Altec's 20cm coaxial full range The unit has a bright and crisp sound, and is easy to use because it can cover enough bandwidth with just one shot. The exterior has streaks that look like scratches on corn paper (Murakoshi Yoichi)
Maintenance information: 2025.9.16 sound output confirmed
Accessories: none
Main specifications: coaxial 2-way full range aperture 20 cm playback frequency band 50 to 15,000 Hz crossover 2,500 Hz 8 ohms maximum input 30 W output sound pressure level 97.7 dB diameter 206 x depth 83 mm 1.4 kg