Nakamichi 630 FM Tuner Pre Amplifier

Discover the Nakamichi 630 at Len Wallis Audio in Lane Cove.

Legendary 600-series FM tuner and control preamplifier combining exceptional broadcast reception with high-fidelity analogue amplification and versatile inputs.

Key Features

• Integrated FM Tuner & Preamp: Combines precise radio tuning with a flexible control amplifier in one elegant unit.

• Selectable Phono Sensitivity: Adjustable 1 mV, 2 mV, or 5 mV for MM cartridges with excellent overload margin.

• Ultra-Low Distortion: THD ≤0.003% (phono) and ≤0.004% (line) for transparent, uncoloured signal path.

• High SNR Performance: Up to 102 dB on line inputs and 80 dB on phono for silent backgrounds and detail.

• Advanced FM Selectivity: Narrow mode ≥80 dB and Dolby NR for clean, interference-free stereo reception.

The Nakamichi 630 is a revered high-end FM tuner preamplifier from the golden era of analogue audio, celebrated for its superb broadcast quality and refined preamp section.

This pre-owned unit is in great condition for its age (circa 1977–1979), complete with all accessories, manuals, and original packaging, finished in classic black.

With outstanding signal-to-noise ratio, precise RIAA equalisation, and advanced FM circuitry including Dolby NR, the 630 tuner preamplifier delivers effortless radio listening and pure analogue amplification—preserving every nuance from vinyl or broadcast sources.

Visit our Lane Cove showroom and experience the timeless elegance of the Nakamichi 630.

Technical Specifications

• Product Type: Pre-owned

• Type: FM tuner control amplifier (preamplifier with built-in FM tuner)

• Phono Input Sensitivity/Impedance: 1 mV, 2 mV, or 5 mV / 100 kΩ (selectable)

• Line Input Sensitivity/Impedance: 100 mV / 50 kΩ (Aux, Tape mon 1/2)

• Phono Maximum Input Level: 250 mV (1 kHz, at 5 mV setting)

• Pre-out Output Level/Impedance: 1 V / 500 Ω (load 10 kΩ)

• Maximum Pre-out Output: 5 V / 50 kΩ

• Headphone Output: 40 mV / 4.5 Ω (load 8 Ω), max 300 mW / 8 Ω

• Frequency Response (Phono RIAA): 30 Hz – 15 kHz ±0.3 dB

• Frequency Response (Line): 20 Hz – 50 kHz +0 / –1.5 dB

• Signal-to-Noise Ratio (Phono): 80 dB or better (IHF-A)

• Signal-to-Noise Ratio (Line): 102 dB or better (IHF-A)

• THD (Phono): ≤0.003% (≤10 kHz, output 2 V)

• THD (Line): ≤0.004% (≤10 kHz, output 2 V)

• FM Receiving Frequency: 76 MHz – 90 MHz

• FM Practical Sensitivity: 3 μV (12.5 dBf, 300 Ω)

• FM Stereo Separation (Normal): ≥50 dB (1 kHz), ≥35 dB (10 kHz)

• FM Effective Selectivity (Narrow): ≥80 dB

• Dimensions (W×H×D): 400 × 170 × 237 mm

• Weight: Approx. 7 kg

• Finish: Black

• Condition: Great for age (circa 1977–1979), includes all accessories, manuals, and original packaging

WARRANTY INFORMATION (Commercial Seller)

The item represented is being sold by a Commercial Member. This means they have certain legal requirements when selling new and second-hand goods, and must provide a statuatory warranty under Consumer Law applicable to their location. These requirements may differ depending on their region, so discuss these entitlements with the Seller prior to purchase.