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(!!!!!) (BEST GE PAIR) 6550A GE NOS

(!!!!!) (BEST GE PAIR) 6550A GE NOS "stapled plates" late 1970's same build (135.5ma and 136.5ma)

$ 329.99

1 matched pair) 6550A GE NOS "stapled plates" late 1970's same build

1 tube) 135.5ma and Gm=10,300

1 tube) 136.5ma and Gm=11,000

 

Matched on Amplitrex 

Good NOS Ma range 125-140ma

Good NOS Gm range = 10,000 - 11,000

 

(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
- Luxman
- Rogue
- Cary
- VTL MB300, MB450, ST-150
- CJ Premier 8 and 11A, 12
- Jadis
- Ampeg SVT
- Comins Alessandro Jazz Guitar Amp
- Cary SLI-80
- THD
- VAC PA100/100
- McIntosh 275 MK IV 2005
- Harmon Kardon
- Audio Aero Capitole Integrated amp

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