This is a popular Altec green woofer. You can listen to the light low frequencies with high response unique to 416A. As for the exterior, there are viscoid drips on the cone paper and there are dust and some deformation on the edges. (YONEJIMA Satoshi)
Maintenance information: 2026.5.19 sweep test is good
Accessories: No accessories
Main specifications: 38cm Alnico, 16 ohms, playback frequency band, 20 to 1600 Hz, rated input, 25 W, 6.6 kg/1