It is a model with improved high-frequency tracing capability by attaching a line contact type diamond tip to the needle tip. It has delicate expressive power that you wouldn't think of as MM (Oikawa Tetsuji)
Maintenance information: 2026.4.18 Operation confirmed
Accessories: original box
Main specifications: mm type output voltage 6 mV 20 to 20,000 Hz needle pressure 1.5 g load resistance 47 kΩ dead weight 6 g