This is the demagnetizer for the tape recorder head. The way to use it is as simple as turning on the power by moving it close so it doesn't come into contact with the head. It can be demagnetized even in tight places. Overall there is dullness (Oikawa Tetsuji)
Maintenance information: 2026.3.11 continuity confirmed
Main specifications: W65 x H35 x D140 mm 0.4 kg (actual measurement)