Nad Pp 3 Users Manual
Nad-Electronics-Pp-3-Users-Manual-475694 nad-electronics-pp-3-users-manual-475694
PP-3 to the manual a7c7831c-9ca0-45b3-859e-ede0b0bd8cf7
2015-02-05
: Nad Nad-Pp-3-Users-Manual-493127 nad-pp-3-users-manual-493127 nad pdf
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PP-3 Digital Phono Preamplifier Details LP to HD NAD’s PP-3 combines the award winning PP-2 MM/MC Phono Preamp with a high quality Analogue-toDigital converter with USB interface. Utilizing VinylStudio™ Lite PC Software (CD included) copy your LPs directly to a PC as either .wav or .mp3 files. Once your analogue LPs are digitized, the music can be burned onto CD-Rs or transferred to portable music players. The PP-3 also includes the same analog outputs as the PP-2 for connection to an analogue stereo system. TECHNICALLY SPEAKING The PP-3 phono preamp consists of a low noise discrete MC preamp followed by a low noise opamp-based RIAA MM stage incorporating a 12dB /octave infrasonic filter to attenuate turntable “rumble” noise. The output feeds the Line Output as well as the soft clipped input of an A/D converter with USB Output. This can be connected to any PC for recording from vinyl disc to PC hard drive. MC/MM PHONO STAGE The moving coil preamp is a 4 transistor low distortion amplifier noise-optimised for the very low source impedance of moving coil cartridges. It uses ultra-low intrinsic base resistance transistors and operates two of them in parallel push-pull for a further 3dB lowering of input noise. Its input noise is typically 60nV, or 78dB below 0.5mV (RIAA and A weighted). It has a gain of 15 times or 24dB bringing the lowest output MC cartridges up to MM level. The input impedance is 100 ohms in parallel with 180pF. The Moving magnet preamp section uses a low noise low distortion opamp with RIAA equalisation and infrasonic filter in the feedback network. The gain at 1k is 35.2dB, or 287mV out for 5mV in with 23dB overload margin and the frequency response is accurate within +/- 0.3dB 50Hz-20kHz, +/- 1dB 20-50Hz. The infrasonic filter has -3dB point at 10Hz and is 14dB down at 5Hz. The input noise with IHF cartridge source is 0.75uV or 76dB S/N re 5mV (RIAA and A weighted as per IHF202.) DIGITAL STAGE The output of the phono preamp is attenuated, further low pass filtered and fed to the input of the A/D converter. A Soft Clipping circuit is employed to prevent overdriving the A/D converter. The MM preamp has a 100dB dynamic range and the A/D converter 89dB allowing NAD to optimise the gain for best signal to noise and lowest distortion. The A/D converter has a sampling frequency of 48kHz for USB compatibility and a THD of only 0.01% at 100% FS. POWER SUPPLY By increasing the power supply voltage from 15 volts to 24 volts, we have improved overload margins and enhanced musical dynamics. This supply delivers raw DC to the PP-3. Internal circuitry has a precision low noise series current source /shunt regulator arrangement for low impedance and noise. The digital stage is fed by the 5V USB supply of the PC thus offering total isolation of the analogue and digital stages for clean low noise performance. SUMMARY This sophisticated and cost-effective component allows you to enjoy your vinyl LP collection through your normal stereo system, but also gives the option to record your LP’s into today’s digital formats. The additional Line Input allows any other analogue source, be it FM radio, Tape, or the analogue output of your CD player, to be converted to the digital USB format. This also ‘adds back’ the input on your Amp or Receiver used up by the PP-3. This extra functionality makes the PP-3 an easy upgrade from the PP-2, while maintaining the PP-2’s extraordinary performance and sound quality. LINE OUT LINE IN INPUT SELECTOR PHONO PHONO LINE IN SPECIFICATIONS Input impedance Gain at 1kHz MM MC 47kohms + 200pF 100ohms + 180pF 35dB 58dB Input sensitivity (1kHz for 300mV output) 5mV 0.35mV Signal to noise (A weighted, with cartridge connected) 76dB 78dB (Un-weighted, with cartridge connected) 65dB 70dB 10/100/900mV 0.65/6.5/60mV Input Overload (20Hz/1kHz/20kHz) Rated distortion (THD 20Hz - 20kHz at 3V) RIAA response accuracy Infrasonic filter <0.03% <0. 03% +/- 0.3dB +/- 0.3dB -3dB (10Hz) -3dB at 10Hz -14dB (5Hz) - 14dB at 5Hz Digital Output (USB) 16 bit linear PCM 16 bit linear PCM Sampling frequency 48kHz 48kHz Dynamic Range 89dB 86dB Net Dimensions (excl. Power supply) (W x H x D) 5 1/4 x 1 11/16 x 2 13/16” (146 x 43 x 71mm ) Gross Dimensions (excl. Power supply) (W x H x D) 5 1/4 x 1 15/16 x 3” (146 x 49 x 76mm ) Net Weight (includes power supply) 0.9lbs (0.4kg) Shipping Weight 1.7lbs (0.75kg) NAD Electronics International reserves the right to change specifications or features without notice. NAD is a registered trademark of NAD Electronics International. All rights reserved. No part of this publication may be reproduced, stored, or transmitted in any form whatsoever without the written permission of NAD Electronics International. © 07/08 NAD Electronics International. www.NADelectronics.com
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