| GENERAL | 
| Type: | HF receiver | 
| Frequency range: | 0.01-30 MHz | 
| Tuning steps: | Continuous | 
| Frequency stability: | ? ppm | 
| Mode: | AM / SSB / CW / RTTY | 
| Channels / memory management: | ? regular | 
| Power supply: | Mains: 100 / 120 / 200 / 240 VAC (Fixed power cord) or 11-16 VDC (2-pin connector)
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| Current drain / power consumption: | Max 3 A @ 13.8 VDC | 
| Antenna impedance / connector: | 50 ohm / Phono (RCA) | 
| Dimensions (W*H*D): | 346*115*330 mm (13.6*4.6*13") | 
| Weight: | 8.34 Kg (18.4 lb) | 
| Other features: | RIT. PBT. | 
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| RECEIVER SECTION | 
| Receiver system: | Triple conversion superheterodyne 1st IF: 48.05 MHz
 2nd IF: 5.645 MHz
 3rd IF: 50 KHz
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| Sensitivity: |  | 
| Selectivity: |  | 
| Image rejection: |  | 
| AF output power / speaker: | 2.5 W at 10% distortion / 4 ohm | 
| External speaker connector: | 6.3 mm (1/4") | 
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| MISCELLANEOUS | 
| Manufactured: | USA, 1977-1981 (Discontinued) | 
| Additional info: |  | 
| Related documents: | Service manual (8.4 MB) | 
| Modifications and fixes: |  | 
| Reviews: |  | 
| Options / Accessories: | 
| AUX-7 MS-7
 NB-7A
 RP-700
 RV-75
 SL-300
 SL-500
 SL-1800
 SL-4000
 SL-6000
 1544
 | Auxiliary band board External speaker
 Noise blanker
 Receiver protector
 Remote synthesized VFO
 CW filter, 300 Hz
 CW filter, 500 Hz
 SSB filter, 1.8 KHz
 AM filter, 4 KHz
 AM filter, 6 KHz
 RV-75 to R-7/R-7A interface adapter
 
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