NAD PP4 Digital Phono USB Preamplifier



With the addition of the PP 4 to your home system, the LPs you cherish the most come alive in the form of expansive and rich sound.


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Offering superb and measured sonic performance, NAD combines two simple solutions – the PP 4 Digital Phono and the USB Preamplifier – into one small device, making it easy to add phono to stereo amplifiers and AV receivers without a phono input. The PP 4 uses a shielded USB cable and recording level control, which reduces noise and improves the analogue-to-digital conversion process. As part of NAD’s commitment to the environment, the PP 4 features a more efficient “green” power supply that reduces power consumption. It also has an Auto Power Down feature that saves energy by shutting off when not in use.

Our PP 4 Digital Phono/USB Preamplifier enables you to digitise your treasured vinyl collections to a PC or Mac. It features inputs for both MM (moving magnet) and MC (moving coil) types for a wide variety of phono cartridges, and there is a line input to allow for the transfer of cassette tapes. The PP 4 also includes VinylStudio Lite Software for ripping LPs and burning audio CDs. The PP 4 Phono-to-USB Preamp offers a complete hardware and software solution with exceptional flexibility to record from LP or tape.

PP 4 VinylStudio Lite
The PP 4 (or the older PP 3) comes with Mac and PC compatible version of AlpineSoft’s VinylStudio Lite ripping software is included with your new PP-4. With VinylStudio Lite you can:

  • Rip LPs into WAV files
  • Split Tracks
  • Burn CDs
  • Record Disks
  • Look up Song Titles
  • Handle File Management

    To download your FREE copy of VinylStudio Lite for your PP4 please click on the links below:
    Vinyl Studio lite for Windows : Here
    Vinyl Studio lite MAC (OS X 10.6 and later): Here
    To upgrade to the fully featured version of VinylStudio, please visit AlpineSoft’s own website and purchase the most intuitive software available for ripping LPs and burning CDs. VinylStudio’s powerful audio cleanup tools (you can trial these in VinylStudio Lite) can be used to remove clicks and pops restoring your songs to like new condition.

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Input Impedance (R and C): 100 Ohm + 180pF
Gain at 1kHz: 58dB
Input sensitivity (ref. 200mV output): 0.38mV
Signal to noise (A weighted, with cartridge connected):78dB
Input overload (20Hz/1kHz/20kHz): 0.65/6.5/60mV
Rated Distortion (THD 20Hz – 20kHz): <0.03% RIAA response accuracy: ±0.3dB
Infrasonic filter: -14dB (5Hz)-3dB (10Hz)
Digital output (USB): 16 bit linear PCM
Sampling frequency: 48kHz
Dynamic range: 86dB

Input Impedance (R and C): 47 kilohm + 200pF
Gain at 1kHz: 35dB
Input sensitivity (ref. 200mV output): 5mV
Signal to noise (A weighted, with cartridge connected): 76dB
Input overload (20Hz/1kHz/20kHz): 10/100/900mV
Rated Distortion (THD 20Hz – 20kHz): <0.03% RIAA response accuracy: ±0.3dB
Infrasonic filter: -14dB (5Hz)-3dB (10Hz)
Digital output (USB): 16 bit linear PCM
Sampling Frequency: 48kHz
Dynamic range: 89dB
Record Level: 0dB to -6dB
Gross Dimensions excl. Power supply (W x H x D)*: 135 x 49 x 72mm
5 5/16 x 1 15/16 x 2 7/8″**
*Gross dimensions include feet, extended buttons and rear panel terminals.

**Non-metric measurements are approximate.

Input Impedance: 47 kilohm + 180pF
Rated Distortion (THD 20Hz – 20kHz):
<0.008% Signal to noise, A weighted: -115dB
Maximum Input Level: 5.3V

Output Impedance:100 Ohm
Maximum Output Level: 5.3V


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