Back to: Tube Data Page Tube Catalog Page

Data courtesy of Steve Bench

6H30PI
Socket 9AJ, pin 9 has shield between the sections (same pinout as 6DJ8 and 6CG7)
Heater... 6.3V, 0.9A (.825 nominal spec
Plate... Starts to show color with more than 7 watts plate dissipation,
interestingly, only the "left" side plate of each half shows color, the right
side doesn't (as opposed to the inner side or outer side).

Va (volts) Ia(ma) Vg1(volts) Gm (ma/V, see note) Mu Ra (Rp)(ohms)
50 5 -2.8 7.1 15.2 2100
50 10 -2.3 9.8 15.9 1600
50 20 -1.5 12.3 16.3 1300
90 10 -4.7 8.4 15.3 1800
90 20 -3.9 11.7 16.0 1400
90 30 -3.1 13.3 16.2 1200
120 10 -6.5 7.6 14.9 2000
120 20 -5.6 10.9 15.7 1400
120 30 -4.8 12.9 16.1 1300
120 40 -3.9 13.3 16.3 1200
180 10 -10 6.5 14.5 2200
180 20 -8.9 10.0 15.3 1500
180 40 -7.1 13.3 16.0 1200
250 10 -14.4 5.8 14.4 2500
250 20 -13.2 8.7 15.0 1700
250 30 -12.1 11.0 15.4 1400
250 40 -10.5 12.5 15.8 1300

There is some variability from section to section, but this
is normal.

Note: 1 ma/v = 1000 umho = 1 mS