[Hallicrafters] HT-37 neutralization

George KB2Z Thermionic_Emission at earthlink.net
Mon Dec 26 08:25:11 EST 2005


Ted,
I have done a few and its not as bad as it sounds. I used an external 
sig gen as suggested in the procedure. The biggest pain is 
unsoldering and resoldering the plate lead. Unfortunately an external 
current meter is needed to find the dip. The dip is easier to see on 
an analog meter but a DVM will work if you have patience. Be sure to 
put the meter in series with the plate lead.
Good luck and have a Happy New Year, George
.


At 11:50 PM 12/25/05, you wrote:
>Hello,
>         I have two HT-37 transmitters I'd like to replace the 
> finals in (6146As).  The manual seems a bit complicated to do the 
> neutralization.  Is there an easier way?  Is there some way to 
> monitor the output and adjust C44 without doing all the 
> disconnecting/reconnecting, ...etc.?
>Thanks,
>Ted, K8AQM
>
>
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