User manual
Contents
1. NuForce DDA120 Integrated Amp User s Manual Opt oma Nuforce DDA120 Integrated Amp FCC STATEMENTS 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 ina 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 interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one of the following measures e Reorient or relocate the receiving antenna e Increase the separation between the equipment and receiver e Connect the equipment into an outlet on a circuit different from that to which the receiver is connected e Consult the dealer or an experienced radio TV technician for help SAFETY PRECAUTIONS Observe the following Safety Precautions when operating the device e Only use the accessories that are included in the package e Do not expose the device to direct sunlight e Do not place the device in a damp condition or high humidity e Do not cover or block an2. s the volume D IPWN Vol W lowers the volume Dim Mode Nuforce DDA120 Integrated Amp In the Dim Mode when the unit idles for three seconds or more the front LED turns off Note When the LED is off 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 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 1 x Speaker level 1 x Digital TOSLINK output is pre volume control amp tracks input selection Frequency response 20 to 2OkHz 0 1dB THD N 0 07 15W SNR USB Input Sampling Rates gt 95 dB A weighted 44 1 48 and 96kHz maximum 96kHz S PDIF Input Sampling Rates 44 1 48 88 2 96 176 4kHz Peak Output Power 250W Bit Resolution 16 24 bits Dimensions W x H x D 9 x 2 x 8 5 Weight 2 64 Ib
3. uct Overview Front View Rear View R WN gt DIPUN o N Power On Off Volume control Switch Input Reciever Volume Display Input Source Display RCA Digital Coaxial Input 75 Ohm Digital USB2 0 Input Adaptive mode Digital TOSLINK Input Digital TOSLINK Output Expansion slot Bluetooth receiver dongle Input Digital S PDIF format Left channel speaker output 5 way binding post Right channel speaker output 5 way binding post AC Inlet Nuforce DDA120 Integrated Amp Basic Operating To Power on off ON ON Pressing after turning back switch for 15 seconds Ree OFF OFF Long pressing for 5 seconds P eP IMPORTANT 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 luput E6 Expansion slot for a Bluetooth receiver dongle D 3 Using the Remote Control On turns on the DDA120 Off turns off the DDA120 Mute Input cycles through the DDA 120 s six inputs Vol A raise
4. y ventilation openings of the device For proper ventilation make sure there is at least 10cm clearance at the back of the unit e Do not drop the device or subject it to severe impact e Do not operate the device during thunderstorms e Protect all cables and power cord from being walked on or pinched e Keep the device away from water e Unplug the power cord before cleaning Wipe the device with a clean dry cloth e Donot attempt to repair this device yourself INTRODUCTION Nuforce DDA120 Integrated Amp 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 e 1 6 4kKHz input sampling rate e 3GB s over sampling rate for smoother more natural reproduction e An on chip clock reference signal for synchronizing incoming digital audio data Data re clocking results in ultra low jitter performance e 100 linear frequency and phase response 0 1dB from 20 to 20kHz e THD N 0 07 Signal to noise ratio gt 95dB A weighted High quality audio grade parts throughout Prod
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