50-F
| Brand | Fisher |
| Manufacturer | Fisher Radio Corp. |
| Function | Amplifier, Phono (Variable Filter) |
| Produced | 1954 |
| Country | United States |
| Model ID | Hi-Lo Filter System |
| Signal Path | Analog Hardware |
| Frequency Response | 20Hz-20kHz ±0.5dB |
| MSRP (1954) | $29.95 |
| Brand | Fisher |
| Manufacturer | Fisher Radio Corp. |
| Function | Amplifier, Phono (Variable Filter) |
| Produced | 1954 |
| Country | United States |
| Model ID | Hi-Lo Filter System |
| Signal Path | Analog Hardware |
| Frequency Response | 20Hz-20kHz ±0.5dB |
| MSRP (1954) | $29.95 |