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(!!!) E88CC=Siemens Halske Germany gray shield NOS 1959-1960 era with serial number code along bottom edge (10.6/15.8ma)

(!!!) E88CC=Siemens Halske Germany gray shield NOS 1959-1960 era with serial number code along bottom edge (10.6/15.8ma)

$ 139.99

1 very low noise tube) E88CC=Siemens Halske Germany gray shield NOS 1959-1960 era with serial number code along bottom edge of tube

1 section) 10.6ma Gm=10,300 slightly low section

1 section) 15.8ma Gm=13,300 strong section

 

Good Ma range 12-15ma

Good Gm range 11,000-13,000

 

 

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