PP4 RIAA levysoitin esivahvistin


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Laadukas MM/MC RIAA levysoitin esivahvistin USB liitännällä tasonsäädöin, myös linjatulo.

Digitize your vinyl collection


Show your vinyl collection some serious love. 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 combine to reduce noise and improve 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 low noise 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 comes with a new Mac compatible version of AlpineSoft’s VinylStudio Lite ripping software, in addition to the PC version. VinylStudio Lite is the most intuitive software available for ripping LPs and burning audio CDs. It automatically adds track numbers, looks up song titles (metadata) online, and offers other options for file management. Users can also opt to automatically add tracks to their iTunes Music Library. Visit the AlpineSoft website for the latest software information or to upgrade to the full version (required to save tracks as MP3 or MP4/AAC files).


PC Download Vinyl Studio here: PP 4 Vinyl studio for Windows here.

MAC Download Vinyl Studio (OS X 10.6 and later): PP-3 Vinyl studio for Macintosh (OS X 10.6 and later) here.

MAC Download Vinyl Studio for OS 10.4 and 10.5: PP-3 Vinyl studio for Tiger and Leopard users here.


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


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

Gross Dimensions excl. Power supply (W x H x D)    135 x 49 x 72mm


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