2-Channel Preamp 1RU Ribbon Mic Preamp with EQ and DI


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  • (2) channels with 81 dB of sweet and quiet JFET gain
  • High frequency CurveShaper EQ and low frequency proximity control
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The RPQ2 Ribbon Preamp and EQ from AEA provides 2 channels of high-quality, high-gain, low-noise preamplification with a rich, musical sound that complements your microphone's natural tonality. Specifically designed for ribbon microphones, this device is great at drawing out the warmth and lush sound that ribbon mics are uniquely known for. With 81dB of gain, JFET circuitry, and an input impedance of 63 kOhms, the RPQ2 delivers the quietness, precision, and headroom needed for today's high-resolution recordings.

The second iteration of AEA’s original high-performance RPQ preamp, the RPQ2 adds some new and useful features. It's now possible to plug your instrument directly into its high-impedance circuit via its front-panel direct inputs. It also includes a Mic/Line switch for balanced line inputs and outputs, as well as inserts for patching compressors or other effects between the preamp and CurveShaper™ EQ section. Speaking of the CurveShaper EQ, it offers the tools to control your ribbons right at the beginning of the signal path. Switchable, tunable low frequency (LF) and high frequency (HF) controls allow you to tame proximity problems as well as provide HF extension and slope control.

Engineers have found that it's a terrific fit with condensers and moving coil microphones. Because of its sonic qualities and versatility, the AEA RPQ2 is the tool of choice for all kinds of mics, whenever a true and pristine signal path is desired. Detailed and accurate, the AEA RPQ2 is a high-quality, high-gain choice for all microphones.

AEA RPQ2 Features:

  • (2) channels with 81 dB of sweet and quiet JFET gain
  • High frequency CurveShaper EQ and low frequency proximity control
  • NoLoad™ 63 kOhm high-impedance circuitry providing better overall transients, frequency response, and higher output sensitivity
  • High-resolution, high-impedance front-panel ¼" DIs
  • Mic/Line mode with Post-Mic and Pre-EQ Inserts for alternative and convenient routing options

AEA RPQ2 Specifications:

  • Gain at 1kHz: 81dB
  • Noise figure, rms A-weighted: < 2 dB
  • Noise figure, rms unweighted: < 3 dB, 20 kHz LPF bandwidth
  • EIN: < -130 dBu A-weighted, 150 Ohm resistive source
  • Frequency response: -3 dB < 1 Hz and > 100 kHz
  • THD: < 0.02% at 1 kHz
  • Input impedance: Hi-Z Input Impedance >5M OhmsBalanced Microphone Input Impedance: 63K Ohms (10K Ohms with Phantom-Power engaged)
  • Balanced Line Input Impedance: 18K Ohms
  • Input Gain control: 12-position switch provides from +13 dB to +62 dB of gain
  • Switched LF Shelving filter: -3dB break-frequency tunable from 22 Hz to 515 Hz; maximum reduction -20dB
  • Switched CurveShape EQ: +3dB break-frequency tunable from 2.1 kHz to 26 kHz; HF gain adjustable from +0dB to +20dB
  • Color LEDs: Green, Yellow, Red
  • XLR output maximum level into 600O load: +28 dBu, balanced; 0 dBu = 0.7746 V rms
  • XLR connectors polarity: Pin-1 is ground, pin-2 is high, pin-3 is low
  • LED signal level indicators: The green LED snaps on at -20 dBu to indicate the presence of signal; the yellow LED snaps on at 0 dBu; the red LED snaps on at +24 dBu to warn of approaching signal overload.
  • Physical:
    • Dimensions (W x D x H, full-rack measured with knobs and switches): 19 x 9” x 1.75” (48.5 x 23 x 4.45cm)
    • Weight: 4 lbs., 5 oz. (~2 kg)

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