403B=6AK5 Western Electric NOS "0" getter 1980 in 1979 box

5.8ma

Gm=4400

Recommended for

- Little Dot Mk3

- Little Dot Mk4 SE

- Grant Fidelity tube buffer

- CAD Trion tube microphone

- Miniwatt EL84 amp

- Grant Fidelity B283

- Darkvoice 332

- Yaqin CD 2