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post #33166 of 39044
Quote:
Originally Posted by joseph69 View Post
 

I was told to use an eraser to clean the tube pins.

CRC Press: Cyclic Redundancy Check

This is what I found under this link under electronics?

 

 

Quote:
Originally Posted by joseph69 View Post
 

CRC is in relation with valve tube codes according to this link.

 

Thanks for that dude.

 

CRC :confused::eek: I will never remember that. :D

post #33167 of 39044
Quote:
Originally Posted by Badas View Post
 

Has someone got a procedure for cleaning dirty pins they can give me? What is the best way?

 

Also, Curiosity. I know what JAN means however what does CRC stand for?


DeoxIT Gold for cleaning pins. 

post #33168 of 39044
Quote:
Originally Posted by Badas View Post
 

Has someone got a procedure for cleaning dirty pins they can give me? What is the best way?

 

Also, Curiosity. I know what JAN means however what does CRC stand for?


Joint Army Navy (JAN), Radio Corp of America (RCA who's manufacturing code is: CRC).

post #33169 of 39044
Quote:
Originally Posted by Krutsch View Post
 

Joint Army Navy (JAN), Radio Corp of America (RCA who's manufacturing code is: CRC).

RCA/GE from my search?

post #33170 of 39044
Quote:
Originally Posted by joseph69 View Post
 

RCA/GE from my search?


Ah... not sure what you mean. I thought that link was humor (a hundred listings of cyclic redundancy check).

 

I've read that somewhere that it's a manufacturer ID, similar to how JAN-CHM refers to Chatham.

post #33171 of 39044
Quote:
Originally Posted by Krutsch View Post
 

Ah... not sure what you mean. I thought that link was humor (a hundred listings of cyclic redundancy check).

I've read that somewhere that it's a manufacturer ID, similar to how JAN-CHM refers to Chatham.

In one of the links I posted it says at the top before the list of acronyms 

"Cyclic Redundancy Check for valve tube codes"?

I also seen that RCA and GE tubes use this CRC code when I Googled

"What valve tubes use the code CRC"?


Edited by joseph69 - 3/22/15 at 8:34pm
post #33172 of 39044
post #33173 of 39044

Here's something interesting…link

post #33174 of 39044
Sorry. I opened up a can of worms with the CRC question.



Are these okay to clean tube pins with? We can't get the other suggestion in our country. rolleyes.gif
post #33175 of 39044
Quote:
Originally Posted by Badas View Post
 

Has someone got a procedure for cleaning dirty pins they can give me? What is the best way?

 

Also, Curiosity. I know what JAN means however what does CRC stand for?

 

http://www.musicdirect.com/p-1158-caig-vacuum-tube-survival-kit.aspx

post #33176 of 39044

Manufacture codes, seemingly from WW2 era

 

GE: CL (JAN’ed GE tubes are rather rare)
Hytron: CHY (merger with CBS came after VT-231 designations, hence no 'CBS/Hytron' yet)
Ken-Rad: CKR
Sylvania: CHS
Raytheon: CRP
RCA: CRC
Tung-Sol: CTL

 

CRC is RCA

post #33177 of 39044
Quote:
Originally Posted by Badas View Post
 

Has someone got a procedure for cleaning dirty pins they can give me? What is the best way?

 

Also, Curiosity. I know what JAN means however what does CRC stand for?

If you really want to clean them use sandpaper works very good especially on rectifiers an octal tube  big pins  you wrap it around pin and go up and down and around the pin  i also tried with my Dremel and a rubber conical bit works good for tubes with smaller pins  as you can go all around them but bits dont last very long .                                                                                                                                                                   

post #33178 of 39044
Quote:
Originally Posted by Nic Rhodes View Post
 

Manufacture codes, seemingly from WW2 era

 

GE: CL (JAN’ed GE tubes are rather rare)
Hytron: CHY (merger with CBS came after VT-231 designations, hence no 'CBS/Hytron' yet)
Ken-Rad: CKR
Sylvania: CHS
Raytheon: CRP
RCA: CRC
Tung-Sol: CTL

 

CRC is RCA


The first letter C stands for Contractor (to the military)

post #33179 of 39044
Quote:
Originally Posted by rosgr63 View Post
 


The first letter C stands for Contractor (to the military)

Ah, finally, some new information :beerchug:

post #33180 of 39044
Quote:
Originally Posted by Nic Rhodes View Post
 

Manufacture codes, seemingly from WW2 era

 

GE: CL (JAN’ed GE tubes are rather rare)

 

This was originally a Navy system and earlier than that. They started with two letters and added more when the number of contractors grew.

 

I believe CL = Canadian General Electric (CGE) while CG = GE.

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