Come on, Nate. You know better than that. Or you ought to turn your ham ticket in, one or the other.
Yeah but, I think you're just picking nits. Dynamic has a coil, electret has a capacitor and a charge and usually needs a pre-amp since the signal is tiny.
Nowadays you can make anything work with an airplane. Might not be FAA TSO, but they're using the amplified dynamic because there was virtually nothing to break and some early aircraft had looooong cable runs to the avionics bay. If you tried to amplify at the other end, all you'd have is noise and a horrible S/N ratio.
I'm pretty sure that piece of junk someone put in our glove box that we've never used, is a *carbon* mic. I'd have to look at it closer. It's officially an "aviation" mic.
Speaking of having an extra mic so you can use the overhead speaker if needed... Imagine my surprise when I found the extra mic jack on the center pedestal wasn't actually wired to anything. LOL.
Idiot left it there with no wires after someone upgraded the panel to a PS Engineering and BK radios in the 80s.
Certified avionics person and an A&P sign off, right there... Boy howdy. High quality FAA-approved work.
Don't get me started on Cessna grounding... And the back side of their breaker panels. Looks about as good as most old model railroad sets. LOL.
Almost nothing in my ham shack is dynamic. You said they're using dynamic, which isn't true anymore. Opened up the Kenwood commercial mic just now to look, and it's an electret. So is the EF Johnson. Both are public safety radios.
Last dynamics I have around here from public safety are the mics from the GE MASTR II lineup, and the older Motorola ones. The new ones look the same but aren't dynamic mics inside at all.
Some of the Heil stuff is dynamic. (Who'd have ever thought some guy would pinch off the audio response of a dynamic mic to mids and highs only, make it sound really tinny and awful, and could sell it to hams as a "contest"/DX mic? And he'd make enough money doing it, he'd gold plate some of them and sell those too? LOL! Cool that Joe Walsh hangs with Bob and helps him with advertising though, nothing like an old rock band guy to convince 70s audiophiles that the mics are good!)
(I can't complain about Heil though, they're like David Clark... You send 'em a dead one, it'll be back fixed as good as new for nothing or close to it. One of the headsets has an intermittent. They're going to replace the entire headset cord and integrated PTT and scan switches for $17. It's an old Heil Traveler. Neat idea, weak little switchbox. They made a newer model with beefed up switches and heavier cord, and then stopped selling them saying they're "designing the next generation".
On those public safety rigs, they put a hockey puck of lead or other metal inside those new mics to make them as heavy as an old dynamic mics, because Officers and Firefighters didn't like the dainty feel of the new lightweight mics, and they also kept the huge mic handsets necessary for the big dynamic mics, but they're mostly full of air.
When the officers get mad and throw them across the car, the metal in the early ones was just held on by double sided tape (especially Kenwood) and would come loose and rattle around inside the mic case. You could hear it over the air. LOL.
Most now at least have a screw holding the metal puck to the back of the mic case, often the same screw that holds the mic hangup button on the outside rear of the case.
You sure know when you get a real dynamic hand mic. You could beat someone to death with one of those things.
Do you get as much of a kick out of Apple putting two mics on the iPhone and touting it as new technology for noise cancellation as I do?
Heck, tossing a second mic on the line 180 out of phase and pointed away from the audio source is a decades old trick. Pretty sure Apple is creating a fake phase difference in a DSP and not in the audio input to the mic amp, so they can shape the cancelation noise a bit toward the high end... but it's still one of the oldest tricks in the book.
