GE 5654W Vacuum Tube (CU-29, TF29, TF39)

The GE 5654W is a premium small-signal vacuum tube used as the amplification stage in the TELEFUNKEN TF39 Copperhead Deluxe microphone. Chosen for its low noise, long-term reliability, and musical consistency, this tube helps deliver the TF39’s smooth midrange, extended low-frequency depth, and clear, detailed top end. Sourced from high-quality new old stock GE production, the 5654W (also referenced as 6AK5 / EF95 family) ensures dependable performance and classic tube character in professional studio applications.