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(!!!) (Recommended Pair) E283CC Siemens Germany NOS original boxes 1974 (1.1/1.1ma and 1.1/1.4ma Gm=1500/1600 and 1500/1600)
(!!!) (Recommended Pair) E283CC Siemens Germany NOS original boxes 1974 (1.1/1.1ma and 1.1/1.4ma Gm=1500/1600 and 1500/1600)
$ 179.99
1 matched pair) E283CC Siemens Germany NOS 1974
1 tube) 1.1/1.4ma Gm=1500/1600
1 tube) 1.1/1.1ma Gm=1500/1600 some extra staining on glass - production stains
Tested on Amplitrex AT1000
Vplate=250V
Vgrid=-2V
Good Ma = 1.0-1.2ma
Good Gm = 1500-1600
E283CC have a DIFFERENT PINOUT than a 12AX7, but is electrically equivalent to a 12AX7 with frame grid construction like a 6922
6.3V parallel filaments
very low noise
10,000 hour rating
recommended for:
- Studer J37
See more: vacuum tube
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 (Recommended Pair) E283CC Siemens Germany NOS original boxes 1974 (1.1/1.1ma and 1.1/1.4ma Gm=1500/1600 and 1500/1600)&Category=vacuum tube&ImageURL=http://cdn.shopify.com/s/files/1/0333/7633/products/1_15ef2e06-aa90-4370-99ca-2ae405205dbe.jpg?v=1599855945){kind=link}
 (Recommended Pair) E283CC Siemens Germany NOS original boxes 1974 (1.1/1.1ma and 1.1/1.4ma Gm=1500/1600 and 1500/1600) "Pin It")