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Protection

Parameter

Value

Note

Grounding

Mains earth, chassis and audio 
ground are connected internally.

Over temperature

Mains-transformer.

Auto resetting thermal fuse in 
mains transformer.

Mains

Parameter

Value

Note

Mains input connector

IEC 320 cold type

Mains lead supplied.

Mains voltage range

100-240V AC, 50–60Hz

Power consumption

4 W

STANDBY mode.

Power consumption

35 W

OPERATE mode

Trigger

Parameter

Value

Note

Trigger Out connector

3.5mm (1/8”) mono jack

Case=Gnd, Tip=Input

Trigger Out voltage

12V DC

Short circuit protected

Trigger Out Current

50mA

Mechanical

Parameter

Value

Note

Width

450mm (17.72”)

Depth

440mm (17.32”)

Height

100mm (3.94”)

Including feet.

Net weight

7.4Kg (16lb.)

Shipping weight

10.8Kg (23.8 lb.)

Two shipping boxes.

Summary of Contents for DPA-1

Page 1: ...Owner s manual DPA 1 RoomPerfect MENU ENTER MUTE ANALOG DIGITAL DPA 1 Digital Pre Amplifier ...

Page 2: ...2 ...

Page 3: ...2 RoomKnowledge 23 RoomCorrection 23 Display 24 Display Timeout 24 Disp Brightness 24 Volume Disp Timeo 24 Volume 25 Def Vol 25 Max Vol 25 Input Name 26 Input Sensitivity 26 Advanced Setup 27 Communication 27 Comm Address 27 Comm Speed 27 Master Slave 27 Digital Out 27 Main Out 28 Main Out Control 28 Main Out Level 28 Line Out 28 Line Out Control 28 Line Out Level 28 Routing 29 Crossover Frequency...

Page 4: ...icroprocessor is active 3 ON All circuits are active Unpacking the DPA 1 Carefully remove the unit and accessory kit from the carton visually check for shipping damage Contact both the shipper and your Lyngdorf Audio representative immediately if the unit bears any sign of damage from mishandeling All Lyngdorf Audio equipment is carefully inspected before leaving our factory Keep shipping carton a...

Page 5: ...nothing to chance in the fully automated calibration process However for the advanced user there are plenty of challenges since the DPA is also a complete Control Centre that allows you to build advanced multi way passive or active speaker systems This is possible due to the very powerful built in DSP engine which facilitates signal routing creation of active cross overs delay settings etc In fact...

Page 6: ... included 1 2 3 4 5 6 7 digital info analog A B random repeat AMP channel ENTER volume RCS CD TUNER menu 8 0 9 Mains cord 8 m 26 25 feet XLR XLR cable Microphone Programming cable Remote control Microphone stand with Mic clamp delivered in a separate carton ...

Page 7: ...ital input or if already selected cycles to the next Digital input In standby mode press to turn On the DPA 1 with the last selected digital input 5 Display Display with all information on the menu system status active input selection and volume control 6 Volume Wheel Optical encoded volume control wheel 7 Navigation Keys In stand by mode press Enter to turn On the DPA 1 with the last selected inp...

Page 8: ...00 0 to 99 9 in dB s Mute is indicated by the Volume control setting Standby mode is indicated with the decimal dot from the volume indicator being lit only Rear Panel 6 7 8 10 13 9 11 12 1 5 2 3 4 100 120V 220 240V 50 60Hz 35W 1 Analog Input 1 3 Unbalanced RCA Left Right Analog input pairs 2 Analog Input 4 Balanced XLR Left Right Analog input 3 Analog Output Double pair of balanced XLR Left Right...

Page 9: ...S input 9 Optical Digital Input 5 Connector for Toslink input 10 Mic In Mic in for connection of RoomPerfect microphone 11 Trigger Out DC Trigger out for remote start of SDA 2175 power amplifiers or other suitable equipment with a remote start The output voltage is 12V and a maximum current of 50mA can be drawn from the output 12 RS232 Input Aux RS232 communication connectors for communication wit...

Page 10: ...al input or if already selected cycles to the next Digital input To select a specific Digital input press the Digital button fol lowed by numerical button 1 5 within 2 seconds 5 Numerical Button 0 Selects bypass listening mode no room correction filter selected 6 Info Hold down for 2 seconds to show the current samplerate To select a specific Voicing filter press the Info followed by numerical but...

Page 11: ...e Up Down toggles between bypass and the available Focus and Global filters and the Left Right toggles between neutral and the available voicings In menu mode they are used for navigation in the menu system Pressing and holding down a key changes selected values fast 17 Enter Turns the DPA 1 On from stand by mode with the last selected input and works as Enter in menu sys tem 18 No Function ...

Page 12: ...PA 1 Connecting to sources and amplifiers The DPA 1 is very simple to hook up 1 Connect all sources to the DPA 1 Then connect the DPA 1 output signal to a poweramplifier Source s DPA 1 Poweramp DPA 1 Digital Pre Amplifier ...

Page 13: ...t up A poweramp is connected to the Main Out Left and Right and highpass crossover is set at 80Hz The Subwoofer is connected to the Line Output and lowpass crossover is set at 80Hz Remember to set the subwoofer cut off frequency to maximum Poweramp Active subwoofer Speakers Main Output Left Right Highpass filter set at 80Hz Line Output Right Mono lowpass filter set at 80Hz DPA 1 3 Lyngdorf 2 2 set...

Page 14: ...Pressing the Menu button on the front panel or the remote enters the menu or steps back one level in the menu system Using the left right arrows keys the Menu system settings can now be scrolled through To access a sub menu setting scroll to it and press the Enter button To change a setting use the Up Down and or Left Right arrows and press Enter to accept the change or Menu to exit without applyi...

Page 15: ...Brightness Volume Disp Timeo Def Volume Max Volume RoomPerfect Guided setup Advanced options Measure Room Pos Measure Focus Pos RoomKnowledge RoomCorrection Advanced setup Communication Comm Address Comm Speed Delay Remote Control Master Slave Digital Out Routing Crossover freq Filter Type Firmware versions Factory Reset Main Out Main Out Control Main Out Level Advanced setup Theater Setup ...

Page 16: ...on the global filter gives the best result Focus Listening The Focus filter improves the sound quality at a listening position by exploiting the 3 dimensional acous tic properties gained through the room measurements This makes the Focus filter the best solution for optimal sound quality at a specific listening position Voicing When using RoomPerfect you will experience a much more precise and det...

Page 17: ...surement volume level Taking one Focus listening position measurement Taking at least three room position measurements Adding more room measurements in the guided set up optional Finally automatic calculation of Focus and Global filters If you wish to leave the guided set up at any time during the set up simply press the Menu button and the following message appears Exit without saving No Yes Choo...

Page 18: ...n the focus position you are ready to set the calibration volume The calibration signal is a combination of the high and low frequency measur ing signals and is only presented in your left loudspeaker The measuring signals sound very artificial and disharmonic due to the fact that they are composed of pure tones at different frequencies Press Enter to confirm and to commence the calibration proces...

Page 19: ...easurement has ended successfully when the last measuring signal stops and the display shows a RoomKnowledge rating as RoomKnowledge XX Measurement ok Press Enter to continue Room Measurements The number of room positions needed depends on the value of RoomKnowledge if it is below 90 after the third measurement the guide automatically includes extra room measurements until a RoomKnowl edge of 90 o...

Page 20: ... message Add more room meas Yes No is displayed At this point or any time later you can decide whether the acquired room measurements are sufficient or you wish to add further room measurements to learn more about the room s acoustical information Adding more room measurements results in a higher RoomKnowledge this in turn improves the room correction filters Choose Yes to add more room measuremen...

Page 21: ...xpected to take anywhere between 5 seconds and a minute de pending on the specific task When RoomPerfect has calculated the room correction filters they are automatically saved The Focus filter is saved as setting 1 and Global is saved as setting 9 out of the possible 9 filter settings You have now successfully completed a guided set up and the RoomPerfect Advanced Menu is now available ...

Page 22: ...ing the current measurement Choose between focus listening position 2 8 and press Enter If you wish to overwrite an existing Focus filter 2 to 8 can be overwritten or you are trying to save a new filter on an existing preset then Focus no X exists Overwrite Yes No will be displayed When the Focus number has been chosen the volume turns down to default or lower and the new Focus filter is calculate...

Page 23: ...operties have been learned The more room measurements you add the higher the RoomKnowledge will become The more that the acoustical properties of the room are learned the greater the accuracy of the room correction RoomCorrection The RoomCorrection index is a measure of how much processing is being employed in the room cor rection filters To some extent the RoomCorrection index reflects how audibl...

Page 24: ... 10 sec of inactivity from the remote control or front panel buttons Disp Brightness Display Brightness is used to control the brightness of the display The brightness can be set to 25 50 75 or 100 Volume Disp Timeo If Volume Display Timeout is enabled the Volume Display reading will switch off after 10 sec of inactivity from the remote control or front panel buttons Volume Disp Timeo Display Time...

Page 25: ... recommended as this corresponds to max output with full scale digital input Max Vol The Maximum Volume setting is a safety precaution used for limiting the maximum volume which can be achieved by spinning the wheel or increasing volume via the remote This can be set to avoid excessively loud sound pressure levels and or to protect your loudspeakers against overload Volume Def Volume Max Volume ...

Page 26: ...DVD 1 DVD 2 FM LD MD PC PHONO RADIO RIAA SACD SAT TAPE TUNER TV VCR VDP VIDEO VIDEO 1 VIDEO 2 Input Sensitivity The Input Sensitivity adjustment enables you to match levels from different sources as well as obtaining full scale output on your amplifier The Sensitivity can be adjusted 12dB in 0 1 dB steps Setting the Input Sensitivity too high will result in clipping distortion Therefore always use...

Page 27: ...maller delay can be observed when using higher speeds Home Theater If you are using a set up with a Home Theatre Processor where your Lyngdorf product is used to power and calibrate the front left and right speakers this feature will bypass the volume control Connect your HTP to the Analog Input 1 and activate the feature Choosing Analog Input 1 will result in the amplifier turning itself into a d...

Page 28: ... Level This adjusts the overall output level in steps of 0 1 db it can be attenuated to 40 dB in total Line Out The sub menus accessible in the Line Out menu are Line Out Line Out Control Line Out Level Line Out Control The Line Out Control sets the output level to be Full Scale fixed or Regulated variable Fixed means there s a constant full scale output most often used as tape out or when using a...

Page 29: ... selected the full frequency range will be directed to your main loudspeakers If a filter is selected the frequencies above or below the selecter crossover frequency will be directed through the analog line out and digital Line Out or Main Out terminals When a highpass or lowpass filter has been chosen the Crossover Frequency and Filter Type menus are enabled Crossover Frequency Crossover Frequenc...

Page 30: ...filter type and order as well as delay is set correctly Therefore creating filters for active speakers is an iterative process that requires several critical listening sessions in order to achieve seamless integration of the different speaker drivers Filter Type Filter Type is only available when Routing has been setup It is possible to choose from two different Filter Types in this menu LiRi Link...

Page 31: ...your Main and Line channel loudspeakers resulting in a more compact loudspeaker set up Arrange your loudspeaker set up and or your listening position in a more symmetrical set up Remote Control Remote Control set up makes it possible to activate or de activate the remote control Firmware Versions The Firmware Versions menu is used to check the current firmware version of your DPA 1 and the RoomPer...

Page 32: ... activate Mute Signal clipping 1 The error message Fault Signal clipping is displayed when the incoming signal is classified as too loud resulting in clipping distortion 2 A loud noise from the local environment that has corrupted the measurement results in this error message Solution Lower the measuring signal volume before continuing with the measurement Repeat the measurement with no changes ho...

Page 33: ...ding The DPA 1 firmware can be upgraded using the Lyngdorf Audio Serial Load software This is in the PC package available from www Lyngdorf com Follow the upgrade steps shown below to bring the product into upgrade mode ...

Page 34: ...nt when the DPA 1 is on e g re motely connected SDA 2175 power amplifiers or active subwoofers AD Converter Board The AD Converter card for the DPA 1 has input connectors for both balanced XLR and unbalanced RCA analog signals The input impedance of the inputs are 10 kOhm Balanced Inputs The balanced XLR inputs are wired in accordance with IEC268 Pin 1 Chassis and ground Pin 2 Hot Pin 3 Cold Shell...

Page 35: ...oomPerfect Highpass Filter 3dB at 18Hz THD N A wgt Digital to Analog 103dB Neutral voicing ref 4 4V S N Ratio Digital to Analog 113dB Neutral voicing ref 4 4V Dynamic Range Digital to Analog 113dB Neutral voicing ref 4 4V THD N A wgt Analog to Digital 110dB Neutral voicing ref 4 4V S N Ratio Analog to Digital 119dB Neutral voicing ref 4 4V Dynamic Range Analog to Digital 119dB Neutral voicing ref ...

Page 36: ... lead supplied Mains voltage range 100 240V AC 50 60Hz Power consumption 4 W STANDBY mode Power consumption 35 W OPERATE mode Trigger Parameter Value Note Trigger Out connector 3 5mm 1 8 mono jack Case Gnd Tip Input Trigger Out voltage 12V DC Short circuit protected Trigger Out Current 50mA Mechanical Parameter Value Note Width 450mm 17 72 Depth 440mm 17 32 Height 100mm 3 94 Including feet Net wei...

Page 37: ...tions and Answers please check the Support section on the Lyngdorf Audio website If you have any problems with or questions regarding your Lyngdorf Audio product please contact your nearest Lyngdorf Audio representative or Lyngdorf Audio ApS Denmark E mail info lyngdorf com Web http www lyngdorf com ...

Page 38: ... Hz 100 Hz 1kHz 10kHz 6 4 2 0 2 4 6 Frequency Hz Magnitude dB Magnitude Response Music 2 10 Hz 100 Hz 1kHz 10kHz 6 4 2 0 2 4 6 Frequency Hz Magnitude dB Magnitude Response Open 10 Hz 100 Hz 1kHz 10kHz 6 4 2 0 2 4 6 Frequency Hz Magnitude dB Magnitude Response Open Air 10 Hz 100 Hz 1kHz 10kHz 6 4 2 0 2 4 6 Frequency Hz Magnitude dB Magnitude Response Relaxed 10 Hz 100 Hz 1kHz 10kHz 6 4 2 0 2 4 6 Fr...

Page 39: ...39 ...

Page 40: ...40 www lyngdorf com ...

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