|
NAD PP-3 USB Phono Stage
LP to HD
NAD’s PP-3 combines the
award winning PP-2 MM/MC Phono Preamp with a high quality Analog-to-Digital
converter with USB interface. Utilizing VinylStudio™ Lite PC Software
can convert records and tapes to CD. The PP-3 also includes the same
analog outputs as the PP-2 for connection to an analog 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 12 dB /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.
PP-3 Vinyl studio
PP-3 VinylStudio Lite VinylStudio Lite
is software provided free with the PP-3 to digitize records and tapes.
Links to the Windows and Macintosh versions appear below. Visit the
AlpineSoft website
for the latest information or to upgrade to the full version.
$199.00
|
 |
PP-3 USB Phono Stage Features:
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 3 dB lowering if input noise.
Its input noise is typically 60nV, or 78 dB below 0.5mV (RIAA and A
weighted). It has a gain of15 times or 24 dB bringing the lowest output
MC cartridges up to MM level. The input impedance is 100 ohms in parallel
with 180 pF.
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 35.2 dB, or 287 mV
out for 5mV in with 23 dB overload margin and the frequency response
is accurate within +/- 0.3 dB 50Hz-20k, +/- 1 dB 20-50Hz. The infrasonic
filter has -3 dB point at 10Hz and is 14 dB down at 5 Hz. The input
noise with IHF cartridge source is 0.75uV or 76 dB 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 100 dB 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 analog source, be
it FM radio, Tape, or the analog 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.
|
