Det er Chief1

and a good quality PX25 tube is needed

S/N ratio -90dB (CCIR

Because of its small casing

The 274A and 274B are designed for Audio purposes

Emission Labs 5U4G Mesh / 5Z3 Mesh Rør Variant:5Z3 Det er Chief1Pris er per stk. Description: This data sheet applies for the 5Z3 Mesh and 5U4G Mesh, which are electrically identical, apart from the sockets. 5U4G Mesh uses as Octal Socket socket, of which only five pins are used (and one of those is electrically not connected). 5Z3 Mesh uses a four Pin UX4 socket. These are direct replacements for the historical 5U4G or 5Z3. They can not replace 5U4GA or 5U4GB which are different tubes. See Note 4 Note that the