(!!!) (Best Pair) 6AG7Y RCA brown bottom NOS 1960-1964 (32.3ma and 32.5ma)

1 matched pair) 6AG7Y RCA brown bottom NOS 1960-1964

1 tube) 32.5ma Gm=11,600 RCA branded FAA

1 tube) 32.3ma Gm=12,200 RCA

Good mA range 25-32ma

Good Gm range 10,000 – 12,000