(1 PAIR) NE-408A Northern Electric Canada NOS 1972-1974 (83/60 and 85/60)

1 pair) NE-408A Northern Electric Canada NOS 1972-1974

1 tube) 83/60 (1974)

1 tube) 85/60 (1972)

Tested on B&K

above 80 is strong

20V Filament

– Yamamoto HA-02 Headphone Amp
– Little Dot Hybrid I+