MY HOME GUIDE 2 WIRE SOUND SYSTEM
55
TECHNICAL FEATURES
TECHNICAL FEATURES
RCA input Item L/N/NT4560 and Item HC/HS4560
The device allows the interfacing and adaptation of the signal level of an
external stereo audio source. It is connected with the audio signal by means
of two RCA female connectors (red = right channel; white = left channel)
on the front of the device. There is also a knob to adjust the input signal
sensitivity and two LED to indicate the device state (ON/STANDBY) and the
correct adjustment.
The device must only be connected to class II external sound sources (IEC EN
60065). These sources are identified by the double insulation symbol ¬.
Preamplified outputs should be used because their level is independent of
the volume set on the external sound source amplifier. The earphone outputs
should thus not be used.
1. RCA female connectors for stereo audio input
2. adjustment knob
3. LED for audio adjustment on the BUS of the sound system:
• off: no audio signal
• green: signal with minimum level
• flashing orange: best adjustment
• steady orange: signal too high
4. state indication LED
• green: standby
• orange: device ON
5. configurator housing
6. pull-out terminal for connection to the BUS
Legend
Supply voltage from BUS: 18 to 27 Vd.c.
Size: 2 modules
Absorption:
• In stand-by: 12mA max
• When working: 30mA
Operating temperature: 5°C to 45°C
Stereo audio features
• RCA input impedance: 14KΩ
• Input sensitivity: 100mVrms to 1Vrms
• TYP channel balancing: ± 0.5dB
• MIN channel balancing: ± 1.5dB
• Frequency range @ -3dB: 20Hz to 20Khz
Technical data
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