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(!!!!) (Recommended Single) Z729=EF86 GEC UK NOS "O" getter halo 1960's (2.5ma)

$ 189.99

1 low noise tube) Z729=EF86 GEC UK NOS "O" getter halo 1960's in GEC box

2.5ma

Gm=1900

 

Good Ma range = 2.5-3.5ma

Good Gm range = 1800-2200

 

Recommended for

- Quad II amplifier

- Vox AC10, AC30

- Dr. Z Z-28

- Vox AC15HTVH head (install all Mullard tubes: EF86, 12AX7, EZ81, EL84)

- Eastern Electric M520

- Matchless C-30, SC30

- Bottlehead 

 

 

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