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Tubes Asylum Questions about tubes and gear that glows. FAQ |
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Tubes Asylum Questions about tubes and gear that glows. FAQ |
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In Reply to: Re: Mullards was bought out by Philips posted by Bambi B on March 17, 2006 at 14:21:36:
I may be wrong but I was being facetious about the 'water'. All factories had to use at the minimum distilled water, and water cleanliness was quite important. I really doubt if the water had anything to do with it.
I believe differences disappear over time simply because the construction of the tubes start dropping. Somehow in the 50's and the 60's, perhaps because we couldn't make better caps and resistors, manufacturers concentrated on tubes. Later when we get better plastics and other technologies, there is a greater concentration on the other products.
When one closely examines tubes as they evolve, you notice a simplification in their construction: mica sheets become less elaborate in their punch outs, there are less 'fingers' on the mica sheet to contact the tube walls, 6FQ7's completely eliminate the center shielding plate, etc., etc. All this points to a steady decline in the construction quality of the tubes themselves. Who knows what else was being scrimped upon.?Stu
Stu
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Follow Ups
- Re: Mullards was bought out by Philips - unclestu52 16:06:30 03/17/06 (1)
- Magic Water - Bambi B 17:29:57 03/17/06 (0)
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