| GENERAL | 
| Type: | HF/VHF receiver | 
| Frequency range: | 0.1-34 MHz | 
| Tuning steps: | ? KHz | 
| Frequency stability: | 50 Hz per hour after warmup | 
| Mode: | AM / SSB / CW / RTTY | 
| Channels / memory management: | 24 or 96 optional | 
| Power supply: | Mains: 100 / 117 / 220 / 240 VAC | 
| Current drain / power consumption: | Less than 50 W | 
| Antenna impedance / connector: | 50 ohm / SO-239 | 
| Dimensions (W*H*D): | 340*140*300 mm (13.4*5.5*11.8") | 
| Weight: | 7.71 Kg (17 lb) | 
| Other features: | PBT. NB. Attenuator (10/20 dB). | 
| 
 | 
 | 
| 
 | 
 | 
| RECEIVER SECTION | 
| Receiver system: | Double conversion superheterodyne 1st IF: 70.455 MHz
 2nd IF: 455 KHz
 | 
| Sensitivity: | 1.6-30 MHz: 0.5 uV (No reference) | 
| Squelch sensitivity: |  | 
| Noise figure: |  | 
| Selectivity: | 6 and 2.4 KHz (-6 dB) | 
| Image rejection: | 70 dB | 
| AF output power / speaker: | 1 W at ?% distortion / No internal speaker | 
| External speaker connector: | ?, 4 ohm | 
| 
 | 
 | 
| 
 | 
 | 
| MISCELLANEOUS | 
| Manufactured: | Japan, 1979-1986 (Discontinued) | 
| Additional info: | See also the companion transmitters: NSD-515D (100 W) & NSD-515S (10 W) | 
| Related documents: |  | 
| Modifications and fixes: |  | 
| Reviews: | Popular Communications: September 1984, page 66 | 
| Options / Accessories: | 
| CFL-230 CFL-260
 NCM-515
 NDH-515
 NDH-518
 NVA-515
 | CW narrow filter: 300 Hz (-6 dB) CW narrow filter: 600 Hz (-6 dB)
 Keypad
 Memory unit, 24 channels
 Memory unit, 96 channels
 Matching speaker
 |  |