This is the first time in about 11 years that it has arrived. Self-made wood cab, each module (500Hz/800Hz/1000Hz/flat) included! Altec mono 2-way channel dividers, pair. Originally, it was developed as a directional horn (for speakers requiring high frequency correction), and was used by ALTEC in the final A10 model (3154 W woofer+MR94 mantalay horn), etc. Each module is also included, and very detailed settings are possible (Oikawa Tetsuji)
Maintenance information: 2026.2.23 Operation confirmed
Accessories: copy of instruction manual, power cable, each module x 2 (500Hz/800Hz/1000Hz/flat)
Main specifications: Approx. W483 x H45 x D123 mm (not including knob terminals), approx. 1.8 kg (not including wood cab)