2 tubes e80cf / 6bl8 Valvo made in Germany 1960's old production
pinched waist
gold pins
grey plate
branded Philips Special quality SQ
1960's old production
sold without boxes as per pictures
test data results on Hickok tube tester TV7D/U
tube 1
pentode = 46 (reference good at 34)
triode = 44 (reference good at 36)
code BG2 D1 D3
tube 2
pentode = 46 (reference good at 34)
triode = 48 (reference good at 36)
code BG2 D1 E5
box 200