Quote:
Originally Posted by G6Tanuki
Also, aggressive clipping of the audio: in practice the intelligibility of speech is primarily based on the frequency component not the amplitude component, so you can apply at least 10dB clipping - provided you follow it with some decent low-pass-filters to take out the harmonics that the clipping will generate.
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Yes, this the main reason I have been trying to find the circuit of the early Pye Ranger modulator as I suspect it had filtering and possibly compression. I'm not proposing it is anything special, or that it should be copied, simply that it might be interesting to see. My recollection is that the commercial RT sets had quite low levels of mod, nowhere near 100%.
B