Hybrid Digital Amplifier: The NAD D 3020 is a hybrid digital
which incorporates NAD's PowerDrive and Soft Clipping technology for dynamic
power, low distortion and noise, and minimal power consumption. Even at 30 watts
x 2 channel, the D 3020 has the ability to drive difficult loudspeakers to
satisfying levels without adding noise or distortion.
- NAD PowerDrive Circuit: The D 3020 use NAD's
proprietary PowerDrive amplifier technology that provides high dynamic power
and low impedance drive capability. This uniquely efficient power supply
topology provides the real world benefits of high dynamic power that remains
uncompromised by low impedance speakers.
- Soft Clipping: NAD's Soft Clipping circuit gently
limits the output of the D 3020 to minimize audible distortion when the
amplifier is over-driven. While Soft Clipping can be left on at all times to
reduce the likelihood of audible distortion from excessive volume settings,
you can also turn the circuit off for critical listening if you prefer.
- NAD's Full Disclosure Power Ratings: NAD uses Full
Disclosure Power (FDP), the most demanding criterion for performance
measurement. FDP specifies distortion under the most extreme conditions of
low impedance loads and frequency extremes, rather than the simple and easy
1kHz @ 8 ohms test quoted by many of other manufactures. NAD uses this
stricter performance criterion because it more closely matches the demands
of real music and real loudspeakers. Maintaining specified distortion at 4
ohms and at 20Hz to 20kHz is a much more difficult achievement. The NAD D
3020 is rated at 30 watts x 2 channel (@ 20-20kHz, in 8-ohms, with 0.005%
Note: The D 3020's highly efficient design wastes less energy
resulting in cooler running and longer life; standby power consumption is
Bass EQ Circuit: An innovative Bass EQ circuit helps small speakers sound bigger
without overdriving or damaging drivers.
24-Bit/192kHz DAC: The NAD D 3020 hybrid digital amplifier
incorporates an excellent quality 24-bit/192kHz DAC with 8 channels mixed to 2
channels for playback of your high-resolution digital music.
Asynchronous USB Input: The NAD D 3020 features an "asynchronous" USB
(type-B) input to insure the
lowest possible jitter (timing errors) from your connected Windows or Mac
computer. The D 3020's USB input supports up to 24-bit/96kHz high-resolution music files
on your computer. The D 3020 is compatible with Mac OS X Snow Leopard (version
10.6) or later version; no additional USB driver required. Its also compatible
with Windows (XP service pack 2 or higher and 7); additional USB driver download
Digital Optical/Coaxial Inputs: The NAD D3020 is fitted with one
digital coaxial (RCA) input and one optical (toslink) digital input for
connection of your digital audio sources; like CD and DVD players,
satellite/cable boxes, or Apple TV.
Dual Analog Inputs: The D3020 offers two analog inputs; a stereo
RCA input and a 3.5mm Aux input. Use the stereo RCA input for older non-digital audio
components, like your AM/FM tuner. Use the 3.5mm Aux input to connect your
portable digital music player. The 3.5mm input can also be used as an optical
input for Macbook laptop computers (miniplug-to-Toslink adapter included for use
with an optical cable).
Bluetooth aptX Music Streaming: The NAD D 3020 offers built-in
Bluetooth aptX technology. Via Bluetooth, you can wirelessly stream music from your
smartphone, tablet, or laptop to the hybrid digital amplifier. The D 3020 even
supports aptX audio coding which delivers CD-quality sound wirelessly over Bluetooth.
The D 3020 is compatible with most Bluetooth devices (such as Apple, Android,
and Blackberry). However, due to the differences in Bluetooth technology, some
Bluetooth enabled devices may be incompatible, function improperly, or may not
support all features.
Binding Post Speaker Terminals: The NAD D 3020 hybrid digital
amplifier is equipped with four binding post terminals to connect your
loudspeakers. The binding post speaker terminals will accept bar wire (up to
10AWG), banana plugs (dual or single), pin-connectors, and spade-connectors.
Subwoofer Output: The NAD hybrid digital amplifier features a mono-minijack
subwoofer output for connecting an external powered subwoofer to your system.
Built-in Headphone Amp: The D 3020 features an integrated headphone
amp with a 3.5mm headphone output jack to connect a pair of headphones for
private listening. A specially designed low noise headphone circuitry
accommodates a wide range of headphones, even 600-ohm studio models. Once headphones are connected to the D 3020, your connected
speakers will be turned off.
IR Remote Control: The NAD D 3020 comes with an IR remote for wireless
operation of the hybrid digital amplifier. You can turn amplifier on/off,
raise/lower volume, and switch sources from the remote. The playback controls on
the remote are not functional.
+12V Trigger Input: The +12V trigger input (3.5mm) lets you turn
on/off the D 3020 from another device with a +12V trigger output.
Vertical or Horizontal Mounting: The NAD D 3020 can be installed
vertically or horizontally. Eight self-adhesive rubber feet are included.