It seems to be made by MAGNAVOX, but details such as the model number are unknown, a 30cm full range unit. The exterior has a feeling of use over time such as fading and dullness (Asaina Tomonori)
Maintenance information: 2023.11.6 sound output checked
Accessories: none
Main specifications: screw pitch 295mm (diagonal), weight 1.3 kg (measured value)