Up for sale is my AT3060 Valve Microphone in good condition it doesn,t need a power supply its got that white stripes type of effect on the vocal it really has got a vintage vibe to it i loved this microphone very rare to see one for sale has a minature valve inside but works amazingly well have a look at the SOS review only been used in smoke free home studio never used on drums etc only vocals little marks here and there but nothing that affects its function amazing microphone any questions please ask.