(!!!) (BEST SINGLE) 83 National Union 1950 era (62/40 and 64/40)
$ 49.99
83 National Union NOS 1950 era - same build as RCA
62/40
64/40
strong single
See more: vacuum tube
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 (BEST SINGLE) 83 National Union 1950 era (62/40 and 64/40)&Category=vacuum tube&ImageURL=http://cdn.shopify.com/s/files/1/0333/7633/products/1_0fdfb185-f6ea-48ac-b609-5dde6334ee86.jpg?v=1655912014){kind=link}
 (BEST SINGLE) 83 National Union 1950 era (62/40 and 64/40) "Pin It")