Lyngdorf Audio TDAI-3400 User manual

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Lyngdorf Audio TDAI-3400 – Owner’s manual
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Table of Contents:
Compliance ........................................................................................................ 3
Pre-installation .................................................................................................... 3
Unpacking the product........................................................................................ 3
Home automation system integration ................................................................. 4
Front panel ......................................................................................................... 6
Rear panel .......................................................................................................... 7
Remote control ................................................................................................... 8
Initial setup procedure ........................................................................................ 9
Menu structure TDAI-3400 ............................................................................... 10
Home screen / Web interface ........................................................................... 11
Input setup ........................................................................................................ 12
Output setup ..................................................................................................... 13
Introduction to RoomPerfect™ ......................................................................... 15
RoomPerfect™ setup ....................................................................................... 16
Voicing setup .................................................................................................... 20
Audio setup ...................................................................................................... 21
HDMI setup ...................................................................................................... 21
Streaming setup ............................................................................................... 22
Streaming playback interface ........................................................................... 22
General setup ................................................................................................... 24
Network setup .................................................................................................. 25
How to pair remote control in bluetooth mode .................................................. 25
Manage software .............................................................................................. 25
Troubleshooting ................................................................................................ 26
Wired network setup ......................................................................................... 27
Cleaning and maintenance ............................................................................... 30
Specifications ................................................................................................... 31

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Compliance
WEEE
The European Parliament and the Council of the European Union have issued the Waste Electrical and Electronic
Equipment Directive. The purpose of the Directive is to prevent waste of electrical and electronic equipment and to
promote reuse, recycling, and other forms of waste recovery. Lyngdorf products and the accessories packed with
them are subject to the WEEE Directive. Please dispose of any waste materials in accordance with your local recycling
regulations. Products and equipment which must be collected for reuse, recycling, and other forms of recovery are
marked with the icon of the crossed-out waste receptacle.
FCC
Lyngdorf products and accessories comply with parts 15 and 68 of the FCC rules. Operation is subject to the following
two conditions: (1) this device may not cause harmful interference; and (2) this device must accept any interference
received, including any interference that may cause undesired operation.
Changes or modifications not expressly approved by the party responsible for compliance could void the user’s
authority to operate the equipment. Equipment marketed to a consumer must can comply with the necessary
regulations in the configuration in which the equipment is marketed.
Pre-installation
Please read all material carefully prior to installation. If you need additional assistance, contact your Lyngdorf Audio
representative.
Unpacking the product
Carefully remove the unit and accessory kit from the carton and check for shipping damage. Contact the shipper and
your Lyngdorf Audio representative immediately if the unit bears any sign of damage.
Warning:
Never rest the TDAI-3400 on the front, as the volume wheel cannot handle the weight! Keep the
shipping carton and all packing material for future use. If this unit is shipped without the original
packing, damage could occur and void the warranty.

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Inventory
Check the list below to ensure that all necessary product components have been delivered. Report all discrepancies to
your Lyngdorf Audio representative immediately.
• Owner’s manual
• Power cord
• Remote
• Microphone
• Microphone stand
• Microphone cable
• Microphone adaptor (XLR to mini-jack)
Operating voltage
Lyngdorf Audio products must be connected to the mains power. The TDAI-3400 will not automatically detect the
voltage, so check and set the operating voltage on the switch next to the mains plug.
Ventilation requirements
The TDAI-3400 does not have a built-in fan, nor does it require special measures to ensure proper heat dissipation. It
should be placed according to these guidelines:
It should always have at least one inch / 25mm of free space on all sides.
It should be placed in an environment free of excessive heat.
Home automation system integration
The TDAI-3400 is compatible with home automation systems via the RS232 and network connector on the rear socket
panel. The TDAI-3400’s trigger connections can also be programmed for use in a home automation system.
IP control
Connect the TDAI-3400 to your local network. Pressing the OK button on the remote and toggling through settings,
the TDAI-3400 will display the IP address allocated to the TDAI-3400.
Open a TCP connection on port 84 and use the same protocol as on the serial interface. Use Telnet, Putty, or a similar
program to open the TCP connection.
Preparing the TDAI-3400 for Mounting in a Rack
The TDAI-3400 processor is equipped from the factory with feet for free-standing placement, but rack-mounts are
available as optional accessories.
To install the TDAI-3400 in a rack:
1. Turn the TDAI-3400 upside-down and place it on a stable, even surface.

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2. The screws used to fasten the rack brackets to the bottom of the TDAI-3400 are in the holes designated for
the brackets when the product leaves the factory.
3. Fasten the brackets for rack mounting to the TDAI-3400.
4. Mount the TDAI-3400 in a rack.

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Front panel
On the front of the TDAI-3400, you will find the display, controls and a few connectors:
Left to Right:
• Display
• Dial for changing source. Long push for entering the menu system
• WiFi and Bluetooth antennas
• 1 x USB A media input
• 1 x Microphone input for RoomPerfect calibration
• 1 x Headphone output
• Dial for Volume Control
• Stand-By switch
Warning:
Do not use the USB ports for charging smartphones, hard-drives or media players.
Hot Tips:
When you toggle through Info, you can press ‘Menu’ for revealing a peak meter.
in case the signal through the output stage is clipped, the dot in the volume indication will blink,
indicating that your speakers are at risk for overload due to distortion.

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Rear panel
On the back of the TDAI-3400, you will find a range of inputs and output connectors:
Top Row / Left to Right:
• Optional Module with 3 x single ended and 1 x balanced analog audio inputs
• Optional Module with 3 x HDMI inputs and 1 x HDMI output, all 4K /HDR compatible
• Speaker Outputs
Low Row / Left to Right
• 2 x single ended analog audio inputs
• 1 x single ended analog audio output
• 1 x balanced analog audio output
• 1 x USB B streaming audio input
• 1 x AES/EBU digital audio input
• 2 x coaxial digital audio inputs
• 3 x optical digital audio inputs
• 1 x coaxial digital audio output
• 1 x USB A connector for music file playback, software updating, etc.
• 1 x SD card slot for storing backup data
• 1 x RJ45 LAN connector for connection to local network
• 1 x RS-232 connector for serial control of the unit
• 1 x trigger input and 1 x trigger output
• 1 x Main voltage connector with voltage switch and on/off switch
Note: Do not use the USB ports for charging smartphones, hard-drives or media players.

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Remote control
The TDAI-3400 comes with a dedicated remote control, which can operate both with radio frequencies (Bluetooth
LFE) and infrared control (IR)
Display Changes the read-out on the front display
Turn the TDAI-3400 on and into standby
Info Reveals information on input signal
Trim Adjusts Balance and Bass / Treble levels
Up/Down Move up and down in menus.
Browse available settings in a menu.
Toggles between the available RoomPerfect™ filters.
Left/Right Move left and right in menus.
Toggle between neutral and the available voicings.
Select Select a menu and store a selected setting.
Back/Exit Return to the previous menu.
Menu Access the user menu.
+/- Turn volume up and down.
Mute and restore the sound send to the headphones
Mute and restore the sound in the speakers
SRC +/- Toggle between active sources.
Play/pause the currently playing track in the media player.
Skip in the current playlist in the media player.

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Initial setup procedure
Set up the TDAI-3400 integrated amplifier by following these steps:
1. Connect the speakers to the Speaker Output connectors.
2. Connect all external equipment, audio and video, mains power, etc. to the TDAI-3400.
3. If possible connect the TDAI-3400 to your local network with an ethernet cable.
4. Switch on the TDAI-3400 and all connected equipment.
a. The TDAI-3400 will boot and go into Stand-By.
5. Switch on the TDAI-3400.
6. The TDAI-3400 will initially want to connect to your local network
a. If connected by netowork cable (LAN) the TDAI-3400 will automatically connect
b. If no wired network is attached, the TDAI-3400 will want to connect via WIFI – referring to “WAC
running”. (WAC is Wireless Accessory Configuration)
c. Open the Wi-Fi settings on your iPhone/iPad – and you will find the TDAI-3400 under ‘Setup New
Airplay Speaker’. When selected the TDAI-3400 will copy the Wi-Fi settings.
d. Without iPhone/iPad you can manually enter all data or use the WPS function to pair the TDAI-3400
with your Wi-Fi router. (Select WPS and go and press the WPS button on your router)
You can now choose to continue the setup via the display or via web interface (see next page)
7. Access the speaker setup guide and verify your setup by selecting your speaker types
a. If you select ‘Custom’ speakers, you will have more EQ options. See later section.
8. Access the RoomPerfect™ setup guide and calibrate your speaker setup. See later section.
If you at any point do not want to continue doing setup or calibration, then exit the menu by a long push on the menu
button. The TDAI-3400 will now have a basic stereo setup, and you can play music.

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Menu structure TDAI-3400

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Home screen / Web interface
Installation and operation via web interface
With the TDAI-3400 connected to your local network, on the remote press INFO twice to reveal the IP address
allocated by the router. Open a browser and write the IP address to access the TDAI-3400.
If you are using a MAC or apple product you can also access the device by entering http://tdai3400.local/ in your
browser.
If the TDAI-3400 is still in initial setup, you will be guided through the procedure just like on the display operation.
The HOME screen refers to the daily operation as performed with the remote control. The page displays selected
input and formats and you can control the volume setting
The HEADPHONES section can be accessed, when a pair of headphones are connected to the TDAI-3400 through
Bluetooth or cable. Here you can adjust volume settings and mute the output.
The SETUP section will be described in the following pages.
The interface for controlling the built-in media streamer is found in the bottom section of this page. For information as
to the use of the interface see section for Streaming Setup.
Hot tip: On your mobile device the Home Screen page can be saved as an icon for swift access to
operation of the TDAI-3400.

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Input setup
In the Input setup menu, you can adjust the settings for the signal coming from each input.
Input name
You can change the name to refer to the equipment connected to the input
Enable input
Enables and disables individual inputs so you do not have to scroll through unused inputs.
Enable theater mode
Turns the amplifier into a dedicated power amplifier for the input which is active when in this menu. This feature
bypasses the volume control. This feature might be selected if you are using the TDAI-2170 in a home theater setup
where it is used to power and calibrate the front speakers and/or subwoofer. Connect your home theater processor to
the selected input. When selecting other inputs, the amplifier returns to the last current volume.
Warning: Do NOT test this setting with a CD player or similar unregulated signal!
Sensitivity
Enables you to match levels from different inputs. Can be adjusted up to +24dB.
Voicing
Select the default voicing. See later section for designing voicings.
Input delay (Lipsync offset)
Set delay time in milliseconds to ensure that the video and audio signals are played back simultaneously.
Preset vTuner station
When selecting vTuner Internet radio stations for presets, they will automatically appear as inputs. (The interface for
controlling the built-in media streamer with vTuner is found in the bottom section of the HOME page)
To save changes, you must press “Save” after making changes to a single input. Do not go to the
next input before saving changes.

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Output setup
In the output setup menu, you can change the initial speaker setup.
Main speakers
Select the design of speakers connected to the speaker outputs of the TDAI-3400.
Selecting a Lyngdorf speaker will load an equalizing filter designed to optimize the performance of this speaker in
relation to the selection of sub speaker selected. Selecting ‘Custom’ will open new settings.
Line out / Sub speakers
Select the design of speakers for handling the lower frequencies (Sub frequencies) connected to the analog or digital
outputs of the TDAI-3400.
Verify speaker setup
This function will send out a signal to each speaker for verifying the wiring.
Add 2nd speaker setup
Here you have the option to store a second speaker setup. This will allow you to test another setup or to have two
calibrated setups - example with and without a subwoofer.
Enabling this will start the Guided Speaker Setup. When complete, the menu item Speaker Setup will be
available in the main menu, allowing you to switch between the two setups.
Switch units to inches/centimeter
Changes the input to correct unit of length.
Enable limiter
Normally increasing the volume setting of any amplifier above the nominal specification will allow for higher levels –
just with higher distortion levels. Enabling the limiter will ensure that no matter the overall volume setting, the output
stage of the TDAI-3400 is not distorting.
Routing (for custom speakers)
The available settings are:
• Full-range allows the signal to pass unfiltered.
• Crossover will open for other menus for specifying the signal routing
Level
Reduce the signal level for this output with up to 24 dB to match the levels between the speakers.

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Eq
Select any of the built-in equalizer filters or select ‘custom’ for designing your own filter to optimize the sound from
your speakers.
Filter
Sets the type of filter to be applied to this output
• High pass - removes the frequencies below the crossover frequency.
• Low pass - removes the frequencies above the crossover frequency.
Filter type
Sets the type of crossover to be applied to this output
• LR: (Linkwitz Riley) 2nd, 4th or 8th order.
• BW: (Butterworth) 1st, 2nd or 4th order.
The references LR and BW refers to the inventors of modern crossover designs. The filter order refers to the way the
high pass and low pass outputs interact.
In setups using conventional active subwoofers, we recommend using a 2nd order Butterworth filter.
In active speaker systems, we recommend starting with a 4th order Linkwitz Riley filter.
Frequency (Hz)
Sets the crossover point for the filter type selected.
Distance
To have sub and speakers interact correctly, they must be in phase, so that the part of the music coming from the sub
arrives to the listening position at the same time as the sound from the front speakers. Measure the distances from
the preferred listening position (the focus position) to the front of the speakers.
When measuring the distance to a sub, measure from the preferred listening position to the wall or corner behind the
sub. As the sub is omnidirectional at frequencies below 80 Hz, the acoustic centre of the speaker must consider the
reflection from the wall or corner.
Always perform a new RoomPerfect™ calibration,
when you have changed settings in the Output setup.

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Introduction to RoomPerfect™
It is very difficult to design a perfect listening environment with a symmetrical setup and a perfect reverberation time
without vibrating surfaces like windows. A traditional setup of speakers requires uneven distances to back and side
walls to avoid having the reflections arrive to the listening position at the same time, as this would have a negative
effect to the frequency response. Having strong reflections after each other is though causing smearing of the sound
and reduces the overall dynamic performance.
RoomPerfect™ is designed to analyze and correct for the negative effects that the listening room has on the speaker
sound. Correcting the frequency response only, the setup of speakers should focus on having the optimal dynamic
performance by positioning all speakers as close to the back wall as possible – and the sub(s)preferably into the front
corners of the room
Other correction systems will at their best offer a range of target curves for the calibration, whereas RoomPerfect™
will identify the sound properties of your speakers and use these for the calibration.
RoomPerfect™ is therefore not just an equalizer, but in fact the only true room correction system.
Global filter
The global filter improves sound quality across the whole room. When you are moving
around a room, the global filter gives the best result.
Focus position
The focus filter improves the sound quality at a specific listening position. This makes the focus filter the best solution
for optimal sound quality at a single listening position. A total of 8 focus positions can be stored after the initial
calibration
See our website www.lyngdorf.com for more detailed information.

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RoomPerfect™ setup
The RoomPerfect™ microphone is a very sensitive and finely calibrated device which must be
treated with utmost care. If the microphone has been dropped on the floor, it may be damaged. If
this is the case, obtain a new microphone from your Lyngdorf Audio representative before
performing the system calibration.
RoomPerfect™ preparations
• Place the RoomPerfectTM calibration microphone on the stand. Be sure to fasten the screws properly so the
microphone does not move during a measurement.
• Plug the supplied microphone cable into the microphone.
• Connect the microphone cable to the TDAI-3400 using the included mini-jack connector.
Placing the microphone in the focus position
When you are prompted to place the microphone in the focus position, connect the microphone to the microphone
input on the front of the TDAI-3400 and place the microphone, using the microphone stand, in your primary listening
position. The height and the orientation of the microphone should correspond to your head’s height and direction.

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Volume setting
Press Enter and a test signal will start from the left speaker. The system will give an estimated optimal volume for
calibrating the system or will accept the current volume. Adjust the volume if required by the system and retry the
measurement.
The calibration volume should not be so loud that it is inconvenient to you, or that it causes damage to your
loudspeakers. If this is the case, set it to a lower and more appropriate level. A low volume can result in a longer
calibration time or a measurement time-out. A low volume and long measurement will not affect the quality of the
result.
Measuring the focus position
When the calibration volume has been set, RoomPerfect™ will send a range of pure tones to measure the focus
position. If there is noise in the room, the measurement may take longer. This will not affect the quality of the result.
See RoomPerfect™ troubleshooting if the measurement stops prematurely, and then retry the measurement.
Measuring random room positions
When the focus position has been measured, the next step is to measure the acoustical properties of the room. It is
important to perform well spaced measurements to get a comprehensive image of the acoustical properties of the
room. See RoomPerfect™ troubleshooting if the measurement stops prematurely.
Keep taking measurements until RoomKnowledge reaches 90%.
These are the rules of thumb when measuring the room:
• the microphone should be in random and varying positions, heights, and orientations. Point it
up/down/sideways, the more random positions the better.
• the measurements should cover the primary listening area.
• do not take measurements behind plants, furniture, etc.

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Side view of room
• the microphone should not be closer than 0.5m/1.5ft from the floor, ceiling, and walls.
• the microphone should be at least 1m/3ft from the front of the loudspeakers.
• there should be at least 50cm/1.5ft between each measurement.
• do not take symmetrical measurements in the room.
Top view of room

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Room measurements above 90% RoomKnowledge
When RoomKnowledge has reached 90%, you can decide to add room measurements or do it later. We recommend
taking a couple of measurements within 50cm/1.5ft of the walls and ceiling when above 90% RoomKnowledge.
To fully optimize the systems understanding of the room’s acoustical properties, we recommend you keep doing
measurements until the RoomKnowledge is above 95%. The higher the RoomKnowledge, the more accurate the room
correction filters will be.
Calculation of Focus and Global Filters
When room measurements are complete, the system will calculate the focus and global filters automatically.
NOTE: We recommend that you ALWAYS take a backup of TDAI-3400 settings after having performed a RoomPerfect™
calibration (see Manage Software in the Setup section)

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Voicing setup
A voicing is an equalizer filter that can be activated to amplify or attenuate certain frequencies according to your
personal preferences for use with specific sources or music genres. This equalization is an addition to speaker
equalization and the RoomPerfect™ correction filters related to the specific media.
Through the web interface voicings can be edited, deleted or added in the TDAI-3400.
Editing and adding voicings
A voicing can combine up to eight filter sections. For each section, you can choose between parametric or high and
low shelves as well as high and low-pass filters. Once the filter type is selected, you can insert a center frequency, Q
(slope), and negative gain. Then the filter, including the final voicing, is shown as a graph so that you can immediately
see the result.
Overall gain is the adjustment for having the various voicings sound as were they with the same level.