PP 4 DIGITAL PHONO USB PREAMPLIFIER The NAD PP 4 Digital Phono/USB Preamplifier is designed to reveal the full musical texture of vinyl records. It delivers low-noise amplification for MM and MC cartridges alongside accurate RIAA equalisation, preserving clarity across a wide range of recordings. With its USB output, shielded cable, and adjustable recording level, the PP 4 makes it simple to transfer cherished LPs and tapes to a computer while maintaining clean, balanced sound. A dedicated line input and the included VinylStudio Lite software add useful tools for track splitting and file organisation, helping you enjoy and preserve your music collection with ease. KEY FEATURES Supports both MM and MC cartridges for flexible turntable compatibility Low-noise signal path with accurate RIAA equalisation USB output for clean analogue-to-digital transfers to PC or Mac VinylStudio Lite software (PC and Mac) included for track splitting and file organisation Adjustable recording level control for optimised digital capture Shielded USB cable included to reduce noise during conversion Line input for digitising cassette tapes and other analogue sources Energy-efficient “green” power supply with reduced power consumption Auto Power Down feature for convenient, low-energy operation Compact design for easy placement in modern hi-fi systems 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 10.11 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. Visit: www.alpinesoft.co.uk/ for complete information PRODUCT STORY Balanced Playback for a Wide Range of Cartridges The PP 4 offers carefully managed gain for both moving-magnet and moving-coil cartridges, maintaining a stable platform for vinyl listening. Its precise RIAA equalisation supports a natural tonal balance, allowing recordings to retain their original character. An infrasonic filter also helps limit unwanted low-frequency movement, keeping playback smooth and composed. Simplified Path for Vinyland Tape Conversion A dedicated USB output provides a direct link to a computer for creating digital files from vinyl or cassette sources. Adjustable input level control helps match the dynamics of different albums and tapes, supporting consistent results when archiving analogue material. A versatile line input broadens compatibility with legacy devices, such as cassette decks, enabling a wider range of recordings to be preserved. Software Tools for ManagingYour Digital Library VinylStudio Lite software is included to streamline the digital workflow once recordings reach a computer. Users can organise tracks, apply file names, and arrange albums into a structured library that reflects their listening habits. Combined with the PP 4’s efficient power design and automatic standby mode, these features help create an easy, reliable process for curating a digital music collection. SPECIFICATIONS 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) 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)
