AS-QSS 1045  este  un  dispozitiv  destinat comutarii automate a semnalului audio stereo intre 3 intrari audio, cu logica de comutare programabila printr-un protocol RS-232, avand urmatoarele posibilitati  de  interconectare:

• Intrari: 

                1x  pereche Canon mama   (Intrare receptor de satelit)             Ch1
                3x  pereche RCA (Intrare PC, Aux)                                              Ch1, Ch2, Ch3
                1x  pereche Jack 6,3mm  (Aux)                                                    Ch3

Obs. Fiecare intrare (canal) are cate o iesire de control asociata canalului respectiv (Loop-Out Ch1 … Ch3)

• Iesiri:

                2x Canon tata  (Iesire Emitator FM)                                                Main Out
                2x RCA                 (Iesire monitorizare PC)                                      Main Out

                2x  RCA                (Iesire Solo)                                                          Solo Out
                1x  pereche Jack 6,3mm  (Iesire Solo)                                             Solo Out
                Jack 6,3mm stereo (Iesire casti, pe panoul de fata)                     Headphones

• Control:
  DB9 mama   (RS-232)

• Parametri  electrici :

- Nivel nominal de intrare Ch1 .. Ch3 / mufa Canon :                                 0dBm / 600Ω, simetric (Obs. 0dBm=1mW)
- Nivel nominal de intrare Ch1 .. Ch3 / mufa RCA, Jack 6,3mm  :             0,775Vrms / 22k Ω

- Nivel de prag  la  comutare  automata :                                                     -30 .. -10dB  (reglabil de pe calculator)
- Timp de asteptare inainte  de comutare (TIME-OUT)                              0 .. 300 sec  (reglabil de pe calculator)

- Nivel nominal de iesire MAIN OUT / mufa Canon :                                  0dBm / 600Ω, simetric
- Nivel nominal de iesire MAIN OUT / mufa RCA, Jack 6,3mm  :              0,775Vrms
- Nivel nominal de iesire LOOP-OUT Ch1..Ch3 :                                       0,775Vrms / 1k Ω
- Putere maxima de iesire HEADPHONES :                                                300mW / 32 Ω

- Raspuns in frecventa (± 1dB):                                                                       20Hz .. 24kHz
- THD ( 20Hz .. 20kHz):                                                                                    0,05%
- Raport semnal/zgomot:                                                                                   min.80dB
- Diafonie pe iesire (MAIN OUT, SOLO OUT) stanga-dreapta                   -70dB
- Atenuarea canalului neselectat:                                                                    85dB

• Caracteristici generale :

- Tensiunea de alimentare :                                                                               220Vac ±10V , 50Hz
- Consum maxim:                                                                                               8VA
- Dimensiuni :                                                                                                       440 (W)  x  90 (H)  x   210 (D) mm
- Dimensiune panou frontal :                                                                            485 (W)  x  90 (H)  mm

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