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(!!!!!) (Best Single) EL34 Mullard UK XF1 NOS 1959 double

(!!!!!) (Best Single) EL34 Mullard UK XF1 NOS 1959 double "O-O" getter halos (83ma) (1st version after metal base) (very rare)

$ 319.99

EL34 Mullard UK XF1 NOS 1959 (XF1-B9C=1959) fat brown base and double "O-O" getter halos

83ma

Gm=11,350

SINGLE TUBE - NOT A PAIR

 

 

Tested on Amplitrex

Good NOS range 70-90ma

Good Gm = 10,000 - 12,000

 

 

Recommended for

- Diezel Stereo Guitar Amplifier
- CARR amplifiers
- Marantz 2
- Manley Snapper

 

See more: vacuum tube
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