Some headphones used for hearing protection to muffle the sound of shot gun. I use these for the small speaker enclosures.
I would like to find better speakers, I suspect the aircraft variety without the noise cancelling would have the Q and response for the vocal audio range needed to articulate talk and other signals. The audio amplifier circuit for simple radio might be made of discrete components when it accomplishes better radio readability of weak signals. A note relating similarity with music and radio design criteria.
I think radio builders of past needed to develop an ear. I find it curious that the ears of musical quality artists have acquired excellent finite skills in distinguishing sounds of the musical scale which are also by nature exponential. Because exponential is nonlinear a think an audio voltmeter would be very helpful when used properly would be more objective.
Many times we adjust the volume as we change station the signal reception is different so both audio amplification and preamplifier gain are tied together so eventually both gains work together.
A note about TRF: Tuned Radio Frequency architecture can be considered a departure from crystal radio but it is not.
As radio improved TRF grew. Crystal radio remains committed to the preservation of early models and is by right puritanical in that regard.
My experience with the puritans is they refuse to allow any improvement within their society guidelines however some of their
replications have nice spider coils and valuable collections, useful data you will find they tend reject most TRF projects and oppose any suggestion about the less popular crystal radios that do not fit their legacy.
I would like to find better speakers, I suspect the aircraft variety without the noise cancelling would have the Q and response for the vocal audio range needed to articulate talk and other signals. The audio amplifier circuit for simple radio might be made of discrete components when it accomplishes better radio readability of weak signals. A note relating similarity with music and radio design criteria.
I think radio builders of past needed to develop an ear. I find it curious that the ears of musical quality artists have acquired excellent finite skills in distinguishing sounds of the musical scale which are also by nature exponential. Because exponential is nonlinear a think an audio voltmeter would be very helpful when used properly would be more objective.
Many times we adjust the volume as we change station the signal reception is different so both audio amplification and preamplifier gain are tied together so eventually both gains work together.
A note about TRF: Tuned Radio Frequency architecture can be considered a departure from crystal radio but it is not.
As radio improved TRF grew. Crystal radio remains committed to the preservation of early models and is by right puritanical in that regard.
My experience with the puritans is they refuse to allow any improvement within their society guidelines however some of their
replications have nice spider coils and valuable collections, useful data you will find they tend reject most TRF projects and oppose any suggestion about the less popular crystal radios that do not fit their legacy.
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