Decius

I'm planning to build a box but I'm totally new to this and hence lost as to how i can optimize it for my mic. This is a schematic provided by the manufacturer: http://www.sanken-mic.com/upload/pdf/jp/wiring/2wirebasis_e.pdf Can anyone explain to me in layman terms what exactly the purpose of the resistor and capacitor are on this diagram? From all the research I've done, all I have gathered is that the capacitor "cleans" the signal in some manner. However, I'm reading places where they say there may be a DB gain as a result of the resistor. How can there be a gain if the voltage is reduced? I completely realize these may be stupid questions, but I took woodworking.