| GENERAL |
| Type: | HF receiver |
| Frequency range: | 0.1-30 MHz |
| Tuning steps: | 10 / 100 Hz, 1 KHz |
| Frequency stability: | Less than 50 Hz after 1 hr warmup @ stable surrounding temperature
Less than 500 Hz after 1 hr warmup @ -10 to +60°C (14 to 140°F) |
| Mode: | AM / SSB / CW / RTTY (FM option) |
| Channels/memory management: | No |
| Power supply: | Mains: 100/117/200/220/235 VAC ±10% (3-pin IEC C14 connector)
or 12-14 VDC with CK-70 option |
| Current drain/power consumption: | Max 30 VA |
| Antenna impedance/connector: | 50 ohm / SO-239
Hi-Z / RCA/Phono (0.1-1.6 MHz) |
| Dimensions (W*H*D): | 286*111*276 mm (11.25*4.37*10.87") |
| Weight: | 7.4 Kg (16.31 lb) |
| Other features: |
NB. Passband tuning. Notch filter. Dimmer. RIT. Tone control.
1st IF output jack. Converter input jack. Attenuator.
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| RECEIVER SECTION |
| Receiver system: |
Quadruple conversion superheterodyne (AM/SSB/CW/RTTY)
1st IF: 70.45 MHz
2nd IF: 9.01 MHz
3rd IF: 455 KHz
4th IF: 9.01 MHz
Triple conversion superheterodyne (FM)
1st IF: 70.45 MHz
2nd IF: 9.01 MHz
3rd IF: 455 KHz
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| Sensitivity: |
AM (10 dB S+N/N)
0.1-1.6 MHz: 3 uV
1.6-30 MHz: 0.5 uV
FM (12 dB SINAD), with FM option
1.6-30 MHz: 0.3 uV
SSB/CW/RTTY (10 dB S+N/N)
0.1-1.6 MHz: 1 uV
1.6-30 MHz: 0.15 uV
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| Selectivity: |
AM: 6 KHz (-6 dB), 18 KHz (-60 dB)
FM: 15 KHz (-6 dB), 25 KHz (-60 dB), with FM option
SSB/CW/RTTY: 2.3 KHz (-6 dB), 4.2 KHz (-60 dB)
CW-N/RTTY-N: 500 Hz (-6 dB), 1.5 KHz (-60 dB)
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| Image rejection: | |
| AF output power/speaker: | 2 W at ?% distortion / 8 ohm |
| External speaker connector: | 3.5 mm, 8 ohm |
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| MISCELLANEOUS |
| Manufactured: | Japan, 1982-1983 (Discontinued) |
| Additional info: | |
| Related documents: |
User manual (2.5 MB)
Service manual (7.8 MB)
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| Modifications and fixes: | |
| Reviews: | |
| Options/Accessories: |
CK-70
EX-257
FL-44
FL-63
SP-3
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DC option. 12-14 VDC
FM unit
SSB filter, 2.4 KHz. IF: 455 KHz
CW narrow filter, 250 Hz. IF: 455 KHz
External speaker
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