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YAMAHA 12AX7A/7025-HELP-anyone seen that before?
YAMAHA 12AX7A/7025-HELP-anyone seen that before?
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Old 12th March 2018, 11:05 PM   #21
Dimitris AR is offline Dimitris AR  Greece
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Join Date: Nov 2011
Location: Athens
I have a PENTA 12AX7A in my hand now and it looks very similar to this "Yamaha " tube .
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Old 13th March 2018, 04:41 PM   #22
siemionet is offline siemionet  United Kingdom
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Join Date: Mar 2018
Quote:
Originally Posted by Dimitris AR View Post
I have a PENTA 12AX7A in my hand now and it looks very similar to this "Yamaha " tube .
Just someone who looked closely in them said that these are Russian military valves....
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Old 13th March 2018, 05:54 PM   #23
MelB is offline MelB  Canada
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Join Date: Feb 2005
Location: BC Canada
Definitely Chinese. They really aren't that bad though. Lots of guitar amp manufactures use them. I have one here identical labeled MESA 7025.
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