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(!!!) (2nd Best 6550 Pair) 6550 Tungsol USA gray plate NOS smooth gray plates 1962-1963 in white boxes (127ma and 129ma)

(!!!) (2nd Best 6550 Pair) 6550 Tungsol USA gray plate NOS smooth gray plates 1962-1963 in white boxes (127ma and 129ma)

$ 488.88

1 pair) 6550 Tungsol USA gray plate NOS smooth gray plates 1962-1963 in white boxes, three (3) large shiney getters on each tube

1 tube) 127ma Gm=10,600 (1963)

1 tube) 129ma Gm=10,350 (1962)

Buy this pair and the (136.5ma and 139.5ma pair) combined for $1121 total

 

Good NOS Ma range 125-140ma

Good NOS Gm range 10,000 - 11,000

 

Recommended for

- ARC VS 110 and other ARC amps
- Audio Research Reference 3 line-stage power supply 
- Rogue 90
- VTL amps; MB300, 450, many others
- Gibson guitar amp
- McIntosh 275
- Beard P100 MKII 1984
- Cayin A-88T

 

See more: vacuum tube
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