FL-50 is an HF ham band SSB transmitter suitable for the transceive operation with the matched receiver model FR-50. Both were released in 1966 by Yaesu Musen Co. A high frequency crystal filter is installed to generate SSB signal at 5172.4 kHz.
| Frequency Range | 3.5 MHz - 28 MHz | |
| Mode | CW, AM and SSB | |
| Single Conversion |
3.5 MHz (8,672.4 - 5,172.4 kHz) 7.0 MHz (12,172.4 - 5,172.4 kHz) 14.0 MHz (8,827.6 + 5,172.4 kHz) 21.0 MHz (15,827..6 + 5,172.4 kHz) 28.0 MHz (22,827.6 + 5,172.4 kHz) |
Variable Crystal Oscillation or External Oscillation |
| SSB Generation | crystal filter at 5,172.4 kHz | |
| Career Suppression | - 40 dB | |
| Input Power | 24 W/250 V | PA 6JS6A |
| Output Impedance | 50 - 120 Ohm/Pi match network | |
| Power Requirements | A.C. 100/115 V for 50/60 cps, 100 VA | |
| Tube Complement | 8 | |
| Size | 334 x 153 x 262 (in mm W x H x D) | |
| Weight | 10 kg |
(after an operating manual by Yaesu Musen Co.)