(!!!) (Best Overall Single) 6528A Cetron like new 1987 (138/144mA) (Highest mA and Gm)
$ 78.88
1 tube) JAN-6528A Cetron like new top getter like new
1 section) 138ma Gm=26,800
1 section) 144ma Gm=27,000
Vplate=140
Vgriod=-10
NOS mA = 110-120mA
NOS Gm range 25,000-30,000
graphite plates
See more: Unknown Type
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 (Best Overall Single) 6528A Cetron like new 1987 (138/144mA) (Highest mA and Gm)&Category=&ImageURL=http://tubeworldexpress.com/cdn/shop/products/1_429e85b6-e904-4ee9-8dd3-60eafba74f3e.jpg?v=1633495051){kind=link}
 (Best Overall Single) 6528A Cetron like new 1987 (138/144mA) (Highest mA and Gm) "Pin It")