| GENERAL |
| Type: | Amateur HF transceiver |
| Frequency range: |
10-80 m in eight bands
3.5-4.0 MHz (80 m)
7.0-7.5 MHz (40 m)
14.0-14.5 MHz (20 m)
21.0-21.5 MHz (15 m)
28.0-28.5 MHz (10 m A)
28.5-29.0 MHz (10 m B)
29.0-29.5 MHz (10 m C)
29.5-30.0 MHz (10 m D)
Plus two optional AUX bands
Also 10.0-10.5 MHz JJY/WWV (RX only)
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| Tuning steps: | Analog / continuous |
| Frequency stability: | 100 Hz for any 30 minute period after warmup |
| Mode: | SSB / CW |
| Channels / memory management: |
None
|
| Repeater shift / offset: | No |
| Power supply: | Mains: 117 / 220 VAC |
| Current drain / power consumption: | RX: ? VA
TX: Max ? VA |
| Antenna impedance / connector: | 50-100 ohm / SO-239 |
| Dimensions (W*H*D): | 400*159*349 mm (15.75*6.25*13.75") |
| Weight: | 18.1 Kg (40 lb) |
| Other features: | NB. VOX. 25/100 KHz calibrator. |
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| RECEIVER SECTION |
| Receiver system: |
Double conversion superheterodyne
1st IF: 5.52-6.02 MHz
2nd IF: 3.18 MHz
|
| Sensitivity: | 0.5 uV (20 dB S/N @ 14 MHz) |
| Selectivity: |
SSB/CW:
2.4 KHz (-6 dB)
4.2 KHz (-60 dB)
CW narrow (With optional filter)
600 Hz (-6 dB)
1.2 KHz (-60 dB)
|
| Image rejection: | |
| AF output power / speaker: | 1 W at ?% distortion / 8 ohm |
| External speaker connector: | 8 ohm |
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| TRANSMITTER SECTION |
| RF output power: |
| Max pwr |
|---|
| SSB (PEP): | ~250 W (560 W input) |
| CW: | ~200 W (430-500 W input) |
|
| Modulation system: | |
| Max FM deviation (Factory set): | No FM |
| Spurious emissions: | Better than -40 dB |
| Microphone impedance / connector: | ? ohm / 3-pin (1/4" jack) |
| Microphone input level: | ? mV |
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| MISCELLANEOUS |
| Manufactured: | Japan, 1972-197x (Discontinued) |
| Additional info: |
Built-in speaker and cooling fan
New price, march 1972 in the US: $549.95
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| Related documents: | |
| Modifications and fixes: | |
| Reviews: | CQ: September 1972, page 39 |
| Options / Accessories: |
|
XF31C
|
CW narrow filter. 600 Hz
|
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