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electrets tend to have a pretty flat and wide frequency response compared to the dynamics found in cb/ham mics, 30hz-15khz is not unusual for a typical small phone type, thats not ideal unless you want wideband audio and have a mic equaliser,

the case of any mic also effects the sound, more so if you dont seal around the cartridge with high density foam or something similar to minimise reflections from within the mic case coloring the audio,

you could try two electrets in parallel for more ooomph, go smaller on the capacitor to remove bass,
heres my buddy motors wideband dual electret mod for the d104.

Dual Electret Mic circuit (AKA Motormouth Mic)

[QUOTE="bob85, post: 137947, member: 18"] electrets tend to have a pretty flat and wide frequency response compared to the dynamics found in cb/ham mics, 30hz-15khz is not unusual for a typical small phone type, thats not ideal unless you want wideband audio and have a mic equaliser, the case of any mic also effects the sound, more so if you dont seal around the cartridge with high density foam or something similar to minimise reflections from within the mic case coloring the audio, you could try two electrets in parallel for more ooomph, go smaller on the capacitor to remove bass, heres my buddy motors wideband dual electret mod for the d104. [URL="http://mysite.verizon.net/jabartal/Duel%20Electret%20Element%20Mic.JPG"]Dual Electret Mic circuit (AKA Motormouth Mic)[/URL] [/QUOTE]

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