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Comments
these are good but not cheap. i had a set in my fender for 9 years before one blew. and don't forget there is vat to go on that price as well
http://www.watfordvalves.com/product_detail.asp?id=1313
"Take these three items, some WD-40, a vise grip, and a roll of duct tape. Any man worth his salt can fix almost any problem with this stuff alone." - Walt Kowalski
"Only two things are infinite - the universe, and human stupidity. And I'm not sure about the universe." - Albert Einstein
I've got the Phillips in my Tweed Twin reissue and they really are fantastic valves. So much so that I bought four spare when I had the money. And I'll buy more when I can ... they won't be available for ever!
I think Langrex has them too, though if I remember correctly, his are Siemens branded .. same valve though.
"Take these three items, some WD-40, a vise grip, and a roll of duct tape. Any man worth his salt can fix almost any problem with this stuff alone." - Walt Kowalski
"Only two things are infinite - the universe, and human stupidity. And I'm not sure about the universe." - Albert Einstein
Have a look here ..... http://www.ebay.co.uk/itm/6L6WGB-5881-SIEMENS-MATCHED-PAIR-NOS-BOXED-/260866814062?pt=UK_Sound_Vision_Valves_Vacuum_Tubes&hash=item3cbcdfb06e
They are identical internally (I've got a pair). Note he says made by Sylvania, which of course was Phillips owned by the 70's. I've seen them in other "flavours" as well. All the same valve.
The Watford ones are NATO boxed and date to 1985 (very late production!) Reckon NATO must have still had a requirement in some equipment for the old 6L6GB sized valve. The internals do seem to be the same as the much rarer (and more expensive) full size Phillips 6L6GC bottle. As you say that's why they work well in the modern higher B+ voltage amps, not sure if the smaller bottle will ultimately shorten their life though compared to the GC.
Probably needed to fit into a particular physical space. The smaller bottle shouldn't affect life much if at all - the only possible effect would be slightly hotter running due to the smaller surface area to radiate heat from.
"Take these three items, some WD-40, a vise grip, and a roll of duct tape. Any man worth his salt can fix almost any problem with this stuff alone." - Walt Kowalski
"Only two things are infinite - the universe, and human stupidity. And I'm not sure about the universe." - Albert Einstein
Means the price of these will keep going up. Shame, they probably last miles longer than most new production models, which will just be thrown away.
"Take these three items, some WD-40, a vise grip, and a roll of duct tape. Any man worth his salt can fix almost any problem with this stuff alone." - Walt Kowalski
"Only two things are infinite - the universe, and human stupidity. And I'm not sure about the universe." - Albert Einstein
Don't put yourself down. What's the price difference, about two sets of strings per power valve?
"Take these three items, some WD-40, a vise grip, and a roll of duct tape. Any man worth his salt can fix almost any problem with this stuff alone." - Walt Kowalski
"Only two things are infinite - the universe, and human stupidity. And I'm not sure about the universe." - Albert Einstein