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collapse expand iconDescription

AEA's RPQ3 microphone preamp is the next evolution of high-impedance, high-gain preamplifiers. Based on the circuit design of its predecessor, the RPQ3 features a powerful combination of ultralow noise, low-distortion op-amps, ultra-high 68 kohm input impedance, and 85dB of clean gain all packaged in a durable full-rack chassis. The RPQ3 also includes an expanded EQ section with boost and cut controls for low and high end as well as a low-end frequency sweep to identify and eliminate rumbles and resonances.

Open and transparent but equally responsive and dynamic, the RPQ3 is a versatile tool for the front end of any signal path.

Improved EQ Section

The RPQ3 expands on AEA's signature CurveShaper circuitry that offers boost and cut curves for both bands of the EQ, allowing users to control their sound right at the start of the signal path.

With user-friendly controls and sweepable frequency knobs, the expanded EQ section of the RPQ3 offers boost and cut options for both lows and highs. Even when boosting aggressively, the RPQ3 remains phase coherent and flatteringly natural. LF/HF LED indicators illuminate only when the EQ is engaged, eliminating confusion and simplifying workflow. The RPQ3 also has a +/-10dB gain range for increased accuracy in boosting and cutting.

Power Switching

The RPQ3 chassis features open-back access to the AC power switch, making voltage conversion between U.S. standard 115V and 230V easy for setups anywhere in the world.
AEA Microphones RPQ3 Microphone Preamp
AEA Microphones RPQ3 Microphone Preamp
AEA Microphones RPQ3 Microphone Preamp

collapse expand iconFeatures

  • Two-channel, high-gain, full-rack mic preamp
  • Ultrahigh 68 kohm input impedance (phantom power off)
  • 7 to 85dB of gain
  • LF/HF boost and cut
  • EQ boost/cut, +/-20dB (high range), +/-10dB (low range)
  • EQ in/out switching (overall and individual bands)
  • +48V phantom
  • Polarity switch
  • Pre-EQ line out (always active)
  • Insert Switch input switching (line input bypasses mic preamp)
  • Linear power supply with external 115V/230V switching

collapse expand iconSpecs

Microphone Preamplifier to Line Out
  • Max Gain: 85dB
  • Max Output: +27dBu into 600 ohm load
  • Input Impedance: 11.3 kohm (with Phantom), 68 kohm (no Phantom)
  • Output Impedance: 50 ohm
  • Equiv. Input Noise: –130dBu
  • Frequency Response: 30dB gain: (–.6dB 10Hz, –3dB 160kHz)
  • Input and Output XLR Polarity: Pin 2 hot
Microphone & Line Inputs
  • THD+N: 0.0018% (1kHz, 22Hz–22kHz @30dB Gain +4dBu output)
EQ Circuitry
  • First-order shelving response
  • 20dB max boost/cut high range
  • 10dB max boost/cut low range
  • Low-frequency sweep continuously variable 40Hz to 675Hz
  • High-frequency sweep continuously variable 2kHz to 28kHz

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