This is Altech's classic 1 inch 4 sectional horn. With a 1-inch driver of your choice, such as the 802-8D, you can enjoy the horn sound unique to Altec with good sharpness. The exterior has dullness and small scratches due to aging (Yonejima Satoshi)
Main specifications: crossover 500 Hz directional horizontal 90 x vertical 40 throat diameter 250 mm W600 x H270 x D 486 mm 6.7 kg