Reciprocity calibration of 1 in. Microphones to iec 327 and 402; comparison calibation of 1/2 and 1 in. Microphones; frequency response measurements (2hz to 200 khz) on 1/8, 1/4, 1/2 and 1 in. Microphones
An item that, when used with an associated audio frequency signal generator, determines by comparison the output level of an audio frequency voltage. The meter is marked in volts or submultiples thereof. For items utilizing a meter the scale of which is marked in decibels or comparable units, and which do not require a driving oscillator, see meter, audio level. See also meter, modulation and meter, s-units.
Classification: Parts and accessories of articles of schedule b subheading 9030.39
NSN 6150-01-550-9770
NSN 5930-00-034-3481
NSN 6220-01-219-1592
NSN 4140-00-914-7949
NSN 6320-00-070-4544
NSN 6110-00-890-3042
NSN 5905-00-947-7983
NSN 6150-01-465-1622
NSN 5895-01-125-0278
NSN 5895-01-483-1554
NSN 6110-00-905-6148
NSN 6110-00-009-9334