Frequency Range ..... 90.000 - 29999.999 kHz Preset Frequencies .. 2182 kHz Power ............... 100/110/115/220/230/240 VAC 50/60 Hz   or 24 VDC 50 W. Antenna Impedance ... 50 ohm Selectivity (-6dB) .. 6.0 kHz 3.0 kHz 1.0 kHz 0.3 kHz 0.5 kHz [Optional] Sensitivity ......... 2µV SSB 1.6-30 MHz (10 dB S+N/N) Stability ........... ± 10 Hz IF Rejection ........ > 80 dB Image Rejection ..... > 70 dB Other Spurious ...... > 70 dB Standard Steps ...... 1 Hz, 10 Hz, 100 Hz, 1 kHz 5 kHz, 9 kHz, 10 kHz or 100 kHz. RF Attenuator ....... 20 dB BFO Range ........... ± 10 kHz Clarifier Range ..... ± 200 Hz Audio Output ........ 1 watt internal speaker 1 watt external speaker 8 ohm 10 mW or more headphone 600 ohm Line Output ......... ± 10 dB (600 ohm balanced) Circuit Type ........ Up Conversion Dual Superheterodyne Temperature ......... -10° to 50°C Dimensions .......... 19 x 7.5 x 12 inches (480x150x290 mm)   Weight .............. 24.5 lbs. net (11 kg)