| GENERAL | 
| Type: | Amateur HF transceiver | 
| Frequency range: | 10-160 m i 9 bands 1.8-2.0 MHz
 3.5-4.0 MHz
 7.0-7.5 MHz
 14.0-14.5 MHz
 21.0-21.5 MHz
 28.0-28.5 MHz
 28.5-29.0 MHz
 29.0-29.5 MHz
 29.5-29.9 MHz
 Also 5.0-5.5 or 15.0-15.5 MHz WWV/JJY (RX only)
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| Tuning steps: | Analog / continuous | 
| Frequency stability: | Less than 300 Hz after 10 minute warmup Less than 100 Hz after 30 minute warmup
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| Mode: | AM / SSB / CW / FSK (FM option) | 
| Channels / memory management: | Optional | 
| Repeater shift / offset: | No dedicated. Use VFO A/B split (With FV-901) or memory split (Optional) | 
| Power supply: | Mains: 100 / 110 / 117 / 200 / 220 / 234 VAC (13.5 V DC-DC converter option) | 
| Current drain / power consumption: | RX: 45 W (Heater off) @ 117 VAC RX: 1.1 A (Heater off) @ 13.5 VDC (With DC-DC converter option)
 TX: Max 320 W @ 117 VAC
 TX: Max 21 A @ 13.5 VDC (With DC-DC converter option)
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| Antenna impedance / connector: | 50-75 ohm / SO-239 | 
| Dimensions (W*H*D): | 342*154*324 mm (13.46*6.06*12.76") | 
| Weight: | 18 Kg (39.7 lb) | 
| Other features: | NB. 25 KHz calibrator. VOX. 8.9 MHz IF output. | 
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| RECEIVER SECTION | 
| Receiver system: | ? conversion superheterodyne | 
| Sensitivity: | AM: 1 uV (10 dB S/N) FM: 0.3 uV (20 dB quieting), with optional FM unit
 SSB/CW/FSK: 0.25 uV (10 dB S/N)
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| Selectivity: | Width control set to "0" 
 AM (With optional AM filter)
 6 KHz (-6 dB)
 12 KHz (-60 dB)
 FM (With optional FM unit)
 12 KHz (-6 dB)
 24 KHz (-60 dB)
 SSB
 2.4 KHz (-6 dB)
 4 KHz (-60 dB)
 CW (With optional CW filter)
 600 Hz (-6 dB)
 1.2 KHz (-60 dB)
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| Image rejection: | 1.8-21 MHz: 60 dB 28 MHz: 50 dB
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| AF output power / speaker: | 3 W at 10% distortion / ? ohm | 
| External speaker connector: | 4-16 ohm | 
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| TRANSMITTER SECTION | 
| RF output power: | 
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 | Max pwr | 
|---|
 | AM: | ~3 W |  | FM: | ~10 W |  | SSB (PEP): | ~10 W |  | CW: | ~10 W |  | FSK: | ~10 W |  | 
| Modulation system: | AM: Low power stage FM: Variable reactance (With optional FM unit)
 SSB: Balanced
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| Max FM deviation (Factory set): | ±5 KHz (With optional FM unit) | 
| Spurious emissions: | Better than -40 dB | 
| Microphone impedance / connector: | 500-600 ohm / 4-pin (Metal locking ring connector) | 
| Microphone input level: | ? mV | 
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| MISCELLANEOUS | 
| Manufactured: | Japan, 1978-1980 (Discontinued) | 
| Additional info: | Tube hybrid | 
| Related documents: | User manual (5.6 MB) 
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| Modifications and fixes: |  | 
| Reviews: |  | 
| Options / Accessories: | 
| DC-901 FC-901
 FF-501DX
 FTV-901R
 FV-901DM
 PB-1707B
 PB-1728
 PB-1728A
 PB-1787C
 SP-901
 SP-901P
 XF-8.9HC
 XF-90B
 XF-90C
 YD-148
 YD-844A
 YO-901
 YK-901
 YR-901
 YVM-1
 | 13.5 V DC-DC converter Antenna tuner, 10-160 m, 500 W
 Low pass filter
 VHF/UHF Oscar transverter
 External synthesized VFO with 40 memories
 FM unit
 Curtis 8043 keyer unit
 Curtis 8044 keyer unit
 Memory unit
 External speaker
 External speaker with phone patch
 CW filter, 600 Hz
 AM filter, 6 KHz
 CW filter, 600 Hz
 Desk microphone, 500 ohm/50 Kohm switchable
 Desk microphone, 500 ohm/50 Kohm switchable
 Station monitor scope
 ASCII keyboard for YR-901
 CW/RTTY reader
 Video monitor for YR-901
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