| Type: | Amateur HF linear amplifier | 
| Frequency range / band(s): | General market 1.8-30 MHz
 USA
 1.8-22 MHz
 | 
| Output power: | SSB/CW/RTTY: 550 W DC (50% duty cycle) | 
| Drive power: | 50 - 80 W typical for 550 W output | 
| Power supply: | 12.5 - 14 VDC | 
| Current drain / power consumption: | Max 100 A | 
| Impedance / connectors: | 50 ohm / Two SO-239 | 
| Dimensions (W*H*D): | 305*133*368 mm (12*5.24*14.5") | 
| Weight: | 6.8 Kg (15 lb) | 
| Manufactured: | USA, 19xx-xxxx (Discontinued) | 
| Other: | Full QSK. | 
| Related documents: | Eight MRF458, SD1405 or equivalent RF power transistors | 
| Modifications and fixes: |  | 
| Reviews: |  | 
| Options / Accessories: |  |