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(!!!!) (Best Pair) 6550 Tungsol gray plates NOS 1975 (130ma and 131ma)

(!!!!) (Best Pair) 6550 Tungsol gray plates NOS 1975 (130ma and 131ma)

By Tube World

$ 649.99

1 matched pair) JAN-6550 Tungsol gray plates NOS (7517=1975) same date codes - 3 large getters

1 tube) 130ma Gm=11,100

1 tube) 131ma Gm=11,750

 

Matched on Amplitrex

 

 

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

 

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