(!!!!) (Recommended Pair) 5R4GYB RCA NOS 1965-1968 (50-54/40 and 51-53/40)
$ 54.99
1 matched pair) 5R4GYB RCA NOS 1965-1968
1 tube) 50/40 and 54/40
1 tube) 51/40 and 53/40
See more: vacuum tube
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 (Recommended Pair) 5R4GYB RCA NOS 1965-1968 (50-54/40 and 51-53/40)&Category=vacuum tube&ImageURL=http://cdn.shopify.com/s/files/1/0333/7633/products/1_b6a28dcc-0296-4449-8a89-fed17f2a4b6f.jpg?v=1609370638){kind=link}
 (Recommended Pair) 5R4GYB RCA NOS 1965-1968 (50-54/40 and 51-53/40) "Pin It")