VLF · LF · MF · HF

Bands

1991

Introduced

Frequency	RX: 0.1–30 MHz
Power	RECEIVE ONLY. Premium communications receiver.
Modes	USB, LSB, CW, RTTY, AM, FM
Weight	9 kg (19.8 lb) - 9 kg (19.84 lbs) per specs. Dimensions: 330×130×287 mm.
Connector	SO-239 (50Ω) + spring terminals (600Ω, for long-wire antennas!)
Year	1991

Connectors

antenna 50	SO-239 (50 ohm)
antenna 600	spring terminals (600 ohm, for long-wire antennas)
ext spkr	external speaker jack
rec out	recorder output (for timer-activated recording)
mute	mute connection (for transceiver pairing)
rs232	RS-232C (computer control)
ac in	IEC C14 (100/120/220/240 VAC selectable)
dc in	2-pin DC (12-16 VDC)
power req	Universal mains 100/120/220/240 VAC (selectable) OR 12-16 VDC. <35 VA mains, <1.9A DC.

Japan Radio Company's premium communications receiver, WRTH 1991 Best Receiver award RECEIVE ONLY. No transmit WRTH 1991 Best Communications Receiver award (NRD-535) NRD-535D 'Deluxe' adds three factory options: CFL-243 VBWC + CMF-78 ECSS + CFL-233 1 kHz filter ECSS (Exalted Carrier Selectable Sideband): locks in ~2 seconds, stays locked to 3 dB above noise floor Variable Bandwidth Control (VBWC): adjust 2/4 kHz filters in 10 Hz steps without moving center frequency (535D; after S/N 56005 also works on SSB!) triple conversion superheterodyne: 70.455 MHz / 455 kHz / 97 kHz four-FET parallel front-end preamplifier (+20 dBm IP3 at preamp stage) 6 tunable varicap bandpass preselector filters (0.1-0.4/0.4-1.6/1.6-4.4/4.4-12.3/12.3-20.5/20.5-30 MHz) standard IF filters: 2 kHz + 6 kHz + 12 kHz (NRD-535D adds 1 kHz narrow) Pass Band Shift (PBS): ±1 kHz adjustment IF notch filter: -40 dB attenuation dual-width noise blanker (adjustable intervention level) 200 memory channels (non-volatile RAM with CR2032 lithium battery backup) 1 Hz tuning steps via high-speed PLL synthesizer RS-232C computer control clock/timer with recorder output for unattended recording selectable AGC + squelch + RF gain + audio tone control + dimmer dual antenna inputs: SO-239 (50Ω) + 600Ω spring terminals (for long-wire antennas!) universal mains: 100/120/220/240 VAC selectable + 12-16 VDC operation ±2.5 ppm stability after 50-min warmup (±0.5 ppm optional) VINTAGE. DISCONTINUED. Replaced by NRD-545.

Strengths

A WRTH 1991 Best Receiver. The 535D adds ECSS synchronous AM with selectable sideband and VBWC that adjusts filters in 10 Hz steps. It has a four-FET preamp (+20 dBm), six varicap preselectors, dual antenna inputs (50 ohm + 600 ohm), universal AC+DC power, RS-232C, a timer/recorder, and 200 memories. Owners are known to hold onto them.

Weaknesses

Receive only. Dynamic range is 88 dB SSB (good, not great; the older NRD-525 measured ~92 dB). ECSS audio distortion rises to ~5% when sync is engaged. The non-D NRD-535 lacks ECSS, VBWC, and the 1 kHz filter. No DSP. No spectrum scope. 9 kg. Replaced by the NRD-545.

Verdict

A premium DXer's communications receiver. The NRD-535D earned its WRTH 1991 award with ECSS synchronous AM, variable bandwidth control, and a front end built around four parallel FETs and six varicap preselectors. The VBWC that adjusts filter bandwidth in 10 Hz steps was unique for its era, and the dual 50-ohm/600-ohm antenna inputs accommodate coax-fed beams and random long wires alike. Owners tend to keep their 535Ds.

The JRC NRD-535 is a flagship HF communications receiver from Japan Radio Company, a receive-only tabletop set that became a benchmark among serious shortwave listeners and utility DXers. It covers 100 kHz to 30 MHz in all modes (SSB, CW, RTTY, AM, FM) using a triple-conversion analog design, and is built to the rugged, professional standard that made JRC's commercial and marine receivers respected worldwide.

The receiver is known for clean, quiet performance and excellent build quality, with a satisfying mechanical feel and a no-nonsense operating layout. The uprated NRD-535D 'Deluxe' version added continuously variable bandwidth control and an enhanced single-sideband (ECSS) capability for steadier AM reception, and a thriving ecosystem of aftermarket modifications grew up around the platform. Production continued into 1998, and clean examples remain prized.

It is a discontinued classic. See its DSP successor the NRD-545 and the Icom IC-R75.

Japan Radio Company NRD-535 / NRD-535D