[Amps] Henry 4K Ultra - Military SErvice Manual ?

[Joe Isabella]

Have youy guys tried going to Dan at Henry Radio?  I suspect he'll have what you're looking for.
   
  Joe, N3JI

"Dave, K2DP" <k2dp at charter.net> wrote:
  OM's,

If anyone has the military service manual that Bob is referring to, I would 
also like to get a copy of same. OUr radio club has inherited this amp and 
it's well worn linkage is going to need some alignment in the not too 
distant future !

Many thanks,
Dave, K2DP, St. Louis
----- Original Message ----- 
From: "Bob Maser" 
To: "AMPS" 
Sent: Tuesday, December 27, 2005 12:21 AM
Subject: [Amps] Henry 4K Ultra


>I am still wrestling with the alignment of my 4KU. I am told that the 
>4KU's
> that were sold to the military were supplied with a "Service Manual" that
> had much more info regarding how to set up the gang tuned circuitry that 
> is
> adjusted as the Tune control is turned. The regular Operating and
> Maintenance manual that accompanied the civilian amps did not cover this. 
> I
> would really like to hear from someone that has this info. I suspect that
> Henry did not use 300 ohms as the intermediate impedance between the Pi 
> and
> the L of the tank circuit. The reason I think this is because when I set 
> up
> the L inductor for a specific band, it does not track properly as the
> frequency is changed.
>
> Any help would be greatly appreciated,
>
> Bob W6TR
>
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