"I have had dozens of Sb-220 amps in my almost 40 years as a ham. Most of
the parasitic suppressors I have changed had their carbon resistors change
value enough to make them not as effective as suppressors should be. Most
time a change of resistors will tame a quirky Sb-220."
Let us follow this statement with basic logic.
1. The SB-220 becomes unstable when the carbon resistor changes value.
2. When that happens, ham A changes out the parasitic suppressor by
installing Rich's nichrome suppressor kit, which just happens to include an
excellent and stable replacement resistor for the aged carbon resistor.
3. Ham A installs the kit, complete with the new and stable replacement
4. The SB-220 is stable again.
5. Grateful ham A exclaims to the world that it is Rich's marvelous
suppressor fixed the problem.
It seems the poor resistor has been neglected and is not receiving the
credit it deserves.
I am not trying to discredit Rich's research or opinions. I just want to
give a little more credit to the resistor. It seems under appreciated in
this whole affair.
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