[Hallicrafters] HT-37 Questions - REDUCE HEAT IN THE TRANSFORMER

Rodney Bunt rodney_bunt at yahoo.com
Tue Jun 3 03:44:44 EDT 2003


The transformers run HOT. You can reduce the loa on the transformers by replacing the two HV
rectifiers with solid state equivalents like the Coper-cap plugin replacements, this will drop 30
watts load from the transformer as their is no heaters ....

Rodney
VK2KTZ

--- Kevin Berlen <kberlen at ticz.com> wrote:
> I am getting ready to fire up a HT-37 that has been dormant for
> many years. I don't know much about this rig, but it looks good
> and seems to be complete. I remember reading on this list that
> the power xfomers are a problem spot. I plan to bring it up slowly
> on a variac to hopefully reform the electrolytics, but is there anything
> else that I should or should not do? My QCWA chapter is hoping to
> have a boatanchor op position at a local club Field Day location
> using this rig for the TX portion and a R-388 on RX. TIA for any words
> of advice. 73,
> 
> Kevin, K9HX
> 
> _______________________________________________
> List Administrator: Duane Fischer, W8DBF **for assistance**
> dfischer at usol.com
> ----
> Hallicrafters Collectors International: http://www.w9wze.org
> ----
> http://mailman.qth.net/mailman/listinfo/hallicrafters


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