Audio Press Box APB-400-R Active, RACK, 4 MIC/LINE In, 4 buffered Outputs for Exp.

AudioPressBox's APB-400 R is an active press box that serves as a drive unit for AudioPressBox expanders. It features four MIC/Line Inputs (A,A+B,B).

With two separate channels, the input can be routed to channels A, B, or both. The APB-400 R also features 4 buffered expander outputs and can power an additional 96 Line/MIC Outputs. You are also able to route 4 individual inputs to up to 96 Line/MIC Outputs.

You can connect any of AudioPressBox's expanders to this device.

Audio Press Box APB-400-R Includes:

• APB-400 R

Audio Press Box APB-400-R Features:

• 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 96 channels of passive expanders: APB-024 R-EX, APB-008 IW/OW, APB 008FB, APB P008 IW/OW or APB-P112
• 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

Audio Press Box APB-400-R Specifications:

• Type: 4 In
• Groups: 2
• Input section
  • Inputs: 4
  • Input connectors: Balanced, XLR
  • Input Gain: MIC +22/+62 dB; LINE -4/+36 dB
  • Max. input level:
  • Limiter ON: Mic: -10/-30dBu; Line: +36/-4dBu
  • Limiter OFF: Mic: -2/-42dBu; Line: +24/-16dBu
  • Phantom Voltage: 48V
  • Input Impedance: Mic: 2,4 kOhm; Line: 3,5 kOhm
• Output section
  • Outputs: 4 expander outputs (2x buffered expander for Bus A and B)
  • Output connectors: Balanced, XLR
  • Nominal Output Level: +6dBu
  • Maximum Output Level:
  • +20dBu (no load)
  • +14dBu (600kOhm)
  • Output impedance: Mic: 220 Ohm; Line: 600 Ohm
  • Transformer isolated outputs: Yes (each output)
  • SNR: 86dB
  • Frequency Response: 30/160Hz (filter) to 30kHz/-1dB
• Controls:
  • Input section: 26dB PAD, Input gain, Phantom, High-pass filter, Compressor, PFL, routing switch
  • Output section: Oscillator, Output level for bus A and bus B, AFL for Bus A and Bus B, Phones level, Power, Output PAD
• Indicators:
  • Input section: Input clip, Phantom power, Input level, Gain reduction, PFL
  • Output section: Output level for Bus A and Bus B, Oscillator, Power
• Power Supply: 24V DC, 1A external adaptor
• Dimensions (WxHxD): 2 RU, 48x135x90mm
• Weight: 2680 g