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Mullard valves
Mullard valves
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Old 10th October 2018, 05:11 PM   #1
llan is offline llan  England
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Default Mullard valves

Good day all

I have some Mullard valves old stock not the new copies which have Foreign

written on them they look just like the original Mullards, has any one any idea were they were manufactured, they look as if they are made some were in europe.

Llan
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Old 10th October 2018, 05:41 PM   #2
Galu is offline Galu  Scotland
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Could you attach some photos showing the printed logos clearly?

All original Mullards were manufactured in England, but the brand was revived by Russian manufacture Sovtek who made a variant of the ECC83.
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Old 10th October 2018, 06:00 PM   #3
Galu is offline Galu  Scotland
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Also, which valves do you have and how old?

The first British-made Mullards were manufactured in 1926 (PM3 and PM4).

Inital Mullard 'production' involved re-labelling imported Philips valves.
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Old 10th October 2018, 06:31 PM   #4
aardvarkash10 is offline aardvarkash10  New Zealand
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Quote:
Originally Posted by llan View Post
... they look as if they are made some were in europe.
What, they don't have the square slavic look, or aisiatic facial features?

Are they fairer skinned than some of the alternatives?

What exactly are the differentiating physical features of a european-manufactured device?

And most importantly, will Brexit mean they have to be returned?
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Old 10th October 2018, 06:34 PM   #5
Alan4411 is offline Alan4411  Wales
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Mullard valves were part of the Philips group.
Most from 1948 have an etch code on them some where denoting Type, Date and Place of manufacture. This table is very helpful in understanding the codes. https://frank.pocnet.net/other/Phili...CodeListAB.pdf

Alan
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Old 10th October 2018, 06:47 PM   #6
Galu is offline Galu  Scotland
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Quote:
Originally Posted by aardvarkash10 View Post
And most importantly, will Brexit mean they have to be returned?
In danger of straying into UK politics there, you naughty New Zealander!
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Old 11th October 2018, 10:31 AM   #7
DF96 is offline DF96  England
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Most Mullards were made somewhere in Europe, but some were made in India by BEL.
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Old 11th October 2018, 12:06 PM   #8
Steve Morley is offline Steve Morley  Canada
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The ones I've seen that were labeled foreign were Philips from Heerlen, Holland or Valvo from Hamburg, Germany. All decent stuff usually. Though some of the old Mullard "valves" will work fine for a bit then break your heart. The filaments might blow. Or the filament will be fine but they'll go wonky and draw more, or maybe less current through the "active" section of the tube. Anyway, don't build a circuit around say two old rare tubes unless you have a dozen or so backups.

Steve
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Old 11th October 2018, 12:59 PM   #9
JonSnell Electronic is offline JonSnell Electronic  United Kingdom
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This will help you identify them.
Mullard, Philips, and Valvo Tube Codes
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Old 11th October 2018, 04:11 PM   #10
llan is offline llan  England
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Default Mullard codes

Hello lads


Yes quite complex, well the code on my ECF82 is 4X5 and under this line is r5F1
and yes its a little r and the other ECF82 as no code on it other than 11 under the base between the pins , but looking closer at the structures they seem to be the same well made valves they look like Dutch or German?


Llan
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