I have few for sale 25euro/1pcs. (two tubes Ia = 0.77mA - they are for 15euro/pcs)Tested:
IA(mA) S(mA/V) IA2(mA) S2(mA/V)
1.53 1.9 1.74 1.9
1.39 1.8 1.76 2.0
1.01 1.6 0.99 1.6
0.97 1.5 1.01 1.4
0.91 1.4 1.12 1.4
1.40 1.9 1.39 1.7
1.79 1.9 1.65 1.8
1.09 1.6 0.77 1.4
1.12 1.6 0.77 1.3
1.11 1.5 1.03 1.5
IA(mA) S(mA/V) IA2(mA) S2(mA/V)
1.53 1.9 1.74 1.9
1.39 1.8 1.76 2.0
1.01 1.6 0.99 1.6
0.97 1.5 1.01 1.4
0.91 1.4 1.12 1.4
1.40 1.9 1.39 1.7
1.79 1.9 1.65 1.8
1.09 1.6 0.77 1.4
1.12 1.6 0.77 1.3
1.11 1.5 1.03 1.5