Hello,
If a ECC83 by Philips has the code "163 B3A5", does that mean it's a Mullard from GB? If so, then I might have made a good deal on ebay (€ 25 for a pair of NOS Philips with that code). Anyway it's too late now, as I won the auction already, but I'm curious.
Greetings
Christoph
Donations
Philips by Mullard?
Moderators: colossal, zaphod_phil, CurtissRobin
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Kitus
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zaphod_phil
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Yes, the production code starting with a "B" means they were made in Mullard's factory in Blackburn. You did very well there!
To find out more about the codes and when your valves were made, see:
http://www.cs.helsinki.fi/u/oheinone/va ... oding.html
http://www.audiotubes.com/mullcode.htm
To find out more about the codes and when your valves were made, see:
http://www.cs.helsinki.fi/u/oheinone/va ... oding.html
http://www.audiotubes.com/mullcode.htm
0 x
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Kitus
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