(!!) (PAIR) 6HB5 Sylvania branded RCA NOS (74ma and 79ma)
By Tube World
$ 39.99
1 matched pair) 6HB5 Sylvania branded RCA NOS
1) 74mA and Gm=11.600
1) 79mA and Gm=12,100
Good mA = 80-110mA
Good Gm = 9000
See more: vacuum tube
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 (PAIR) 6HB5 Sylvania branded RCA NOS (74ma and 79ma)&Category=vacuum tube&ImageURL=http://tubeworldexpress.com/cdn/shop/products/1_3eb85bf5-4467-483d-be36-a87e7160dc8b.jpg?v=1615059789){kind=link}
 (PAIR) 6HB5 Sylvania branded RCA NOS (74ma and 79ma) "Pin It")