Lindell Audio RE-51 Retro 500 Series Microphone Preamp and EQ ModuleBring new flavor and expanded functionality to your 500 Series rack with the Lindell Audio RE 51, a single channel microphone preamp and EQ module featuring stepped controls for easy recall. In addition to the transformer coupled mic line input via the gold plated PCB, the RE 51 has a front panel 1 4" Hi Z input to accommodate direct connection of a guitar or bass. Thanks to the vintage style OPA1731 op amp and transformer coupled output, this module