(!!) (Good Value Single) 6922 Amperex PQ Holland gold pins used/good 1961 (10/19ma) (mic) Title: 6922 Amperex

1 low noise tube) 6922 Amperex PQ Holland gold pins used/good 1961 mis-matched triode sections (7L9-*5J=1965)

1 section) 10ma Gm=10,200

1 section) 19ma Gm=14,200