[ARC5] 6AG7 and 6AG7Y

[Robert Downs]

As several others have written, a "Y" suffix when found on any metal octal
tube means that the tube has a low-loss base.  So it will perform better at
its upper frequency limit.  I will add that the "Y" suffix is generally an
acceptable replacement for any metal octal type (and most G and GT types)
except maybe the "W".  But that statement only applies to octal tubes.  I
have no idea what the "Y" signifies on a 4CX300Y.

 

Robert Downs

 

From: arc5-bounces at mailman.qth.net [mailto:arc5-bounces at mailman.qth.net] On
Behalf Of Fuqua, William L.
Sent: Sunday, July 18, 2021 19:20
To: arc5 at mailman.qth.net
Subject: [ARC5] 6AG7 and 6AG7Y

 

Does anyone know the difference between the 6AG7 and 6AG7Y tubes?

Can't find full spec on Y but I do know there is a big difference between
the 4CX300A and 4CX300Y tubes.

Maybe the 6AG7Y is later more durable tube???

 

73

Bill wa4lav

-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://mailman.qth.net/pipermail/arc5/attachments/20210719/02539f0d/attachment-0001.html>