10-22-2020, 05:12 PM
Speakers with 3.2 ohms impedance will generally measure less than one ohm DC. I usually use Mike's method with a battery.
1948 Westinghouse Model 1821 (182) audio problems
10-22-2020, 05:12 PM
Speakers with 3.2 ohms impedance will generally measure less than one ohm DC. I usually use Mike's method with a battery.
10-22-2020, 05:48 PM
>speaker it measured .3 ohms or something like that, it didn't measure 3.2 ohms like it should of.
There is a difference between dc resistance (what you a measuring with your meter) vs ac impedance which is what tube's plate needs to see on the primary and the voice coil / 2ndry of the output transformer. Will it work yes. But there might be a bit of a miss match. Does it matter? If the audio is distorted badly you may want to try a different impedance spkr or opt. With the problem as you describe I would suspect perhaps that the voice coil is stuck to the pole (cone won't move) or there is no hv on the plate of the output tube. A short C-8 would do it. When my pals were reading comic books I was down in the basement in my dad's workshop. Perusing his Sam's Photofoacts Vol 1-50 admiring the old set and trying to figure out what all those squiggly meant. Circa 1966 Now I think I've got! Terry
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