Telefunken TF39 Large Diaphragm Condenser MicrophoneThe TF39 Copperhead Deluxe is an expansion of the "Copperhead" sound with the addition of a dual membrane K67 style capsule, allowing for 3 pattern selection between cardioid, omnidirectional, and figure 8. This added feature set gives the TF39 greater flexibility and options in the studio. Sonically and component wise, the two microphones are otherwise the same. The TF39 features a new old stock American made 5654W vacuum tube, all brass K67 style