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EV 644 CardioLine

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This weekend, I was at a gear swap when I stumbled across this shotgun mic from the 1960s. The ElectroVoice  644 CardioLine. The only thing I know about them is that they are a dynamic shotgun! Does anybody know anything about these?


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Oh my gosh. We had one of these at the NBC station I shot news at in the late 70's. We plugged it into our Frezzolini 16mm, mag sound cameras (with augenieux crank zoom lens). Back then I had no idea what an interference tube was but I think this has one. As I remember it had a 2-pin screw-on connector to XLR cable.


It worked better than our other microphones (EV635) at picking up distant sounds but I was a snot-nosed kid back then, fresh out of college. What did I know. I can't remember the level of self or handling noise.


Thanks for the trip through memory lane.

And it was HEAVY.

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