Typical woofers that are worn with first-class items such as Exclusive2402 and Westlake Audio. It is a model with high stability that can withstand professional use. The reaction speed is fast and good ringing is attractive. Serial OG8753/OG8754 (Hiroshi Kondo)
Maintenance Information: 2021.5.29 Sound quality operation check
Accessories: Mounting screws
Main specifications: 40cm cone type woofer frequency characteristics 28Hz to 1000Hz 8Ω (actual measurement 7.2Ω · 7.3Ω) Output sound pressure level 97dB Dimensional diameter 400 mm × depth 167 mm 11Kg/1