Back in the 80’s the MC-50 mic with Kenwood Rigs was considered about as good as it gets for SSB audio. Word got around that sliding a toilet paper tube over the MC-50 mic altered the frequency response (obviously) and enhanced the tonal quality of the mic. I tried it and never took it off for several years. Yaesu has brought it back! (well– in a more sophisticated method.) As a design feature of the M-1 Reference Mic. They call it “Treble Boost Cowling”!
See what an $650 mic get you!
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