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Old 21 May 2007, 20:41   #43
Quill2007
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Join Date: May 2007
Location: Christchurch/New Zealand
Age: 49
Posts: 12
Valves

Quote:
Originally Posted by jmmijo
Interesting, I wonder how many of us, without Googling that is, will know what the term Valve means when related to old Radio's
They are basically a diode, which is what the transistor is as well. They are in effect a tap on the current, which is (depending on type) o, off, or reducing flow.
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