IEC EN 61120-4 Reel-to-Reel Digital Voice Recorder Using 6,3 mm Magnetic Tape for Professional Use - Part 4: Magnetic Tape Specifications: Definitions and Methods of Measurement

Electromagnetic and Electrical Tests

IEC EN 61120-4 Reel-to-Reel Digital Voice Recorder Using 6,3 mm Magnetic Tape for Professional Use - Part 4: Magnetic Tape Specifications: Definitions and Methods of Measurement

EUROLAB, with its state-of-the-art accredited laboratories and expert team, provides precise and fast testing services within the scope of IEC EN 61120-4 testing. It is applied to the measurement methods of the properties of magnetic tapes used in digital audio reel-to-reel recording and reproduction systems using 6,3 mm magnetic tape for professional use.

IEC EN 61120-4 Reel-to-Reel Digital Voice Recorder Using 6,3 mm Magnetic Tape for Professional Use - Part 4: Magnetic Tape Specifications: Definitions and Methods of Measurement

Reference tapes will be provided on the basis of a primary standard derived from an agreed, carefully measured batch of tapes and shared among all member national standards bodies.

Measurements on these primary reference tapes should be certified by the issuing national standards body and verified by a second IEC member national standards body that is able and prepared to do so.

The overwrite feature is defined as the difference between the average signal level of a recording in test intensity A using the test recording current and the average signal level remaining after overwriting the same portion of the tape in test intensity B. The tape winding shall be in accordance with the respective lead manufacturer's recommendation and shall be adjusted for maximum short wavelength response.

EUROLAB assists manufacturers with IEC EN 61120-4 test compliance. Our test experts, with their professional working mission and principles, provide you, our manufacturers and suppliers, the best service and controlled testing process in our laboratories. Thanks to these services, businesses receive more effective, high-performance and quality testing services and provide safe, fast and uninterrupted service to their customers.

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