Tension arm

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Left tension arm on Studer A-80 tape recorder
Left tension arm on Studer A-80 tape recorder

Tension arm is a device used in magnetic tape recorders/reproducers to control the tension of the magnetic tape during machine operation. The recorders equipped with a tension arm can utilize more than one of them to control tape tension in different direction of winding or during different modes of tape operation. Tension arms can also be found on digital data recorders and other types of recorders/reproducers using continuous tape medium such as magnetic digital tape, perforated paper tape, analog magnetic tape etc.

[edit] References

One of many US Patents pertaining to Tension arm