403A Western Electric NOS "D" getter  1957

5.7ma

Gm=4500

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