Beautiful matched pair NOS Mullard EL34 xf2 O getter.Tubes were tested on my recently calibrated AVO CT160 at 250V, 250V, -13.5V with results
tube 1 - 73.1 mA/12.5 mAV
tube 2 - 72.0 mA/12.5 mAV
where 75 mA/11 mAV is considered 100%.
Please ask any question you might have prior to buying, I will be glad to answer.