Maintenance has been completed, such as cleaning the attenuator and replacing the insulation bushing. Popular 500 Hz networks installed in Paragon and Olympus. It uses excellent parts such as high voltage resistant 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 (Oikawa Tetsuji)
Maintenance information: 2026.4.5 maintained (attenuator SW contact cleaning, insulating bushing, screw rust replacement, ultrasonic terminal cleaning, crossover check OK)
Accessories: none
Key Specifications: Crossover Frequency/500Hz Level Control/3 Position Switch 8Ω W159 × H153 × D120 mm 2.3 kg