Professional microphone Hypercardioid dynamic type.
Intended to singing, very robust, so it is perfect on stage.
At the time it was designed with a switch.
He already has a windshield on the membrane and will be replaced
more recently by the D 5 and D 7 / S with the new membrane
variable, AKG technology.
However with 500 ohms and its response 80-20000 Hz,
there is an excellent microphone to keep especially for the Live,
well above the SM 58, "very punchy."
About 11 years he often helps out, as the "big" AKG, it is like new, to tell its solid design.
Yes I have several types and models of pickup.
This is one of my favorites for Live.
Its uniqueness is its response,
then a second: its reliability in the solid!
Difficult to repeat this choice except occasion because it is more
produced by the brand.
If you are unsure about a D 7, and you find that D 60 S,
try it and negotiate it at a good price, it must be in good condition
like the ones I can still see but whose owners do not separate
not easy, lol.