6DX8=ECL84 RCA Mullard UK NOS 1976 (3.1ma and 18ma) (Shindo Monbrison)

6DX8=ECL84 RCA Mullard UK NOS 1976

3.1ma Gm=3700

18ma Gm=10,200

NOT A PAIR

Tested on Amplitrex

NOS mA/Gm triode section 3mA/3500-4000

NOS mA/Gm pentode section 18mA/9,000-10,000

Shindo Monbrison Preamp