| Name | Speaker |
| Model No. | GROSLEY DYNACONE TYPE P |
| Country | U.S.A. |
| Year | Manufactured in 1927 |
| Manufacturer | Manufactured by Grosley |
| Notes | Drive Cone Type |
The Taizo Arakawa Collection
GROSLEY DYNACONE TYPE P
| Name | Speaker |
| Model No. | GROSLEY DYNACONE TYPE P |
| Country | U.S.A. |
| Year | Manufactured in 1927 |
| Manufacturer | Manufactured by Grosley |
| Notes | Drive Cone Type |
The Taizo Arakawa Collection