U47 replace VF14 with 3xTelefunken EF14 Tested in U47 Neumann (=vf14 with 6,3 V Heater) good Sound low noise

3xTelefunken EF14, Tested and selected with my U47 modified in 6.3V for heating!

Good sound!!

Ref: 525

Ref:29.48.00

Ref:575

For microphones ( U47 modified in 6.3V for heating )

Vintage Rare, Bought in the 80s for my studio equipment (U47....)taken from my stock.

tube without original packaging/Tube sans l'emballage d'origine

The EF14 tube was a steel-jacketed pentode tube manufactured by Telefunken beginning in 1939. It is the same form-factor as the famous used in the Neumann U-47 but has different heater voltage and due to the scarcity of the VF14 can be used to replace it in the U-47.

For shipments to the USA, the buyer is responsible for arranging for UPS or DHL to pick up the package from my home. I will provide you with all the necessary information, including the address, package dimensions, and weight (please contact me before purchasing).