(!!!!!) (Best Pair) 6550A GE NOS "stapled plates" 1985-1986 (141ma and 143ma)
$ 349.99
1 pair) 6550A GE NOS "stapled plates" 1985-1986 - large shiney getters on both tubes - excellent pair - sweet lush midrange
1 tube) 143ma and Gm=10,900
1 tube) 141ma and Gm=11,050
TUBES PLUGGED INTO OCTAL SOCKETS IN PHOTO
Good Ma range 120-140ma
Good Gm range = 10,000 - 12,000
(warm and punchy midrange, good bass, a very good 6550 second only to Tungsol 6550 in overall sound and drastically superior to Svetlana or Sovtek 6550)
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- Audio Research Reference 3 line-stage power supply
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- Cary SLI-80
- THD
- VAC PA100/100
- McIntosh 275 MK IV 2005
- Harmon Kardon
- Audio Aero Capitole Integrated amp
See more: vacuum tube
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 (Best Pair) 6550A GE NOS "stapled plates" 1985-1986 (141ma and 143ma) "Pin It")