(!!!!) (Best Pair #1) 12AX7A Sylvania NOS 1970”s (2.3/2.0ma and 2.1/2.3ma) Title: 12AX7A Sylvania

1 low noise pair) 12AX7A Sylvania NOS 1970”s

1 tube) Gm=3000/2800 (2.3/2.0ma)

1 tube) Gm=2800/2900 (2.1/2.3ma)

Good Gm 1600+

Good mA 1mA+

(open extended highs, neutral, clear, nice headroom)

– Rogue Cronos Magnum

– Guitar amps