(!!!) (Best Siemens Pair) EL84 Siemens Halske Germany 1966-1969 (40ma and 42.5ma)

1 pair) EL84 Siemens Halske Germany 1966-1969 in white boxes

1 tube) 42.5ma Gm=10,100 (NOS) (km4=9L=1969) nickel grid posts

1 tube) 40.0ma Gm=9500 (used/like new) (rx4=6F=1966) copper grid posts - rebranded MULLARD - on left

Amplitrex Test Data

Good NOS Ma range = 40-45ma

Good NOS Gm range = 10,000 - 12,000

recommended for:

- TELEFUNKEN OPUS 2004 RADIO
- GRUNDIG SO121 HI-FI CONSOLE 1959
- SCOTT 299A 1958-1960
- VOX