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In the Forum: Audio For Dummies ™
In the Thread: Get, or made up a tube tester, it’s necessary
Post Subject: some 6EP5 picsPosted by hagtech on: 1/12/2007
The sockets for 6c33 should be here in a few days. Meanwhile, I fired up the 6ep5s. I labeled them ABC. The B sample ('83) with gold wire has a short or something. The other two look fine A ('63) has a little more output than C ('62) for the given bias. These are just random shots. Settings were 1V/step on the grid and a G2 voltage of 187. Anything in particular you would like measured? Transconductance at some bias? I need to work out a way to get display lines on the scope to show up, then we'll have calibrated mA/div info.
"A" triode mode:
"A" tetrode:
"C" triode:
"C" tetrode:
jh
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