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The RPQ500 module, designed after the successful RPQ preamp, provides the same ultra-clean, high-gain signal path that has earned AEA preamps their great reputation, in a 500 series package. The RPQ500 has been enhanced with additional features, turning it into a workhorse tool for your API 500 compatible rack. The preamp delivers the bandwidth and quietness needed for high resolution recording. JFET circuit topology provides all the dynamics, subwoofer bass, and fast transients that your microphones can record. The input impedance of 10,000 Ω means the RPQ500 will not load down a mic and change its sound. Low Energy Storagecircuit design instantly recovers from overloads for superior dynamic performance.

The CurveShaper offers a natural option for sculpting your sound right at the start of the signal path. Switchable and tunable low frequency (LF) and high frequency (HF) controls allow you to tame proximity problems and provide HF extension and slope control. The high-frequency CurveShaperexcels at adding a touch of air or presence, and the low-frequency control can remove boxiness and boominess in a fast and unobtrusive way. The bottom line is a versatile channel strip that will deliver an unadulterated performance in any application. The Line/Mic switch bypasses the microphone gain stage and allows the EQ to be used for tracking with other preamps or during mixdown. Add the output level control and the RPQ500 becomes a high-quality processing tool that can be used for mixing and mastering when combined with summing racks and mixers such as the Purple Audio Moiyn or the Roll Music Folcrom.




  • 81 dB of gain at 1kHz, balanced-in to balanced-out in Microphone Input Mode
  • EIN &lt, -130 dBu A-weighted, 150 Ω resistive source
  • Frequency response: -3dB &lt, 1Hz and &gt, 100 kHz
  • THD: &lt, 0.02% at 1 kHz
  • Balanced Microphone Input Impedance: 10 Ω
  • Balanced Line Input Impedance: 33 Ω
  • Input Gain control: twelve-position switch provides from 7 dB to 56 dB of gain for the preamplifier circuit
  • Output Gain control: variable from -64 dB to 19 dB of additional output gain, following the CurveShaper circuitry
  • Switched LF Shelving filter: -3 dB break-frequency tunable from 18 Hz to 360 Hz
  • maximum reduction -20 dB
  • Switched CurveShaper EQ