Based on the circuit and topology of the RPQ, the RPQ500 provides an ultra-clean, high-gain signal path that has earned AEA preamps their great reputation. Specifically designed for ribbon microphones, the RPQ500 excels at drawing out the warmth and lush sound ribbons are uniquely known for. The RPQ500 boasts 81dB of gain, minimal path for pure tone, low energy storage, CurveShaper™ EQ section, and a mic/ line switch, useful for bypassing the Mic Gain section when you want to use the module in line mode for post-EQ processing. The high input impedance of 10K Ohms yields a better performance from your passive ribbons including a higher bandwidth, higher output sensitivity, and better overall transient response. A passive ribbon mic is only good as the preamp you match it with. Whether you are using an AEA ribbon or any other passive ribbon mic, we understand how much you can enhance the sound of your ribbons with the right preamp. In fact, by virtue of its sonic qualities and versatility, the RPQ500 is the tool of choice for all microphones – condensers, moving-coil, and ribbons alike – whenever a true and pristine signal path is desired