PR 4092 Preamplifier 9 Inputs, 2 Outputs

PR 4092 has been designed to provide a flexible solution for any paging and music application in PA systems.

PR 4092 Preamplifier

Each of the 9 inputs can be sent to output A only, output B only, or both A+B; in this way PR 4092 can also be used as a double-preamplifier: "A-bus" dedicated to paging, "B- bus" for BGM programs.Thanks to the "2 in 1" design, priority function relevant to the inputs is active on the ouput selected only, by not affecting the other output bus. Input 1 has overall priority (voice or contact activated) and can be used for emergency paging; Inputs 2 and 3 together can be set with priority on Inputs 4 to 9.

PR 4092 Preamplifier back panel

  • 9 BALANCED XLR INPUTS
  • 1st Input has priority over the other Inputs for paging purpose
  • 8 Inputs have both MIC/LINE sensitivity
  • Switchable PHANTOM 24V and HI-PASS filters provided on universal Inputs
  • Each Input has OUTPUT SELECTOR
  • SIGNAL presence INDICATOR on each Input
  • 2 PRIORITY levels: INPUT 1 by VOX or Contact on removable Euro-block type connector, VOX activated on INPUTS 2&3
  • 4 of the LINE level INPUTS are available on RCA Stereo type connectors
  • 3-tone built-in CHIME generator by contact closure on removable Euro-block type connector
  • 2 BALANCED XLR OUTPUTS
  • Treble and BASS tone controls on each output
  • LED-METER on the two outputs
  • RECording OUTPUT on RCA sockets (pre-master)
  • 115/230VAC operation, 24VDC emergency power supply
  • 1U rack 19" chassis

Specifications

PR 4092 Preamplifier Dimension Diagram

Frequency response: 20 - 20.000 Hz (±3 dB)
Inputs Sensitivity, Impedance:
MIC (XLR): -50 dBu (2,45 mV), 5 kΩ bal,
LINE (XLR): -10 dBu (245 mV), 5 kΩ bal,
LINE (RCA): -10 dBu (245 mV), 10 kΩ unbal.
Outputs Voltage-Impedance:
Master A and B: norm
1,23V 200 Ω bal, REC: norm. 775 mV 10 kΩ unbal
   
Signal/Noise Ratio: MIC: > 60 dB, LINE: > 75 dB
Distortion: MIC: < 0.5 %, LINE: < 0.3 %
Tone controls (A and B): Bass ±10 dB 100 Hz,
Treble ±10 dB 10 kHz
Power supply / Consumption: 115/230 Vac (±5%) 50÷60 Hz / 10 VA,
24 Vdc / 450 mA
Dimensions: 483x44x200 mm
(1U Rack 19")
Weight: 2 kg

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