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(!!) (Best Value Pair) ECC83=12AX7 EI Yugo Telefunken NOS smooth plates clone rebranded Amperex and National (1.2/1.2ma and 1.2/1.3ma)
(!!) (Best Value Pair) ECC83=12AX7 EI Yugo Telefunken NOS smooth plates clone rebranded Amperex and National (1.2/1.2ma and 1.2/1.3ma)
$ 129.99
1 low noise pair) ECC83=12AX7 EI Yugo Telefunken smooth plates clone NOS same build
1 tube) Gm=1700/1800 (1.2ma/1.2ma) Amperex 1973 printed in 1985
1 tube) Gm=2000/2000 (1.2ma/1.3ma) National 1979
Good Gm range 1600+
Good mA range = 1.0mA+
See more: vacuum tube
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 (Best Value Pair) ECC83=12AX7 EI Yugo Telefunken NOS smooth plates clone rebranded Amperex and National (1.2/1.2ma and 1.2/1.3ma)&Category=vacuum tube&ImageURL=http://tubeworldexpress.com/cdn/shop/files/1_c4de4c8a-811d-46e5-9e34-575bdd5cbafc.jpg?v=1734725934){kind=link}
 (Best Value Pair) ECC83=12AX7 EI Yugo Telefunken NOS smooth plates clone rebranded Amperex and National (1.2/1.2ma and 1.2/1.3ma) "Pin It")