NAD PP4 Digital Phono USB Preamplifier

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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. 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.

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Digitise your vinyl collection
Offering superb measured and sonic performance, NAD’s two simple solutions, the PP 4 Digital Phono/USB Preamplifier makes it easy to add phono to many of today’s stereo amplifiers and AV receivers that have either eliminated the phono input or included a low quality circuit for attaching your turntable. As part of NAD’s commitment to the environment, the PP 4 features a more efficient “green” power supply that reduces power consumption. The PP 4 goes one step further with a USB interface, shielded USB cable and recording level control which reduces noise and improves the analogue-to-digital conversion process. The PP 4’s Auto Power Down feature saves energy by automatically powering the PP 4 to 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.

MC
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
MM
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.
Line In
Input Impedance
47 kilohm + 180pF
Rated Distortion (THD 20Hz – 20kHz)
<0.008%
Signal to noise, A weighted
-115dB
Maximum Input Level
5.3V
Line Out
Output Impedance
100 Ohm
Maximum Output Level
5.3V

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