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Naim Superline Phonostage

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Vinyl replay makes a huge contribution to the enjoyment of recorded music. At its best, vinyl has a uniquely engaging and musical quality, and with the SuperLine phono stage, the best of vinyl just gets better. The SuperLine is a high-performance moving-coil phono stage built in the Naim Audio aluminum reference enclosure with an anodized front panel. It brings all Naim Audio's latest analog electronic design and environmental isolation techniques to bear on the most delicate analog element of any hi-fi system - the moving-coil phono signal. The SuperLine requires an external power supply - either the power supply output of an appropriate Naim Audio preamplifier or the SUPERNAIT and NAIT XS integrated amplifiers, or, for optimum performance, a dedicated FlatCap XS, HiCap or SuperCap. SuperLine brings out all that's best in vinyl replay - timing, pitch accuracy, clarity, detail, and the unmistakable naturalness that records can deliver in abundance.  


  • RCA and BNC inputs.
  • Moving coil only, with cartridge impedance matching adjustment (20 different load combinations possible).
  • Suspension system for delicate electronics as used in 500 Series.
  • 24V supply voltage from NaimUniti 2, NAIT XS 2, SUPERNAIT 2, Naim Audio preamplifier (except NAC-N 172 XS), FlatCap XS, HiCap or SuperCap required.
  • Bead-blasted, black anodized front panel.

Technology & Craft

The heart of the SuperLine is a new, two-stage single-ended Class A discrete amplifier with part-passive RIAA filtering that runs off 25 internally regulated power supplies and features the transistor "quiet room" thermal isolation technique originally developed for the NAP 500 power amplifier. Environmental isolation is also ensured by the SuperLine's massive sub-chassis and high-Q spring suspension system - used here for the first time on a phono amplifier. Duplicate phono and BNC sockets provide input versatility, and cartridge impedance matching adjustment is provided by four resistive and three capacitive load plugs. In combination with the SuperLine's internal input load, twenty different standard load combinations are possible The SuperLine is also available in a lower gain model, SuperLine E. The SuperLine E is identical to the standard SuperLine except that is has been designed for use with cartridges that have a higher output voltage than most popular moving coils: for example high output moving coils.  


Audio Inputs Analog Input: BNC, RCA Input Sensitivity: 100μV - 500μV, SuperLine E: 200μV - 1mV Other Inputs: 2 x 5-pin DIN for loading plugs Audio Outputs Gain: 64dB at 1kHz, SuperLine E: 58dB at 1kHz Frequency Response: 10Hz to >200kHz -3dB THD + N: <0.005% (500μV at 1kHz) Signal-to-Noise Ratio: 82dB ref 500μV input, 0μ(A-weighted), SuperLine E: 78dB ref 500μV input, 0μ (A-weighted) Crosstalk: >80dB (20Hz - 20kHz) Phono Specific RIAA Accuracy: ±0.1dB (20Hz - 20kHz) High Pass Filter: 10Hz Input Overload: 5mV rms (1kHz), SuperLine E: 10mV RMS (1kHz) Input Load Options: 10kΩ, 1k, 500Ω, 220Ω, 100Ω, 100pF, 1nF, 5.6nF, 10nF Power Supply Voltage: 24V Power Supply Options: NaimUniti, NAIT XS, SuperNait, 152XS, 202, 282, 252, 552, FlatCap XS, HiCap, SuperCap Physical Dimensions (HxWxD): 87 x 207 x 314 mm Weight: 7.7 kg Shipping Dimensions: 210 x 280 x 410 mm Shipping Weight: 9 kg Supplied with: Load Plug Finish Front: Bead blasted and black aanodized Case: Black powder coated