Maintenance such as ATT disassembly and cleaning has been completed! It is a network that the company has installed for 604E units such as 612A and Crescendo. It can be said that it is a product with extremely high cost performance compared to duplex type units of this era. The exterior has rust spots, dirt, etc. (Tamura Eiji)
Maintenance information: 2024.12.28 maintained (attenuator VR disassembly cleaning, cable replacement, crossover check OK)
Accessories: none
Key Specifications: Crossover 1500 Hz Impedance 8 to 16 ohms