At the end of the war the British also introduced multiplexing, which enabled microphones to share a common field cable to the recording apparatus.

But the cause of that lay in the use of an imperfect recording apparatus.

It was squashed in the process, but it effectively messed up the recording apparatus.

He removed the recording apparatus and speaker and added a stereo amplifier.

Jim Planck followed and the three of them stood together, by the portable recording apparatus.

But the voice impulses, once they were received, were conveyed to a recording apparatus instead of a loudspeaker.

This recording apparatus used the thin wire instead of the more conventional wax records.

There wasn't even any surviving record of exactly what had happened at the gate; the recording apparatus had been sighted in the gatehouse itself.

Oh, how he wished he had found time to set up the recording apparatus so he could enjoy this again and again.

A recording head is the physical interface between a recording apparatus and a moving recording medium.