Maintained! Popular 500 Hz networks installed in Paragon and Olympus. It uses excellent parts such as high-voltage non-polar capacitors and coils using low-loss Orient cores, and is a network that is easy to use with 500 Hz crosses, and is very easy to use for those who are assembled with 175 or 375 drivers. Serial 33331 33351 (Tomonori Asaine)
Maintenance information: 2024.7.30 maintenance (terminal terminal mounting screw rust and bushing deterioration replacement terminal ultrasonic cleaning attenuator SW contact cleaning crossover check)
Accessories: none
Key Specifications: Crossover Frequency/500Hz Level Control/3 Position Switch 8Ω W159 × H153 × D120 mm 2.3 kg