6Y6G Sylvania rebranded Raytheon coated glass used 1953 (45ma) tested on amplitrex

1 tube) 6Y6G Sylvania rebranded Raytheon coated glass used1953 rattle inside base

45ma and Gm=5600

– WAVAC SE-805, MD-805
– WAVAC 811
– JC Verdier 2A3 SET