(!!) 6U8=ECF82 Tungsram Hungary rebranded Haltron NOS 1970's (14.3ma and 7.6ma)

6U8=ECF82 Tungsram Hungary rebranded Haltron NOS 1970's

Triode: 14.2ma Gm=7600 (good)

Pentode: 7.6ma Gm=5000 (good)

Triode: Good Ma = 14-18ma Good Gm = 7500-8500

Pentode: Good Ma = 8-10 ma Gm=4800-5200

- VOX

- Radford STA-15 Series III 1965

- McIntosh MX-110

- Grommes PHI-26