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(!!!!!) (BEST QUAD) JAN-6550A GE NOS 1985-1986 (130.2ma, 131ma, 131.2ma, 132.6ma) 1-3% matched

$ 749.99

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

1 tube) 130.2ma Gm=10,150

1 tube) 131.0ma Gm=10,300

1 tube) 131.2ma Gm=10,500

1 tube) 132.6ma Gm=10,500

 

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
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- CJ Premier 8 and 11A, 12
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- Comins Alessandro Jazz Guitar Amp
- Cary SLI-80
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- VAC PA100/100
- McIntosh 275 MK IV 2005
- Harmon Kardon
- Audio Aero Capitole Integrated amp

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