It has been maintained. With a crossover of 7000 Hz, the best network for tweeters such as 075 and 077! Please enjoy using it in a way that suits your purpose, such as 2-way and 3-way. The appearance has a feeling of use such as dullness. Serial 17288 18098 (Asaine Tomoho)
Maintenance information: 2022.5.14 Maintained (housing wash terminal rust removal pickling cleaning insulation bushing & mounting screw replacement ATT new replacement frequency characteristic measurement check (~ approx. 42kHz) and continue to use the original capacitor for good results input/output waveform and balance check sound output check)
Accessories: none
Key Specifications: Variable Level Control Crossover Frequency 7kHz 8Ω Weight 900g