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(!) (#3 6AH4GT Pair) 6AH4GT Sylvania triple mica

(!) (#3 6AH4GT Pair) 6AH4GT Sylvania triple mica "D" getter NOS 1952 (21ma and 24.4ma)

$ 21.99

1 matched pair) 6AH4GT Sylvania triple mica D getter 1952 same date codes (L2E=1952)
1 tube) 21ma Gm=3600 (Sylvania rebranded International)
1 tube) 24.4ma Gm=4100 (Sylvania rebranded Hytron)

Matched on Amplitrex 

Vplate=250V

Vgrid=-23V

Good Ma range 25-30ma

Good Gm range 4000-4500

TUBES PLUGGED INTO OCTAL SOCKETS FOR PICTURE

 

- deHavilland UltraVerve linestage preamp

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