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(!!!!!) (Best Siemens Pair) 6922=E88CC Siemens Halske Germany branded "ECC88 Industria" gray shield NOS 1965 (19.2/20.4ma and 19.0/19.2ma) (mic, phono preamp)
(!!!!!) (Best Siemens Pair) 6922=E88CC Siemens Halske Germany branded "ECC88 Industria" gray shield NOS 1965 (19.2/20.4ma and 19.0/19.2ma) (mic, phono preamp)
$ 388.88
1 very low noise pair) 6922=E88CC Siemens Halske Germany branded "ECC88 Industria" gray shield gold pins NOS 1965 in Standard Brand boxes
1 tube) 19.2/20.4ma Gm=14,000/15,200
1 tube) 19.0/19.2ma Gm=15,100/14,900
Good mA range 12-15ma
Good Gm range 11,000-13,000
Recommended for
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Zanden
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Musical Fidelity
Pathos
Lamm
See more: vacuum tube
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 (Best Siemens Pair) 6922=E88CC Siemens Halske Germany branded "ECC88 Industria" gray shield NOS 1965 (19.2/20.4ma and 19.0/19.2ma) (mic, phono preamp)&Category=vacuum tube&ImageURL=http://tubeworldexpress.com/cdn/shop/files/3_1_97d78980-d9dd-42db-8dc8-9c71900c64b7.jpg?v=1770103662){kind=link}
 (Best Siemens Pair) 6922=E88CC Siemens Halske Germany branded "ECC88 Industria" gray shield NOS 1965 (19.2/20.4ma and 19.0/19.2ma) (mic, phono preamp) "Pin It")