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The point is that there are NOT many vacuum tube products now being manufactured. World-wide, receiving-type vacuum tube products now comprise near-negligible numbers. It's purely limited to some hi-end audiophile products and guitar amplifiers, and that specialty market is simply infinitesimal.Not exactly. This is a an audiophile forum. By definition, the world of audio enthusiasts is pretty small compared to the world of consumer electronics in general. Within the world of high-end audio, vacuum tube technology looms rather large. It's like the LP - many users use tubes even though the solid state alternative exists.
Currently, tube production is limited to a small group of foreign opportunists who are sufficiently agile to extract profit by virtue of low cost manufacture and high selling price.Oh no, this is mistaken. Please check your facts. Domestic tube manufacturing lives. And to call tube manufacturers "opportunists" is really unwarranted. Making tubes is a legitimate business, even if it disturbs you.
With apologies to Mark Twain, rumors of the death of vacuum tubes are greatly exaggerated.
Hey, it's dead technology