2 tubes E88CC 6922 matched pair
Philips Miniwatt SQ tubes with high emission
High emission and well matched. This means tubes have strong emission and will work for man hours.
Good tube starts with gm 9,0mA/V
Test result S gm test :
12,4 + 12,2 and 12,5 + 12,3 mA/V
Measured with RoeTestV11