A horn-shaped tweeter that was also mounted on the OPTONICA studio monitor speaker CP93824. Similar to its exterior, the strong, straight treble and sense of sound pressure unique to high efficiency are attractive. Stains and deterioration can be seen on the exterior. Serial 4670/4674 (Kimiya Miura)
Maintenance information: 2023.3.22 operation confirmed
Accessories: no accessories
Main specifications: horn type tweeter frequency band 2,500 to 20,000 Hz impedance 8 ohms maximum input 60 W output sound pressure level 113 dB/W/m magnetic flux density 20,000 gauss VC diameter 3.81 cm 4.1 kg
A horn type tweeter that was also mounted on the CP93824 studio monitor speaker made by OPTONICA. Similar to its appearance, the powerful straight treble and the sense of sound pressure unique to high efficiency are attractive. The exterior has many rust and dents of the age. (Satoshi Yonejima)
Maintenance info: 2022.8.15 oscillator test good
Accessories: No accessories
Main specifications: Horn type tweeter Frequency band 2,500 to 20,000 Hz Impedance 8Ω Maximum input 60W Output sound pressure level 113dB/W/m Magnetic flux density 20,000 gauss VC diameter 3.81 cm 4.1 kg