| Name | Value |
|---|---|
| NAME | 6625-439725 |
| LIFE EXPECTANCY | 10 |
| BRIEF DESCRIPTION | RECORD-REPR AUD SPECT |
| NOMENCLATURE | RECORDER-REPRODUCER, AUDIO SPECTROGRAPH. AN APPARATUS USED IN THE FIELD OF COMMUNICATION FOR THE ANALYZATIONAND RECORDING OF NOISE AND DISTORED SIGNALS; ALSO FOR USE IN THE FIELD OF EDUCATION IN THE STUDY OF SPEECH DEFECTS. IT IS DESIGNED TO ACCEPT SUCH MODULAR PLUG-INS AS ANALYZING FILTERS; OSCILLOSCOPE DISPLAY; FREQUENCY TRANSLATOR; REAL-TIME (SPECTRUM) ANALYZER; TIME-MARK GENERATOR; VIBRATION PREAMPLIFIER; ETC. |