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NAD PP 4

Digital phono preamplifier with USB output

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  • NAD PP 4

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  • NAD PP 4

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  • NAD PP 4

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Our take on the NAD PP 4

by Dave Bar
NAD

Turn your irreplaceable vinyl LPs into digital music you can enjoy anywhere

Missing the music in your record collection because your receiver lacks a phono input? Here's a way to get back in the groove. Add the NAD PP 4 Digital Phono/USB preamplifier to your system, and you can connect your turntable to any of your receiver's line-level inputs. And your options don't stop there. The PP 4's USB port lets you connect your turntable to a computer so you can convert LPs to digital files and transfer your record collection to recordable CDs using the included VinylStudio™ Lite software. A line level input also lets you burn audio CDs from other analog music sources, such as a cassette deck. And this preamp features a recording level control to help optimize the analog-to-digital conversion process.

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Highlights:

  • phono preamplifier with built-in analog-to-digital converter to convert vinyl to digital files
  • includes VinylStudio Lite software for converting LPs to CD (Windows and Mac compatible)
  • purchase of full version of VinylStudio software required for converting individual tracks to MP3 or AAC
  • compatible with moving magnet and moving coil phono cartridges
  • line-level input for connecting another analog audio source like a cassette deck
  • line-level audio output
  • USB port for connecting to a PC (includes USB cable)
  • outputs 16-bit/48kHz PCM digital audio
  • recording level control (0 dB to -6 dB)
  • external power supply for reduced noise and interference
  • signal-to-noise ratio: 76 dB (MM); 78 dB (MC); 115 dB (line level)
  • THD: less than 0.03% (MM & MC)
  • RIAA response accuracy ± 0.3 dB (20-20kHz)
  • 5-3/8"W x 1-7/8"H x 4-3/16"D
  • warranty: 2 years
  • Our 60-day money-back guarantee

Hands-on research from the Crutchfield Labs (what are the Labs?)

Product Research
What's in the box?

Download owner's manual

  • Digital phono preamplifier
  • AC adapter (w/ attached 6' DC cord)
  • 59" USB cable (USB type-A connector on one end and USB type-B connector on the other)
  • VinylStudio Lite CD ROM
  • Warranty information
  • Instructions/Specifications on box

Our Product Research Team

At Crutchfield, you'll get detailed, accurate information that's hard to find elsewhere. That's because we have our own in-house Product Research team — they open the box, verify contents, check the owner's manual, and record dimensions, features and specs. We stay on top of new products and technologies to help people make informed choices.

Features

Overview: NAD's PP-4 combines the award winning PP-2I MM/MC Phono Preamp with a high quality Analog-to-Digital converter and USB interface. Utilizing VinylStudio Lite PC Software, you can convert records and tapes to CD. The PP-4 also includes the same analog outputs as the PP-2I for connection to an analog stereo system.

Note: The included software, VinylStudio Lite PC, has very limited usage. In order to save tracks as MP3 or MP4/AAC files, you must upgrade to the VinylStudio full version for $29.95.

RIAA EQ: The PP-4 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 a hard drive. The built-in passive equalizer curve follows the RIAA standard within 0.3 dB, measured from 50 Hz to 20 kHz.

USB Port: Using the USB (type-B) port on the front-panel, the phono signal can be routed to your computer; with the included VinylStudio Lite software LPs are easily converted to CD (Macintosh version available on NAD's web site). The PP-4 has an analog to digital converter (A/D) that optimizes the gain for the best signal to noise ratio and lowest distortion. The USB output is 16-bit linear PCM signal sampled at 48 kHz.

MM/MC Compatible w/ Discrete RCA Inputs: The PP-4 accepts inputs from either moving magnet (MM) or moving coil (MC) cartridges. On the rear panel there are separate RCA inputs for MM and MC, and a switch to choose which you are using. 

Line Input: An additional stereo RCA line input allows you to send a standard source to the internal A/D converter and use the included software to record to your computer. A switch on the rear panel selects the phono or line input. The line input can also replace the input on your receiver taken by the PP-4. 

Line Output: A rear panel stereo RCA output is used for connecting the phono preamp to your home stereo receiver.

Ground: A post on the rear panel provides easy grounding for your turntable.

Volume Control: The PP4 front-panel volume control applies to both the MM and MC inputs and the Line In inputs; 0 to -6dB reduces the level via the USB output to the PC to prevent clipping.

External Power Supply: The NAD PP-4 operates off of standard household current (120V AC, 60Hz) using the supplied AC power adapter (23.5V DC, 60mA). The external power adapter is separate from the phono preamp to further improve sound quality.

 
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NAD PP 4 Reviews

Average Customer Review:

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5 out of 5

Great phono preamp

Written By leeponton, Chicago on Wednesday, July 16, 2014
Crutchfield Customer Review (What's this?)
 
This unit is exactly what you need to build a compact system to rip vinyl recordings to digital files. With a good turntable, the NAD PP4, and Vinyl Studio software on your MAC, you can build a digital library easily.
Pros:
Compact; well-built.
Cons:
None
2 out of 2 people found this helpful
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5 out of 5

Excellent

Written By Jordan, PA on Sunday, March 16, 2014
Crutchfield Customer Review (What's this?)
 
Excellent Extremely easy to use. High quality. I now listen to all my vinyl records with great pleasure.
Cons:
none
2 out of 4 people found this helpful
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5 out of 5

NAD PP4 Preamp

Written By Bob, Hudson, Florida on Thursday, January 16, 2014
Crutchfield Customer Review (What's this?)
 
I've used the MM preamp from my SL-1650 Technics turntable/Grado Prestige Red cartridge to an Onkyo Home Theater Receiver and an assortment of speakers and subs and the sound is crisp and clear with no component noises. The turntable is grounded to the preamp. Turn the preamp on with the on button and when input from the turntable stops it automatically turns off after 30 to 35 minutes. I haven't yet used the USB port or the Vinyl Studio Lite software.
Pros:
Simple to install, physically small and robust feeling. Audio output signal quality is all you could want
Cons:
Instruction sheet is bare-bones minimum. A little more would be nice, e.g. auto-turn-off description.
14 out of 15 people found this helpful
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