The microphone commonly consists of a magnetic ( moving coil ) transducer, contact plate and contact pin.
2.
MC4 stands for the manufacturer Multi-Contact and a 4 for the 4mm ( diameter ) contact pin pin.
3.
This also helped protect the male contact pins from damage from the constant dragging of cables around a set throughout the day.
4.
There is one additional gold contact pin surrounding the rewind spigot, that joins with the electrical connection on the base of the camera.
5.
:: : If the contact pin doesn't feel mechanically loose, use a bright light and a magnifier to inspect it for oxidation.
6.
The contact plate is placed directly on the vibrating part of a musical instrument or other surface, and the contact pin transfers vibrations to the coil.
7.
This device contains a fast contact pin that upon activation by an external relay, makes physical contact with the energized bus which then creates the short-circuit.
8.
The plastic connector housing is TE Connectivity / AMP 171822-4 with female metal contact pins are choice of AMP 170204-* or 170262-*, where * is 1 or 2 or 4.
9.
As in the case of the conventional linear winding technology, a contact pin or a hook contact can be terminated for the electrical connection and for interconnecting the single poles in a star connection or delta connection.
10.
Each rotor was a disc approximately in diameter made from hard rubber or bakelite with 26 brass, spring-loaded, electrical contact pins arranged in a circle on one face; the other side housing the corresponding number of circular plate electrical contacts.
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