Lyngdorf Audio DPA-1 manual

Owner´s manual DP A-1 RoomPerfect™ MENU ENTER MUTE ANALOG DIGITAL DP A-1 Digital Pre-Amplifier[...]

2[...]

3 T able of Contents Operating V oltage 4 Unpacking the DP A-1 4 Serial Number Registration 4 Introduction 5 Accessories 6 Front Panel 7 Display Indicators 8 Rear Panel 8 Remote Control 10 Connecting the DP A-1 12 - Connecting to sources and amplifi ers 12 - Using Main and Line outputs 13 Menu System 14 - Navigating the Menu System 14 Menu T ree 1[...]

4 Operating V oltage The DP A-1 can be switched between 115V and 230V mains voltage. In 115V mode the DP A-1 requires a mains voltage of 100V -120V at 50-60Hz. In 230V mode the DP A-1 requires a mains voltage of 220V -240V at 50-60Hz. The mains voltage setting for your DP A-1 can be changed on the rear selector . Make sure the rear selector is in t[...]

5 Introduction Congratulations on the purchase of your L yngdorf Audio DP A-1 with RoomPerfect™. Besides being a state-of-the-art pre-amplifi er , it also enables you to take advantage of the most advanced room correction system on the market. It is implemented in such a way that you will always achieve the perfect result. No computer needed, no[...]

6 Accessories Y ou should fi nd the following accessories 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)[...]

7 Front Panel Controls The buttons/controls on the front panel of the DP A-1 can all be operated either with direct presses or by operating the corresponding keys on the supplied remote control. All the keys on the front panel (except the Mains Switch) are duplicated onto the remote control as well. 1. Mains Switch Powers the DP A-1 on/off. 2. Mute[...]

8 Display Indicators D A 12345 12 3 4 5 1. A-D Illuminates to indicate whether the active input is Analog or Digital. 2. Menu Alphanumeric Display (2*20 Characters). 3. 1-5 Illuminates the active input. 4. RoomPerfect Logo Is illuminated when a fi lter is active. 5. V olume Display 3 digits indicating V olume control setting from 00.0 to 99.9 – [...]

9 5. 115V and 230V Mains V oltage Switch. Switches between 115V and 230V mains input voltage. Make sure the rear selector is in the correct setting and connect the power input only to the appropiate AC source. The warranty will not cover any damage caused by connecting to the wrong type of AC mains. 6. Digital Input 1-3 RCA connectors for SPDIF inp[...]

10 Remote Control The remote control is used to access the menu system as well as the buttons directly accessible on the front panel. T o control the DP A-1 the AMP key must be pressed (please note the DP A-1’ s volume and mute buttons still work when in other modes). The functionality of the buttons when AMP is pressed are as follows: 1 2 3 4 5 [...]

11 13. T uner No function. 14. Channel -/+ T oggles down/up between inputs. 15. V olume Up/down Increases or decreases the volume in the chosen direction. 16. Up / Down / Left / Right In normal operation mode the Up/Down toggles between bypass and the available Focus and Global fi lters and the Left/Right toggles between neutral and the available [...]

12 Connecting the DP A-1 Connecting to sources and amplifi ers The DP A-1 is very simple to hook up. 1. Connect all sources to the DP A-1. Then connect the DP A-1 output signal to a poweramplifi er . Source(s) DP A-1 Po weramp DPA-1 Digital Pre-Amplifier[...]

13 Using Main and Line outputs As described in “Routing” and “Crossover Frequency” there are many ways to utilize the Main and Line out- puts. Here we have described the three most common set-up´s. Please note the products, outputs and cross- over frequencies are chosen randomly in these descriptions. Combine them at your own will and need[...]

14 Menu System The Main Display on the front panel of the DP A-1 shows all functionality and current status of the DP A-1. An overview of the menu tree can be seen in the ‘Menu T ree’ chapter . Navigating the Menu System Pressing the Menu button on the front panel or the remote enters the menu or steps back one level in the menu system. Using t[...]

15 Menu T ree This is an overview of the entire DP A-1 menu structure. Line O u t L i ne Out C ontr ol Line O ut Lev el DP A - 1 Main Menu Inp ut Sens iti vity Inp ut Nam e Volu m e Disp lay Di spl ay T i meout Disp . Bri g h tn es s Vo lum e Dis p . Timeo . Def. Vo lum e Max . Volum e RoomPer fe ct Guided setup Adv anc ed opt i ons Meas u re Ro o [...]

16 Introduction to RoomPerfect™ Once the guided set-up has been successfully completed you have the option to listen to music through two listening settings; Focus 1 and Global room correction fi lters. The RoomPerfect™ fi lters are stored on the numerical buttons from 1 to 9 on the remote control. T o change from one fi lter to the other yo[...]

17 RoomPerfect™ The sub menus accessible in the RoomPerfect™ menu are: Advanced options is only available when Guided set-up has been performed. Guided Setup When you enter the RoomPerfect™ Main Menu for the fi rst time, only the Guided setup is available. Press Enter to initiate the guided set-up. The main steps in the guided set-up procedu[...]

18 Setting the Measurement V olume Level The calibration volume is a recommended maximum volume. It is important that you always judge whether the calibration volume is too loud. The calibration volume should not be so loud that it causes: • uncomfortably loud sounds that are inconvenient to you or your environment, or • damage to your loudspea[...]

19 Focus Measurement When the calibration is OK, press Enter to start the measuring process and ‘Measuring Focus position …’ will be displayed. Each measurement comprises four steps: • A low and a high frequency measuring signal fi rst in the left and then in the right channel. The length of each measurement depends on a combination of the[...]

20 When a random measuring position and microphone orientation has been chosen press Enter . The measur - ing process will start and the display will show ‘Measuring room position 1’. The measurement will stop prematurely if an error occurs during the measuring process. In this case, the error message ‘Retry room measurement – press Enter?[...]

21 Calculation of Focus 1 and Global Filters When RoomPerfect™ calculates the fi lters the display shows the following, ‘Calculating fi lters - Please wait’. The fi lter calculation process can be expected to take anywhere between 5 seconds and a minute de- pending on the specifi c task. When RoomPerfect™ has calculated the room correct[...]

22 Advanced Options This section describes the options in the advanced menu, which is available after Guided Setup has been completed. Here you can add new listening positions and room measurements, check the RoomKnowl- edge of your current set-up, and check the RoomCorrection for the different fi lters. Measure Focus Pos. As mentioned, it is poss[...]

23 ‘Add more room meas.? Y es/No’ will show in the display: • choose Y es to add another room measurement or , • choose No to stop adding more room measurements. If No is chosen the volume is returned to the default or lower . ‘Save room measurement(s)? Y es/No’ will hereafter be shown. • choose Y es to save the performed room measure[...]

24 Display The sub menus accessible in the Display menu are: Display T imeout Display T imeout set-up is used for enabling/disabling the 10 sec. display ’ switch’off’ feature. If enabled the Main Display reading will switch off after 10 sec of inactivity from the remote control or front panel buttons. Disp. Brightness Display Brightness is us[...]

25 V olume The sub menus accessible in the V olume menu are: Def. V ol. The Default V olume setting controls the default volume at start-up and can be set from 0 to 99 dB. However , a setting over 88 is not recommended as this corresponds to max output with full scale digital input. Max. V ol. The Maximum V olume setting is a safety precaution used[...]

26 Input Name As default, digital inputs are called Digital 1-5 and Analog inputs are called Analog 1-4. T o change the name, choose an input and then between the following preset names: ADC, Analog 1-4, AUX, CD, CD-1, CD-2, DAB, DA T , DBS, DCC, Digital 1-5, DVD, DVD-1, DVD-2, FM, LD, MD, PC, PHONO, RADIO, RIAA, SACD, SA T , T APE, TUNER, TV , VCR[...]

27 Advanced Setup The sub menus accessible in the Advanced menu are: Ad van ced s etup Mas ter /Slave Routing Cr o ss ov e r f r e q Tr i gge r setup Facto ry Res et Remo te C on trol F ilte r Ty pe Digital Out Firmware version s Main Out C omm uni c at i on Delay Line O u t Communication The sub menus accessible in the Communication menu are: Comm[...]

28 Main Out The sub menus accessible in the ‘Main Out’ menu are: Main Ou t Main O u t C o ntro l Main O u t Level Main Out Control The Main Out Control sets the output level to be Full Scale (fi xed) or Regulated (variable). Fixed means there’ s a constant full scale output – most often used as ‘tape out’ or when using a L yngdorf Audi[...]

29 Routing Rout i ng In Routing it is possible to apply different settings to the Main and Line outputs: Symbol Name Main output Line Output R L Highpass fi lter XX R L Lowpass fi lter XX RL LR Left and Right channel switching X - M Mono - X M Mono lowpass fi lter - X A highpass and lowpass fi lter can be applied to the Main and Line outputs wh[...]

30 In general, the recommended crossover frequency between (sub)woofers and main speakers is be- tween 200 - 400 Hz. By using a high crossover frequency , the rear wall quarter wavelength refl ection is removed from the main speakers. If a L yngdorf Audio boundary woofer is used in a 2+2 set-up, a crossover frequency of 400 is recom- mended due to[...]

31 1 centimeter = 0.3937 in The fault message ‘V alues for delay exceed limits’ is displayed when the difference between the distance from the speakers closest to, and the speakers furthest from, the listening position is too big. The biggest difference allowed is 340 cm / 134 in. If the fault message appears, you can use the following solution[...]

32 RoomPerfect™ T roubleshooting No microphone connected The error message ‘No microphone connected’ is displayed when no microphone is connected to the DP A-1. Solution: • Connect the microphone on input on the back panel. No signal 1. The error message ‘Fault – No signal’ is displayed when the incoming signal is classifi ed as pure[...]

33 Firmware Upgrading The DP A-1 fi rmware can be upgraded using the ‘L yngdorf 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.[...]

34 Connectors Mains Connector Mains voltage to the DP A-1 is applied via an IEC320 type connector . The supplied cable with safety ground should be used to connect the DP A-1 to a mains outlet. Make sure the rear selector is in the correct setting and connect the power input only to the appropiate AC source. The warranty will not cover any damage c[...]

35 T echnical Specifi cations Audio Parameter V alue Note Balanced input connectors 3 pin XLR, gold-plated. Case=Gnd, Pin1=Gnd, Pin2=Hot(+), Pin3=Cold(-) Balanced input impedance 10KOhm AC-coupled. Unbalanced input connectors RCA (phono) jack, gold-plated. Case=Gnd, T ip=Hot(+) Unbalanced input impedance 10KOhm AC-coupled DAC Out impedance 50Ohm G[...]

36 Protection Parameter V alue Note Grounding Mains earth, chassis and audio ground are connected internally . Over temperature Mains-transformer . Auto resetting thermal fuse in mains transformer . Mains Parameter V alue Note Mains input connector IEC 320 cold type Mains lead supplied. Mains voltage range 100-240V AC, 50–60Hz Power consumption 4[...]

37 T echnical Assistance For latest version of the fi rmware, newest version of this document and ‘Questions and Answers’, please check the ‘Support’ section on the L yngdorf Audio website. If you have any problems with or questions regarding your L yngdorf Audio product, please contact your nearest L yngdorf Audio representative or: L yng[...]

38 Appendix V oicing Curves For further information on the V oicing setting, please refer to the “V oicing” chapter . Music 1 Music 2 Open Open Air Relaxed Soft 10 Hz 100 Hz 1k Hz 10kHz -6 -4 -2 0 2 4 6 Fr eq ue nc y ( H z) Magnitude ( dB ) M agn it ud e Resp on se: M u si c 1 10 Hz 100 Hz 1k Hz 10kHz -6 -4 -2 0 2 4 6 Fr eq ue nc y ( H z) Magni[...]

39[...]

40 www .lyngdorf.com[...]