NAD 510 CD Player User Manual

NAD 510 CD Player User Manual
510
Compact Disc Player
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Budget entry level single disc CD Player
Bitstream digital-to-analogue converter
Separate, regulated power supplies for the analogue stages
Low output impedance for low cable/load interaction
Informative display with switchable track, time and repeat
Random Play
Repeat mode for single track or entire CD
Background
Over the years NAD has built up an enviable reputation for building fine CD players offering outstanding
value for money. The latest model, the NAD 510 will further enhance that reputation.
As always, sonic performance is the first priority at NAD. By deleting the remote control and many
seldom used features, the NAD engineers could spend the money saved on design and engineering
directly related to performance. Not surprisingly, as a direct result of this approach the sound quality
belies the NAD 510's keen price. Behind the deceptive simple front panel lies sophisticated circuitry.
Design
As with all NAD CD players, particular attention has been paid to keep the analogue path free from RF
interference (which can otherwise severely contaminate the purity of the audio signal). For a start, all
circuitry not directly related to the sound itself (transport, servo's, display drivers, etc.) has been
relegated to separate circuit boards. The audio section has its own dedicated PCB located directly behind
the output socket, minimising the length of the signal path and physically keeping it removed from the
other boards. Separate power regulators for the digital and analogue sections isolate the two electrically
as well, and furthermore, careful lay-out of the PCB tracks around the Digital-to Analogue converter
helps to contain any remaining RF.
For the NAD 510 the much acclaimed Bitstream Digital-to-Analogue single bit converter chip was chosen
for its excellent low level linearity. The output impedance is very low at 110 , making the NAD 510 less
sensitive to cables or the ancillary equipment it is partnered with. Paired with a 5-pole filter in the
analogue stage and using high grade components, the result is an unparalleled open, rich and detailed
sound that is commonly only available from more expensive machines.
The understated yet comprehensive display gives the listener all the vital information required to access
and enjoy the selected music. The track number is displayed and for those who regularly transfer CDs to
cassette tape, the button displays the current time elapsed or remaining for complete CDs or individual
tracks.
A "calendar" type section in the display gives immediate visual information how many tracks in total
there are on the CD.
RANDOM gives the listener a random selection of all tracks on the disc in play and REPEAT allows repeat
playing of the disc or individual tracks. Individual tracks are easily accessed by SKIP (Forward and
Back). SCAN (Forward and Back) gives an aural precis of individual tracks, giving the listener the
opportunity to reach specific sections of the track.
Anyone on a tight budget but interested in a high performance CD player without frills should put the
NAD 510 at the top of their shortlist.
SPECIFICATIONS - NAD 510
Disc capacity
Digital-to-Analogue conversion
Analogue filter
Frequency response 5Hz-20kHz
De-emphasis error
THD (at 0dB, 1kHz)
Dynamic range
Signal to noise ratio
(A-weighted, measured with all zeroes test disc)
Channel separation @ 1kHz
Wow and Flutter
Output impedance
Output level @ 0dB
Digital error correction
C1 and C2
Physical specifications
Dimensions (W x H x D)
Net weight
Shipping weight
Single disc 120mm or 80mm
Bitstream
5 pole active
±0.3dB
<0.2dB
0.002%
98dB
>100dB
>110dB
Unmeasurable (Quartz accuracy)
120
2.2V rms
CIRC with double error correction in
435 x 95 x 290 mm
4.6kg
5.5kg
NOTE: NAD reserves the right to change specifications or design at any time without notice. All specifications are those in effect at time of printing.
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