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(!!!!!) (BEST QUAD) JAN-6550A GE NOS 1985-1986 (132ma, 133.5ma, 134ma, 134.5ma) 1-3% matched

$ 719.99

1 matched quad) JAN-6550A GE NOS original boxes 1980's 1-3% matched

1 tube) 132ma Gm=11,200

1 tube) 133.5ma Gm=11,350

1 tube) 134ma Gm=11,200

1 tube) 135ma Gm=11,150

 

Matched on Amplitrex 

Good NOS Ma range 120-140ma

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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