Make
Browning-Drake
Model
Model 523
Year
1963
Serial #
230448
Channels
23
Accessories
MS-12 - 12-Volt Power Supply
MS-6 - 6-Volt Power Supply
AC-115 - 115-VAC Power Supply
Tube Complement
| v1 | 6BS8 | |
| v2 | 12AT7 | |
| v3 | 12AT7 | |
| v4 | 6BA6 | |
| v5 | 6BA6 | |
| v6 | 12AX7 | |
| v7 | 12AX7 | |
| v8 | 6BQ5 | |
| v9 | 6EA8 | |
| v10 | 5763 |
Browning Drake 523 with matching speaker and power supply – photo courtesy of Paul SWL#45