Yeah, as far as manufacturing processes go, that's not hard at all.
In the t, we cranked them out by the millions. The "How It's Made" is deceptive. They mostly show high-end items being made.
In the real world, they were (likely) mostly automated productions - even back then. They didn't blow the glass by hand or shit like that. This company is making tubes that cost hundreds of dollars for 'audiophiles'. In the real world, they did nothing of the sort. (I'm like 99% positive.)
So, don't go by the video you watched. That's from How Its Made.
Yeah I am sure the process could be automated and streamlined
It's much more automated in the video I linked - but there's still some hands-on work. Shit, I bet robots could do it all today. At least a goodly amount of the work could be done by robotics.
Hmm...
A modern vacuum tube manufacturing process might actually make some money. Especially if they can keep it up and provide quality.
There's not a lot of demand - but there might be enough demand for a single factory.
That first video you sent me the guy said the factory orders are on a six month back order, so there just might be enough demand
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