The Sputnik is designed around a one-inch diameter, centre-terminated, dual-diaphragm capsule that utilises a three-micron thick, gold-evaporated mylar membrane. There's no Russian background that I can discern, despite the name! M-Audio's latest foray into the mic market combines a striking retro look with the warmth of a valve and the versatility of switchable polar patterns.īuilt in the same major Chinese factory that manufactures Groove Tubes microphones, M-Audio's Sputnik is a multi-pattern, large-diaphragm tube microphone that offers elegant retro styling and very solid construction.