Skrzynka Dziennikarska AudioPressBox APB-400 R-RPS


  • 4 MIC (phantom power) / LINE Inputs – balanced with gain control and 26dB PAD
  • Each Input is routable to A/(A+B)/B Outputs Group
  • 4 separate buffered A and B Outputs for driving up to 48 channels of passive
    extenders: APB-024 R-EX, APB-008 IW/OW, APB 008FB, APB P008 IW/OW or
  • Switchable High-Pass filter for each Input channel
  • Switchable Compressor and Limiter for each Input channel
  • PFL/AFL for each Input/Output channel
  • Constant level Test signal oscillator with no mistake switch operation
  • Headphones control Output for PFL/AFL
  • Redundant Power Supply




Audio Press Box APB-400 R
Type4 In
Input section
Input connectorsBalanced, XLR
Input GainMIC +22/+62 dBLINE -4/+36 dB
Max. input levelLimiter ON
Mic: -10/-30dBu
Line: +36/-4dBu
Limiter OFF
Mic: -2/-42dBu
Line: +24/-16dBu
Phantom Voltage48V
Input ImpedanceMic: 2,4 kOhmLine: 3,5 kOhm
Output section
Outputs4 expander outputs (2x buffered expander for Bus A and B)
Output connectorsBalanced, XLR
Nominal Output Level+6dBu
Maximum Output Level+20dBu (no load) +14dBu (600kOhm)
Output impedanceMic: 220 OhmLine: 600 Ohm
Transformer isolated outputsYes (each output)
Frequency Response30/160Hz (filter) to 30kHz/-1dB
ControlsInput section: 26dB PAD, Input gain, Phantom, High-pass filter, Compressor, PFL, routing switchOutput section: Oscilator, Output level for bus A and bus B, AFL for Bus A and Bus B, Phones level, Power, Output PAD
IndicatorsInput section: Input clip, Phantom power, Input level, Gain reduction, PFLOutput section: Output level for Bus A and Bus B, Oscilator, Power
Power Supply24V DC, 300mA external adaptor
Dimensions (WxHxD)2 RU, 480x88x100mm
Weight2,4 kg

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