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The PR 4092 from RCF is a nine input/two output preamplifier designed as a flexible solution for any paging and music application in PA systems. Each of the inputs can be sent to output A only, output B only, or both A and B, allowing the unit to function as a double preamplifier (A-bus dedicated to paging, B- bus for background music programs).
Using this design, the priority function relevant to an input is active on the selected output only, and does not affect the other output. Input 1 has overall priority (voice or contact activated) and can be used for emergency paging, while inputs 2 and 3 can be set with priority over inputs 4 to 9. Applications for the unit include paging announcement, background music, and PA systems in general.
Nine balanced XLR inputs
Input one has priority over the other inputs for paging purposes
Eight inputs feature both microphone and line sensitivity
Switchable 12V phantom power and hi-pass filters provided on universal inputs
Each input has an output selector
Signal presence indicator on each Input
Two priority levels - input 1 by voice or contact closure on removable Euro-block type connector, voice activation on inputs 2 and 3
Four inputs are available on RCA stereo type connectors
Three-tone chime generator triggered by contact closure on removable Euro-block type connector
Two balanced XLR outputs
In the Box
RCF PR 4092 - Paging and Music Application PA Preamplifier
AC Power Cable
4 Pole Male Audio Input Connector
One (1) Year Limited Warranty
Table of Contents
Frequency Response 20 Hz to 20 kHz, +/-3 dB Signal/Noise Rate >60 dB Distortion Microphone <0.5 % Distortion Line <0.3 %
Connectors 9 x XLR 8 x RCA phono Input Sensitivity Microphone -50 dBu Input Sensitivity Line XLR -10 dBu Input Sensitivity Line RCA -10 dBu Input Impedance Microphone 5 ohm balanced Input Impedance Line XLR 5 ohm unbalanced Input Impedance Line RCA 10 ohm unbalanced
Output Level Masters +4 dBu Output Impedance Masters 0 dBu Output Level REC 200 ohm Output Impedance REC 2.2 kohm Bass Tone 100 Hz +/-10 dB Treble Tone 10 kHz +/-10 dB
Temperature & Humidity
Maximum Ambient Temperature 32 to 131°F (0 to 55°C) Operating Humidity 20 to 90% relative humidity, non-condensing
Operating Voltage 110~240V AC, 50/60 Hz Power Consumption 10VA Phantom Power 12V Maximum Current 450 mA
19 x 7.9 x 1.73" (483 x 200 x 44 mm)
8.6 lb (3.9 kg)
RCF PR 4092 - Paging and Music Application PA Preamplifier Review