Conductivity has been confirmed, but since there is no field power supply, no sound output has been confirmed, and it is currently sold. Jensen's 30cm field type full range unit. Butterfly damper specification. There is no 6-pin plug on one side (Tetsuji Oikawa)
Maintenance Information: 2023.9.6 Confirmation only
Accessories: none
Main specifications: 30cm full range field type voice coil (120731 side 7.3 ω/220740 side 8.0 Ω) field coil (120731 side 4.9 Kω/220740 side 5.1 KΩ)