[Tube-Swap] Re: GB> 7404 tube

Jim Isbell [email protected]
Mon, 10 Nov 2003 21:15:24 -0600


Nope, that is the type as printed on the end of the RCA box.  Its a BIG
box about 8"x2"x2"

Crawfish wrote:

 >The 7404 might be a date code, meaning the 4th week of 1974.
 >----- Original Message -----
 >From: Jim Isbell <[email protected]>
 >To: Mail List Tubes <[email protected]>; Mail list Glowbugs
 ><[email protected]>
 >Sent: Monday, November 10, 2003 4:55 PM
 >Subject: GB> 7404 tube
 >
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 >
 >>Anyone have any idea what a 7404 is.  It looks like maybe a microwave
 >>tube or maybe a HV diode.  It has a wire lead coming off the side and
 >>apparently only one or two other contacts that are on rings on the side.
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