електромагнітний гучномовець
magnetic variation / magnetic declination
magnetic bubble memory / magnetic bubble store
multichannel speaker
speaker
external speaker jack
permanent-magnet speaker
piezoelectric speaker
pneumatic speaker
acquisition speaker
roving speaker
grid magnetic angle
magnetic anomaly detection (MAD) gear
magnetic azimuth
magnetic bearing
magnetic declination
magnetic intelligence
magnetic mine
magnetic mine hunting
magnetic needle
magnetic north (MN)
magnetic target sensor
magnetic focus
artificial magnetic anomalies
dip-needle magnetic mine
magnetic
magnetic inspection
magnetic chip detector
magnetic detection
runway magnetic azimuth
runway magnetic bearing
Earth's magnetic field
electro-magnetic contamination