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Author Topic: Hallicrafters sx-9 transformer specs  (Read 1889 times)
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N9AXl
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« on: May 01, 2025, 01:11:36 PM »

Any ideas on the output specs of the power transformer on an SX-9.  I have a line on an SX-11 transformer.

The schematics seem more or less the same
although the sx-11 uses a 5z3 instead of a 5z4

Given the 5z3 has slightly more robust requirements I don?t see any issues aside from physical placement.

There?s some large tv type transformer in the SX-9 now but I?d eventually like to get this back to correct parts.
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DMOD
AC0OB - A Place where Thermionic Emitters Rule!
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« Reply #1 on: May 02, 2025, 05:54:50 PM »

...
There?s some large tv type transformer in the SX-9 now but I?d eventually like to get this back to correct parts.

If it is working what does it matter if there is a TV transformer in there? Many of the old TV transformers were more robust than the OEM transformers.

I suspect a TV transformer is in there because an original could not be found.
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