(!!!!) (Recommended Pair) JAN-CRC-30 RCA NOS 1940”s same build (2.9ma and 3.0ma)

1 pair) JAN-CRC-30 RCA NOS 1940”s

1 tube) 3.0ma Gm=900

1 tube) 2.9ma Gm=900

Matched on Amplitrex

NOS Ma = 3mA+

NOS Gm = 800-900