(!!) (Recommended Pair) ATS25=807 GEC England ceramic base NOS 1940's (65.5ma and 68.5ma)
$ 88.88
1 pair) ATS25=807 GEC England NOS 1940's white ceramic base charcoal black rectangle shape plate (similar shape to 807 RCA) in original boxes
1 tube) 65.5ma and Gm=6000 (small rattle inside base from dried glue particles - does not effect tube performance - base is secure
1 tube) 68.5ma and Gm=6050 (slightly tilted glass) on right
Tested on Amplitrex
Good Ma 60-72ma
Good Gm 5500-6000
- TRON JUBILATE
- VTL
- HEATHKIT W-1
See more: vacuum tube
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 (Recommended Pair) ATS25=807 GEC England ceramic base NOS 1940's (65.5ma and 68.5ma) "Pin It")