| Method | 1-Way, 4-Speaker, Sealed Type, Floor Type |
| Unit | For all bands : 4 x 13 cm cone (2105) |
| Playback frequency band | 150 Hz to 15 kHz |
| Directional | 120 ° (horizontal) x30 ° (vertical) |
| Impedance | 8 Ω |
| Output sound pressure level | 100 dB (New JIS) |
| Allowable input | 100W |
| Enclosure volume | 34L |
| External dimensions | Width 400x Height 762x Depth 165 mm |
| Weight | 18 kg (listed in the catalog after 1975) 16 kg (according to 1973 catalog) |
