Maintained! First time being an Onken driver in about 2 years. A titanium diaphragm, which was rare at the time, was used. Although it is a driver that covers a wide range of sounds from mid-bass to treble, it makes a very careful sound. When combined with your partner Woodhorn SC-500WOOD, you can enjoy a warm yet powerful sound (Tamura Eiji)
Maintenance information: 2026.3.19 Maintained (disassembly → round out the coil bobbin, penetrating adhesive penetrates into the coil float. Magnetic circuit slit maintenance → magnetic circuit slit cleaning and anti-corrosion treatment. Operation check → enter a sine wave and confirm the loss of ions. (Diaphragm centering adjustments and noise suppression implemented)
Accessories: none
Main specifications: titanium diaphragm playback frequency band 250 to 15,000 Hz 8 ohms maximum input 10 W 6.2 kg