Tubes / semiconductors by category - Manufacturer
Selected: Music Master Corp. (pre 1927); Philadelphia
| Name | Maker | Year | User | Usage | Type | Base |  |
 |
 |
 |
 |
 |
 |
 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| A_MusicMaster | Music Mast | Radio/TV-r | Audio Fre | Triode, | UX-Base | 1 | 5 | – | – | – | – | – | ||
| 201A | Common typ | 1925 | Radio/TV-r | Universal | Triode, | UX-Base | 2 | 85 | 2 | – | 10 | 2 | 96 | |
2 tubes or semiconductors found.