Original Telefunken VF14 tube for Neumann U47 U48 microphone | Reverb France
Vintage Telefunken VF14 Tube | eBay
replacement valve
Telefunken VF14 Tube for U 47 / U 48 | Reverb
Vintage Telefunken VF14 Tube | eBay
History of the VF14 tube and the Phaedrus Audio equivalent VF14M
U47/VF14 problem.
Telefunken VF 14 M NOS Tube For Neumann U47 U48. Pick Of The Litter. Most Quiet, Gorgeous One. | Reverb France
Neumann U47 - The VF14 is a pentode, meaning it has five electrodes, including three grids. When used in a microphone, however, it operates as a triode, with two of its grids