[Amps] Re: Amps Digest, Vol 13, Issue 52

[W0UN -- John Brosnahan]

At 04:56 PM 1/31/2004, K3vw at aol.com wrote:

>You can use a 3-500Z chimney with the 3CX1200A7, Ameritron does ! Willy K3VW

So, if the Coleman lantern double mantle chimney works with a 4-400A
and that is the same size as a 3-500Z and if the 3-500Z chimney
works on the 3CX1200A7 then it sounds like the Coleman
lantern double mantle chimney should work with a 3CX1200A7.

Can anyone confirm that this is the case?  Don't know the price of
the Coleman lantern chimney these days but it used to be a
relatively inexpensive way to get Pyrex glass for your 4-400As.

Since I have a couple of 3CX1200xx tubes (A7 and Z7) but no
chimneys this would be a good thing to know.   Except for the
fact that a clear chimney is a real waste with an external anode
tube.

--John   W0UN

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