This device has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15
of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a
residential installation.
This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in
accordance with the instructions, may cause harmful interference to radio communications. However, there is
no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful
user is encouraged to try to correct the interference by one of the following measures:
• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and receiver.
•
• Consult the dealer or an experienced radio/TV technician for help.
SAFETY PRECAUTIONS
Observe the following
Safety Precautions
when operating the device.
• Only use the accessories that are included in the package.
• Do not expose the device to direct sunlight.
• Do not place the device in a damp condition or high humidity.
• Do not cover or block any ventilation openings of the device.
For proper ventilation, make sure there is at least 10cm clearance
at the back of the unit.
• Do not drop the device or subject it to severe impact.
• Do not operate the device during thunderstorms.
• Protect all cables and power cord from being walked on or pinched.
• Keep the device away from water.
• Unplug the power cord before cleaning. Wipe the device with a clean, dry cloth.
• Do not attempt to repair this device yourself.
AC 100(115)V / 230(240)V
FUSE T2.5A 250V
4
L
R
SPEAKER
6
EXPANSION SLOT
OPTICAL
SPEAKER
OPTICAL
OPTICAL
OUTPUT
10
cm
1
2
L
COAXIAL
5
3
R
USB
1
Page 3
Nuforce DDA120 Integrated Amp
INTRODUCTION
The DDA-120 integrated power amplifier accepts analog, digital and Bluetooth audio inputs from computers,
consumer entertainment and streaming devices without the complexity of an audio/video receiver.
In order to have more input options, the DDA-120 accepts a full compliment of sources - one RCA analog, four digital
via one USB, one coaxial, two optical inputs, and one expansion slot for a Bluetooth receiver dongle.
Features
176.4kHz input sampling rate
3GB/s over-sampling rate for smoother, more natural reproduction
An on-chip clock reference signal for synchronizing incoming digital audio data -Data re-clocking
results in ultra low jitter performance
100% linear frequency and phase response (+/- 0.1dB from 20 to 20kHz)
THD+N = 0.07%
Signal-to-noise ratio > 95dB A-weighted
High-quality, audio-grade parts throughout
Speaker Output: Connect the left and right speaker cables to the output terminals. In order to avoid shorting out
the DDA-120, before turning on the power, please make sure that the polarity of the speaker cables is properly
terminated to the loudspeakers and the DDA-120.
To select the desired input, simply press the Input button it cycles through all 4 inputs sequentially.
Input R1 – RCA Analog
Input C2
– Coaxial
Input U3 – Digital USB2.0
INPUT
Input O4 – Optical Input #4
Input O5 – Optical Input #5
Iuput
E6
– Expansion slot for a Bluetooth receiver dongle
Using the Remote Control
ON
OFF
1
MUTEVOL
3
INPUT
4
1.On : turns on the DDA-120
2.
O : turns o the DDA-120
3.
Mute
4.
2
Input : cycles through the DDA-120’s six inputs
5.
6.
: raises the volume
Vol
: lowers the volume
Vol (用
5
6
3
Page 5
Nuforce DDA120 Integrated Amp
Dim Mode
In the Dim Mode, when the unit idles for three seconds or more, the front LED turns o.
Note: When the LED is o, the unit is still operating. The LED will turn back on when the remote or
knob are being employed.
To Enable Dim Mode:
Press and hold Power On button while pressing the Input button.
SPECIFICATIONS
Input
Output(1) x Speaker-level, (1) x Digital TOSLINK
Frequency response20 to 20kHz +/- 0.1dB
THD+N 0.07% @ 15W
SNR> 95 dB A-weighted
USB Input Sampling Rates44.1, 48, and 96kHz (maximum 96kHz)
(1) x RCA Analog (converted to24-bit/96kHz), (2) x Digital TOSLINK,
(1) x RCA Digital Coaxial (75-Ohm), (1) x Digital USB2.0 (adaptive mode),
(1) x expansion slot - Bluetooth receiver dongle (digital S/PDIF format)
(output is pre-volume control & tracks input selection)
4
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