Maybe I need another 'scope?
On Mon, 19 Nov 2018 23:02:22 -0500, Ralph Mowery
wrote: In article , says... Most tube amps are serviced in our shop with a digital voltmeter...not a scope. Really all that you need to know are correct are the plate and cathode voltages, and if they are off then you check the screen and grids for proper bias - after testing the tubes for proper operation. I agree. Forget about the scope if you want to just measure voltages. I have the same scope and would never try to make accurate voltage measurments with it. You can always get a 100 to 1 probe. However, you can get one of the 'free' Harbor Freight meters and do better for what you want. For just DC measurments you can just make your own 100:1 voltage devider. Thanks Ralph. Eric |
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