Magnetic Recording Heads IEM is an engineering oriented company located in Wheeling Illinois. We have designed and manufactured magnetic recording heads since our founding in !961. If you have an interest in magnetic transducers of any type, we will be pleased to discuss your application and how we ...

STT-4 The STT-4 Shorted Turns Tester offers a quick and easy means to detect shorted turns in bobbin coils. It is a non-stress and non-contact test. By placing a coil over the test probe, shorted turns will inductively couple with the probe field and load the STT-4 circuit. If there is no current pa...

Head Relapping/Repair We are well equipped to relap and repair worn tape heads. Heads sent in for repair are put through a series of inspections to determine their condition and expected head life. Inspection procedures include evaluation under microscope and inductance measurement. These two steps ...

Directions IEM is located in Wheeling, Il near the Chicago Executive Airport. International Electro-Magnetics, Inc. 1033A S. Noel Ave. Wheeling, Illinois 60090 If driving from O'Hare Intl. Airport, drive North on I-294 to the Willow / Palatine Road Exit. Drive West 3 miles to Wheeling Road; go North...

Audio Mastering Magnetic Recording Heads Product Features Tape and Film Standard Replacement Instrumentation Quality Custom Formats Home About Us Coil Test Equipment Turns Counters TC-5/TC-5A for Bobbin Coils Model 1000 Toroidal Turns Analyzer Calibration Coils Shorted Turns Testing STT-4 Shorted Tu...