Golden Age Project PRE-73 MKIV Microphone Preamp and DI BoxThe Golden Age Project PRE 73 MKIV is a one channel vintage style microphone, line, and instrument preamplifier. The signal path uses only discrete components such as resistors, capacitors, and transistors. The input and output stages of the pre are transformer balanced with each transformer optimized for its purpose. The circuit in the unit is similar to the classic 1073 module with a corresponding sound character that is warm, punchy, sweet, and