[Hallicrafters] SX 42 capacitor question

[Roger D Johnson]

Rodger Singley wrote:
> I would vote with those who say that these are paper caps.  There were a lot
> of paper caps using packaging just like the mica units in the old boat
> anchors.  I have an RME-45 that had a pair of these "mica look-alikes" as
> line bypass caps and they were soldered to the transformer terminals and
> mounted beneath it; this particular RME-45 also had no fuse.  When I bought
> it at a hamfest (for cheap thank goodness!) those caps had shorted and
> caught fire and burnt much of the paper on the bottom of the power
> transformer.  Although the transformer still tested ok on leakage and did
> not heat up in use given its looks and fire exposure I decided to replace it
> anyway.
> 
> Also, mica caps have always been more expensive than paper and although I
> have a lot of Hallicrafters radios (and like them) I would be surprised to
> see Halli use more expensive parts than what was necessary  :)
> 
> 73, Rodger WQ9E  

If memory serves, if the first dot is black the cap is mica, if silver
it's paper.

73, Roger


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