(!!!) (Good Value Single) 807=ATS25 GEC England ceramic base NOS 1940's (70.2ma)

ATS25=807 GEC England NOS 1940's white ceramic base charcoal black rectangle shape plate similar plate shape to 807 RCA 

70.2ma

Gm=5200

SINGLE TUBE - NOT A PAIR

Tested on Amplitrex

Good Ma 60-72ma

Good Gm 5500-6000

- TRON JUBILATE
- VTL
- HEATHKIT W-1