AEA RPQ503 Microphone Preamplifier (500-Series)

AEA RPQ503 Microphone Preamplifier (500-Series) Based on the 3rd Generation circuit design of our celebrated RPQ3, the RPQ503 brings the same rich and natural sound to the 500 Series Format. AEA Gen 3 Preamp Circuitry with our Signature CurveShaper EQ 1-Space 500-Series Preamp Ultra-High 68K ohmInput Impedance 7 to 85 dB of Gain EQ Boost/Cut, +/-20 dB with LF/HF Sweepable Frequency Polarity Switch Mic/Line Input Switching Made in the USA Your Favorite Ribbon Preamp - Now in 500 Series. The RPQ503 is the next evolution in AEA's trusted lineage of high-impedance, high-gain preamplifiers. More than just a preamp, the RPQ503 also includes the expanded EQ section of the RPQ3, with boost and cut controls for both low and high end, on custom, compact, dual-concentric potentiometers. Featuring a powerful combination of ultra-low noise, low-distortion op-amps, ultra-high 68K ohminput impedance, and 85dB of clean gain, the RPQ503 delivers exceptional clarity and detail. The RPQ503 was designed