Maintained! A type with few exhibits! Crossover 800 Hz network. It is a rare item that is essential for 2-way systems. Serial 16932, 17134 (Murakoshi Yoichi)
Maintenance information: 2026.5.13 maintained (terminal mounting screw rust and insulation bushing replacement, attenuator SW contact cleaning, crossover check)
Accessories: none
Main specifications: Impedance: 8 ohms low range/16 ohm treble range, 800 Hz, high frequency boost, 3-step switching