|[AMRadio] Re: RCA 1:1 mod xfmr|
k4kyv at charter.net
Sun Dec 2 00:02:44 EST 2007
The RCA 1:1 ratio mod xfmr @ 5500 was made for liberty ship transmitters
during WW2. It was not designed for voice, but for MCW, so it was meant for
running a single tone, and is not high-fidelity. That's why its audio
quality is on par with the lowest cost "ham radio quality" modulation
transformers, nowhere as good as RCA broadcast modulation transformers. The
quality is quite acceptable if you are not looking for hi-fi audio. With
the 1:1 ratio, you should be able to get incredible positive peaks. The
properties of the transformer, as listed on the name plate, do not make
sense if you calculate using ohm's law, that is, current through the
secondary vs total power rating vs nominal impedance values.
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