(!!!) (BEST PAIR #1) 47 RCA branded ARCTURUS NOS 1940”s (34.5ma and 35.2ma)

1 platinum pair) 47 RCA branded ARCTURUS NOS 1940”s

1 tube) 34.5ma Gm=2620

1 tube) 35.2ma Gm=2640

NOS Ma range 26-31ma

NOS Gm range 2300-2500

(2.5 watts)

(2.5V filament)