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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: Mullards was bought out by Philips posted by unclestu52 on March 17, 2006 at 12:41:05:
unclestu52,Thanks for the clarifications/additions. I find I've never really had a clear concept of the Philips/Mullard relationship- I assumed the buyout occurred in the late 60's.
Yes, there are certainly differnces in tubes made by Philips plants Hamburg or Heerlen, but it seems to me as time went on the differences seem to be less and I can't actually destinguish the sound of a late Hamburg 6201 from a Blackburn one.
Someone commented that the differences were due to variations in the "cathode melt" which I don't know more about than what the name suggests, but it must be one of the more important and subtle tube making arts. The explanation I heard was that in each factory this would vary slightly so that even with identical mechanical design and tooling, the chemistry -the "water" was different and as you say made the sound vary a bit. I may misremember, but by one account it was the cathode melt that the revived Western Electric Co. could never get correct after an old supply ran out and contributed to their halting new WE 300B production.
Cheers,
Bambi b
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Follow Ups
- Re: Mullards was bought out by Philips - Bambi B 14:21:36 03/17/06 (2)
- 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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