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(!!!) (Best Value Single) 6550 Tungsol gray smooth plate 1960 low hours/like new (125ma) (Recommended for Audio Research power supply)

(!!!) (Best Value Single) 6550 Tungsol gray smooth plate 1960 low hours/like new (125ma) (Recommended for Audio Research power supply)

$ 229.99

1 tube) 6550 Tungsol gray smooth plate 1960 low hours/like new

125ma

Gm=10,800

 

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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