(!!!!!) (Recommended Single) ECC83=12AX7A Tungsram Hungary branded RCA NOS 1970's (Gm=1700/1900) (1.0/1.4ma)

1 low noise tube) ECC83=12AX7 Tungsram Hungary branded RCA NOS 1970's

1 section) Gm=1700 (1.0ma)

1 section) Gm=1900 (1.4ma)

NOS Gm = 1500-1600+

NOS mA 1.0mA+

Recommended for:

- Trainwreck