※1 bottle only. Overhauled by Western Sound Ink! The frame is a late model, but the diaphragm is an early diaphragm. Serial 27455: DC resistance 12.8 ohms
On the exterior, paint peeling and deterioration can be seen. (TAMURA Eiji)
Maintenance information: 2023.4.29 Maintained by Western Sound Ink (overhaul carried out. 27455: DC resistance 12.8 ohms initial type diaphragm)
Accessories: no accessories
Main specifications: field type driver tangential edge field power supply DC7.0V/1.5A