6EU7
The 6EU7 is a great little tube, it was designed to be a low noise version of the 12AX7. The filaments run on 6 volts rather than 12 so a socket rewire would be required to run a 6EU7 in place of a 12AX7 though.
The 6EU7 is a great little tube, it was designed to be a low noise version of the 12AX7. The filaments run on 6 volts rather than 12 so a socket rewire would be required to run a 6EU7 in place of a 12AX7 though.