
Absorption on the BUS: 12 mA
Absorption on the line: 85 mA (at 110 Vac) – 45 mA (at 230 Vac)
Dissipated power: stand-by 3.5 Wmax - ON: 13 Wmax @ 1 kHz
input tone
Operating temperature: 5 – 45 °C
Potenza (su 8 Ω): 60 Wrms (3 Wrms + 30 Wrms) 480 Wpmpo
(240 Wpmpo + 240 Wpmpo)
Low tones adjustment: ±20 dB max
High tones adjustment: ±20 dB max
Frequency range @ -3 dB: 20 Hz–20 kHz (on 8 Ω)
AUX input: 1 Vrms max
AUX Output: 1 Vrms max, @Rout = 600 Ω
Equalisation adjustment: ±8 dB max
Dimensional data
10 DIN modules
Legend
1. 110 – 230 Vac power supply clamps
2. Graphic OLED display
3. Left channel loudspeaker connectors
4. Right channel loudspeaker connectors
5. AUX audio output (for the connection use a 3.5 mm stereo jack)
6. AUX audio input (for the connection use a 3.5 mm stereo jack)
7. Selection and navigation keys
8. Congurator socket
9. SCS audio input (sound system BUS/SCS)
10. Status LEDs*
* The LEDs are under the plastic front cover plate, and can only be seen when the device is on:
- Upper LED (power supply status), blue for STAND BY/ purple for ACTIVE
- Lower LED (110 to 230 Vac power supply), blue for power supply PRESENT
Power amplier
MQ00271-c-EN 21/05/2014