2 X 6V6GT FIBRE TUBE. 1950s PAIR. USED. RC19

1950´S. 2 PCS. TUBE 1: 98% EMISSION. 103%GM ( TRANSCONDUCTANCE ) 0.4mA/V GAS. TUBE 2: 80% EMISSION. 90%GM ( TRANSCONDUCTANCE ) 0.4mA/V GAS.

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