Brimar ECC83

NOS, modern, dating and identifying.

Brimar ECC83

Postby David B » Sat May 09, 2009 4:33 pm

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Re: Brimar ECC83

Postby dai h. » Sun May 10, 2009 1:48 am

hey David. :) Not 100% sure, but I'd say yes. Maybe the most common(guessing)? I've got one of those if I've got the mental match correct. Also there is another one with a bit less stumpy of a bottle(I think older?) and the CV4004 one with half-flange anode(i.e. wing sticking out only on one side of the plate like a lot of 12AT7s). My bet is most Marshall enthusiasts would be quite happy with a bunch of those in their tube arsenal(I only have the one used and worn looking one but it seems quality in sound and microphony).
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Re: Brimar ECC83

Postby Brian Wallace » Sun May 10, 2009 3:33 am

The Brimar 12ax7 is my favorite tube in my 66 JTM45. :twisted:
Remember....You can fix it with a little extra energy and a positive attitude. ;)
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Re: Brimar ECC83

Postby David B » Sun May 10, 2009 11:05 am

Its got two brothers,working on pictures now..
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Re: Brimar ECC83

Postby David B » Sun May 10, 2009 11:23 am

One has codes I can't make out and the other none. I'll have to try for better shots.


http://i270.photobucket.com/albums/jj10 ... C02630.jpg
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Re: Brimar ECC83

Postby Jeff West » Wed May 13, 2009 12:57 am

Hey David- On the first one, I think the complete code is actually "1K8/1574", and that's late 1968. Per the GEC thread below (near the latest end), I think the "1K8" is "week/month/year", and the four digit number indicates specific type (more specific than just "12AX7"). "1574" seems to be specific to the standard short ladder plate version of the '60s like these. Would you call them bright (in a good way)?

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Re: Brimar ECC83

Postby David B » Wed May 13, 2009 12:53 pm

Hi Jeff,

Thanks for pointing me to the thread, right under my nose the whole time. OK so the first example would be 1st week November 1968 unless a letter is skipped? I'm hoping a better picture of the other Brimar that has some print intact will aid in deciphering it's DOB.
I haven't had the opportunity to try them yet but I bet they will be just the ticket in a recently built JTM50 clone as its a bit dark sounding plus Brian digs em best in his 66 :D
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