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Public Address Systems > Amplifiers > Pre-Amplifier


-Select switch (Z1~Z4) for each channel with multiple annoucement
- E.Q. adjusting volume for each channel
- Output adjusting volume and LED level meter for each zone
- Output monitoring select switch for each zone
- Chime and siren are controlled by external remote contact
- Phantom power switch for microphone input (ON/OFF)
- Paging input terminal , paging annoucement link select switch for each zone
- Local input terminal , emergency announcement link select switch for each zone ,
  and using paging or local signal, intercept signal for main unit
- P.T.T microphone input terminal for emergency announcement ,
  link select switch for each zone
- Remote control system by RJ 45 connector
     Type : RS-485 , Distance : Max. 1.2Km
     Extension : Connecting 32pcs of remote controller
- Built in sleep detector circuit for reduce of power consumption on stand-by mode
  of amplifier with no signal

Specification :

Input Sensitivity / Impedance  MIC/LINE : -50dBu(2.45mV) / 5kΩ BAL
-10dBu(245mV) / 5kΩ BAL
LINE REC IN : -10dBu(245mV) / 10kΩ UNBAL
Output Level / Impedance  ZONE : NOR +4dBu(21.23V) / 200Ω BAL
REC : 0dBu(775mV) / 10kΩ BAL
Frequecy  Response  Less than -0.5dB (20Hz ~ 20kHz)
Signal to Noise Ratio  MIC : More than 60dB
LINE : More than 75dB
T.H.D at 1kHz  MIC : More than 0.05%
LINE : More than 0.03%
Cross Talk  MIC : More than 60dB
LINE : More than 75dB
Power consumption  Rated : 10W
Stand-by : 1W
Power  AC 230V/50Hz , DC 24V

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