TEAC NT505 User Manual

Z
D01323020B
ENGLISH
NT-505
USB DAC/ Network Player
For information about this unit’s network functions, see the TEAC HR Streamer User’s Manual.
The Owner’s Manual and TEAC HR Streamer User’s Manual can be downloaded from the TEAC Global Site (http://www.teac-global.com/).
To use network functions and USB flash drive play­back, you must also use a tablet or smartphone that has the TEAC HR Streamer app (free) installed and is connected to the same network as the unit.
MANUAL DEL USUARIO
FRANÇAIS
ESPAÑOL
OWNER’S MANUAL
MODE D’EMPLOI
IMPORTANT SAFETY INSTRUCTIONS
CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK, DO NOT REMOVE COVER (OR BACK). NO USER­SERVICEABLE PARTS INSIDE. REFER SERVICING TO QUALIFIED SERVICE PERSONNEL.
The lightning flash with arrowhead symbol, within an
<
B
WARNING: TO PREVENT FIRE OR SHOCK HAZARD, DO NOT EXPOSE THIS APPLIANCE TO RAIN OR MOISTURE.
CAUTION
o DO NOT REMOVE THE EXTERNAL CASES OR CABINETS TO EXPOSE
THE ELECTRONICS. NO USER SERVICEABLE PARTS ARE INSIDE.
o IF YOU ARE EXPERIENCING PROBLEMS WITH THIS PRODUCT,
CONTACT THE STORE WHERE YOU PURCHASED THE UNIT FOR A SERVICE REFERRAL. DO NOT USE THE PRODUCT UNTIL IT HAS BEEN REPAIRED.
o USE OF CONTROLS OR ADJUSTMENTS OR PERFORMANCE OF
PROCEDURES OTHER THAN THOSE SPECIFIED HEREIN MAY RESULT IN HAZARDOUS RADIATION EXPOSURE.
equilateral triangle, is intended to alert the user to the presence of uninsulated “dangerous voltage” within the product’s enclosure that may be of sufficient magni­tude to constitute a risk of electric shock to persons.
The exclamation point within an equilateral triangle is intended to alert the user to the presence of important operating and maintenance (servicing) instructions in the literature accompanying the appliance.
1) Read these instructions.
2) Keep these instructions.
3) Heed all warnings.
4) Follow all instructions.
5) Do not use this apparatus near water.
6) Clean only with dry cloth.
7) Do not block any ventilation openings. Install in accordance with the manufacturer’s instructions.
8) Do not install near any heat sources such as radiators, heat registers, stoves, or other apparatus (including amplifiers) that produce heat.
9) Do not defeat the safety purpose of the polarized or grounding­type plug. A polarized plug has two blades with one wider than the other. A grounding type plug has two blades and a third grounding prong. The wide blade or the third prong are pro­vided for your safety. If the provided plug does not fit into your outlet, consult an electrician for replacement of the obsolete outlet.
10) Protect the power cord from being walked on or pinched par­ticularly at plugs, convenience receptacles, and the point where they exit from the apparatus.
11) Only use attachments/accessories specified by the manufacturer.
12) Use only with the cart, stand, tripod, bracket, or table specified by the manufac­turer, or sold with the apparatus. When a cart is used, use caution when moving the cart/apparatus combination to avoid injury from tip-over.
13) Unplug this apparatus during lightning storms or when unused for long periods of time.
14) Refer all servicing to qualified service personnel. Servicing is required when the apparatus has been damaged in any way, such as power-supply cord or plug is damaged, liquid has been spilled or objects have fallen into the apparatus, the apparatus has been exposed to rain or moisture, does not operate nor­mally, or has been dropped.
o The apparatus draws nominal non-operating power from the
AC outlet with its POWER or STANDBY/ON switch not in the ON position.
o The mains plug is used as the disconnect device; the disconnect
device shall remain readily operable.
o Caution should be taken when using earphones or headphones
with the product because excessive sound pressure (volume) from earphones or headphones can cause hearing loss.
2
CAUTION
o Do not expose this apparatus to drips or splashes. o Do not place any objects filled with liquids, such as vases, on
the apparatus.
o Do not install this apparatus in a confined space such as a
book case or similar unit.
o The apparatus should be located close enough to the AC
outlet so that you can easily reach the power cord plug at any time.
o If the product uses batteries (including a battery pack or
installed batteries), they should not be exposed to sunshine, fire or excessive heat.
o CAUTION for products that use replaceable lithium batter-
ies: there is danger of explosion if a battery is replaced with an incorrect type of battery. Replace only with the same or equivalent type.
WARNING
Products with Class ! construction are equipped with a power supply cord that has a grounding plug. The cord of such a prod­uct must be plugged into an AC outlet that has a protective grounding connection.
IN USA/CANADA, USE ONLY ON 120 V SUPPLY.
For European Customers
Disposal of electrical and electronic equipment and batteries and/or accumulators
a) All electrical/electronic equipment and waste batteries/
accumulators should be disposed of separately from the municipal waste stream via collection facilities designated by the government or local authorities.
b) By disposing of electrical/electronic equipment and waste
batteries/accumulators correctly, you will help save valuable resources and prevent any potential negative effects on human health and the environment.
c) Improper disposal of waste electrical/electronic equipment
and batteries/accumulators can have serious effects on the environment and human health because of the presence of hazardous substances in the equipment.
d) The Waste Electrical and Electronic Equipment (WEEE)
symbols, which show wheeled bins that have been crossed out, indicate that electrical/electronic equip­ment and batteries/accumulators must be collected and disposed of separately from household waste. If a battery or accumulator contains more than the specified values of lead (Pb), mercury (Hg), and/or cadmium (Cd) as defined in the Battery Directive (2006/66/EC), then the chemical symbols for those elements will be indicated beneath the WEEE symbol.
e) Return and collection systems are available to end users. For
more detailed information about the disposal of old electri­cal/electronic equipment and waste batteries/accumulators, please contact your city office, waste disposal service or the shop where you purchased the equipment.
Pb, Hg, Cd
EN
V
Precautions concerning batteries
Misuse of batteries could cause them to rupture or leak leading to fire, injury or the staining of nearby things. Please read and observe the following precautions carefully.
o Be sure to insert the batteries with correct positive (¥) and
negative (^) orientations.
o Use batteries of the same type. Never use different types of bat-
teries together.
o If the remote control is not used for a long time (more than a
month), remove the batteries to prevent them from leaking.
o If the batteries leak, wipe away the leakage inside the battery
compartment and replace the batteries with new ones.
o Do not use batteries of types other than those specified. Do not
mix new batteries with old ones or use different types of batter­ies together.
o Do not heat or disassemble batteries. Never throw batteries into
fire or water.
o Do not carry or store batteries with other metallic objects. The
batteries could short circuit, leak or explode.
o Never recharge a battery unless it is confirmed to be a recharge-
able type.
The nameplate is located on the bottom of the unit as shown below.
Front side
Nameplate
3
Wireless equipment precautions
Compliance of radio transmitter and interference
Model for USA
Declaration of Conformity
Responsible party: TEAC AMERICA, INC. Address: 1834 Gage Road, Montebello, California, U.S.A. Telephone number : 1-323-726-0303 This device complies with Part.15 of 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 interference that may cause undesired operation.
Labeling of authorization FCC ID: XEG-NT505
Model for Canada
Compliance of radio transmitter This device complies with Industry Canada’s licence-exempt RSSs. Operation is subject to the following two conditions:
1) This device may not cause interference; and
2) This device must accept any interference, including interference that may cause undesired operation of the device.
Labeling of authorization IC: 1559C-NT505
CAUTION
Authorization of wireless devices are different in countries or regions. Please use only in the country where you purchased the product.
o Depending on the country, restrictions on the use of Bluetooth
wireless technology might exist.
Confirm the laws and regulations of the country or region where you want to use the unit before use.
Radiation Exposure requirements
This equipment meets the regulation, which is recognized interna­tionally, for the case of human exposure to radio waves generated by the transmitter.
Statement of compliance Model for USA
This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment and meets the FCC radio fre­quency Exposure Guidelines.
Model for Canada
This equipment complies with IC RSS-102 radiation exposure limits set forth for an uncontrolled environment.
Model for EEA (European Economic Area)
This equipment complies with EN.62311; Assessment of electronic and electrical equipment related to human exposure restrictions for elec­tromagnetic fields; the harmonised standard of DIRECTIVE 2014/53/EU.
Compliance of interference
This Class B digital apparatus complies with Canadian ICES-003. This equipment complies with FCC/IC radiation exposure limits set
forth for an uncontrolled environment and meets the FCC radio frequency (RF) Exposure Guidelines and RSS-102 of the IC radio frequency (RF) Exposure rules. This equipment has very low levels of RF energy that it deemed to comply without maximum permis­sive exposure evaluation (MPE). But it is desirable that it should be installed and operated keeping the radiator at least 20cm or more away from person’s body (excluding extremities: hands, wrists, feet and ankles).
Model for EEA (European Economic Area)
This product has the function of broadband transmitter using
2.4GHz Band.
Use frequency range: 2400MHz – 2480MHz Maximum output power: Bluetooth® Class 2 (less than 2.5 mW)
Hereby, TEAC Corporation declares that the radio equipment type is in compliance with Directive 2014/53/EU., and the other Directives, and Commission Regulations.
The full text of the EU declaration of conformity is available at the following internet address. Please contact us by e-mail. http://www.teac-audio.eu/en/
TEAC Corporation 1-47 Ochiai, Tama-shi, Tokyo, 206-8530, Japan
CAUTION
Changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment.
Information for interference (FCC requirements)
This equipment 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 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 or more of the following measures.
o Reorient or relocate the equipment and/or the receiving
antenna. o Increase the separation between the equipment and receiver. o Connect the equipment into an outlet on a circuit different from
that to which the receiver is connected. o Consult the dealer or an experienced radio/TV technician for
help.
4

Trademarks and copyrights

Contents
“DSD” is a registered trademark.
The Bluetooth® word mark and logos are registered trademarks owned by Bluetooth SIG, Inc. and any use of such marks by TEAC CORPORATION is under license.
Qualcomm aptX is a product of Qualcomm Technologies International, Ltd.
Qualcomm is a trademark of Qualcomm Incorporated, registered in the United States and other countries, used with permission. aptX is a trademark of Qualcomm Technologies International, Ltd., registered in the United States and other countries, used with permission.
Microsoft and Windows are either registered trademarks or trade­marks of Microsoft Corporation in the United States and/or other countries.
Apple, Mac, OS X, macOS, iPad, iPhone and iPod touch are trademarks of Apple Inc., registered in the U.S. and other countries.
App Store is a service mark of Apple Inc.
Android is a trademark of Google Inc.
LDAC™ and LDAC logo are trademarks of Sony Corporation.
Bulk Pet is a registered trademark of INTERFACE CO., LTD.
Thank you for choosing TEAC. Read this manual carefully to get the best performance from this unit. After reading it, keep it in a safe place for future reference.
EN
ATTENTION
o For information about this unit’s network functions, see the TEAC
HR Streamer User’s Manual.
o The Owner’s Manual and TEAC HR Streamer User’s Manual can be
downloaded from the TEAC Global Site (http://www.teac-global. com/).
o To use network functions and USB flash drive playback, you must
also use a tablet or smartphone that has the TEAC HR Streamer app (free) installed and is connected to the same network as the unit.
IMPORTANT SAFETY INSTRUCTIONS ...............................2
Wireless equipment precautions ...................................4
Trademarks and copyrights ........................................5
Included accessories ...............................................6
Before use .........................................................6
Other company names, product names and logos in this document are the trademarks or registered trademarks of their respective owners.
Information about copyrights and licensing related to open-source software is provided in the separate “Important Notice Regarding Software” document.
Using the TEAC Global Site .........................................6
Product registration ...............................................6
Downloading the remote app .....................................6
Maintenance ......................................................6
Network connections ..............................................7
Connections (rear panel) ...........................................8
Connections (front panel) .........................................10
Connecting headphones .........................................11
Using the remote control .........................................11
Names and functions of parts (main unit) .........................12
Upconversion ....................................................13
Names and functions of parts (remote control) ....................14
Display ...........................................................15
Basic operation ...................................................17
Bluetooth® wireless technology ...................................18
Settings ..........................................................21
Playing back music on a computer ................................25
Troubleshooting ..................................................27
Specifications .....................................................28
5

Included accessories Maintenance

Check to be sure the box contains all the included items shown below. Please contact the store where you purchased this unit if any of these items are missing or have been damaged during transportation.
Power cord × 1
RCA conversion (RCA to mini plug) cable × 1
Remote control (RC-1330) × 1
Batteries for remote control (AAA) × 2
Owner’s manual (this document, including warranty) × 1
o For information about the warranty, users living in the USA and
Canada should see pages 86–87 and the back cover (war­ranty document). Users living in Europe and other regions should see page87.
o The TEAC HR Streamer User’s Manual can be downloaded from
the TEAC Global Site (http://www.teac-global.com/).

Before use

V
Placement precautions
o Do not install this unit in a location that could become hot.
This includes places that are exposed to direct sunlight or near a radiator, heater, stove or other heating equipment. Moreover, do not place it on top of an amplifier or other equipment that generates heat. Doing so could cause discoloration, deformation or malfunction.
Wipe dirt from the top cover and other panel surfaces using a soft cloth that has been slightly dampened with a diluted neutral cleanser. Do not wipe with chemical cleaning cloths, thinner or other chemi­cal agents. Doing so could damage the surface.
V
For your safety, disconnect the power cord from the outlet before cleaning.

Using the TEAC Global Site

You can download updates for this unit from the TEAC Global Site:
http://teac-global.com/
1) Open the TEAC Global Site.
2) In the TEAC Downloads section, click the desired language to open the Downloads website page for that language.
NOTE
If the desired language does not appear, click Other Languages.
3) Click the “Search by Model Name” section to open the Downloads page for that product. (Users in Europe should click the product name in the “Products” section instead.)
4) Select and download the updates that are needed.

Product registration

o Avoid locations that are extremely cold or exposed to excessive
humidity or dust.
o When installing this unit, leave a little space (at least 3 cm or 1")
between it and walls and other devices in order to allow good heat dissipation. If you put it in a rack, for example, leave at least 5 cm (2") open above it and at least 10 cm (4") open behind it. Failure to provide these gaps could cause heat to build up inside and result in fire.
o The voltage supplied to the unit should match the voltage
printed on the rear panel. If you are in any doubt regarding this matter, consult an electrician.
o Do not move the unit during use.
o Do not open the body of the unit because this could result in
damage to the circuitry or cause electric shock. If a foreign object should enter the unit, contact your dealer.
o When removing the power plug from the wall outlet, always pull
directly on the plug; never yank on the cord.
Customers in the USA, please visit the following TEAC website to register your TEAC product online.
http://audio.teac.com/support/registration/

Downloading the remote app

To use the network functions and USB flash drive playback functions of this unit, you must also use a smartphone or tablet that has the TEAC HR Streamer app (free) installed and is connected to the same network as the unit.
o For details, see the TEAC HR Streamer User’s Manual.
The TEAC HR Streamer User’s Manual can be downloaded from the TEAC Global Site (http://www.teac-global.com/).
How to download the iPad/iPhone/iPod touch app
Search for “TEAC HR Streamer” in the App Store.
o Release is planned for an Android version (as of January 2018).
See the product website for details.
6

Network connections

Connection example
NAS
a
NT-505
d
To Internet
LAN cable
Wi-Fi™ router
b
o The Wi-Fi router must be connected to the
Internet when installing apps on the iPad, iPhone or other device, when updating the NET firmware of this unit, and when listening to Internet radio.
iPad, iPhone, etc.
c
EN
a NAS (Network Attached Storage)
Use to store audio files. Operation as a UPnP server is necessary to use it as a media server. MinimServer is the media server recommended for use with this unit.
b Wi-Fi™ router
Use Wi-Fi to connect the iPad, iPhone or other device to this unit and the NAS.
c iPad, iPhone, etc.
Install the app to control this unit.
d NT-505
This unit. The IP address is acquired from the DHCP server.
7
Digital audio output
device
Digital audio output
device
Device that outputs
clock signal
Digital output
(OPTICAL)
A B
Optical digital cable
CLOCK SYNC OUTDigital output
(COAXIAL)
RCA coaxial digital cable
BNC coaxial cable
C D
Connect cables for the pair set for line output (page23). Sound will only be output from the selected pair.
If headphones are connected, sound will stop being output from the rear panel connectors.
The polarity of the XLR connec­tors can be set so that either 2 or 3 is HOT (page23).
If you want to be able to control the volume from the amplifier, set LINE OUT LEVEL to “FIXED 0dB” or “FIXED +6dB” (page23).
XLR cables
LRLR
Audio input
(LINE IN, etc.)
Stereo amplifier or
powered speakers
Connect a set of cables of one type or the other.
RCA audio cables
FE G
USB cable
Computer
H
Included power cord
Install the dedicated driver on the computer before connecting this unit to it (page25).
c
Wall outlet
8
A ETHERNET port
Connect a commercially-available LAN cable to this port when you want to connect this unit to a wired network or the Internet.
o When switching input sources, this port is labeled “NET”.
B OPTICAL digital audio input connector
Use this to input digital audio. Connect the optical digital audio output connector of an audio device to it.
Use a commercially-available optical digital cable with a square connector (TOSLINK) for connection.
C RCA COAXIAL digital audio input connector
Use this to input digital audio. Connect the coaxial digital audio output connector of an audio device to it.
Use a commercially-available RCA coaxial digital cable for connection.
D CLOCK SYNC input (10MHz IN) connector
Use this to input a synchronization signal (clock sync). To input a 10MHz oscillator signal, connect the oscillator output here (page29).
Use a commercially available BNC coaxial cable for connection.
o Clock sync is only possible when the input source is USB or
NET (including USB flash drives).
F USB port (rear)
Use this to input digital audio from a computer. Connect it to a computer’s USB port.
Use a commercially-available USB2.0 cable (A-B type) for this connection.
ATTENTION
Before connecting a computer that is running a Windows OS, you must install the dedicated driver on the computer (page25). Proper connection is not possible with a computer that does not have this driver installed.
G Maintenance port
This is used for maintenance. Do not connect anything to this port unless instructed to do so by our service department.
H Power inlet (~IN)
Connect the supplied power cord here. After all other connections are complete, connect the power cord’s plug to a wall outlet.
V
Do not use any power cord other than the one included with this unit. Use of other power cords could result in fire or electric shock.
V
Unplug the cord from the outlet when not using the unit for a long time.
EN
E Analog audio output (LINE OUT) connectors
These output 2 channels of analog audio. Connect these XLR or RCA connectors to a stereo amplifier or powered speakers.
Use commercially available cables for connections.
XLR: balanced XLR cables RCA: RCA audio cables
Connect this unit’s R connector to the R connector of the amplifier and its L connector to the L connector of the amplifier.
o See “Line output” on page23 for analog output settings.
V
Complete all other connections before turn­ing the unit on.
o Carefully read the manuals of the devices that you are
connecting and follow their instructions when making connections.
o Do not bundle connecting cables with power cords.
Doing so could cause noise.
o Connect all plugs completely.
9

Connections (front panel)

USB flash drives
Connect USB flash drives to the USB port on the front of the unit. To play music files on a USB flash drive, set the input source to NET and use the app for playback.
o For details, see the TEAC HR Streamer User’s Manual.
Coaxial (COAX) connection
Use the included RCA conversion cable and a commercially­available RCA coaxial digital cable.
To enable this input, turn the SOURCE knob to select COAXIAL2.
RCA conversion cable
Digital audio input (OPT/COAX IN)
This input connector can be used for both optical (OPT) and coaxial (COAX) connections.
Optical (OPT) connection
Use a commercially-available optical cable with a mini plug.
To enable this input, turn the SOURCE knob to select OPTICAL2.
Optical mini plug
RCA coaxial digital cable
10

Connecting headphones

V
CAUTION
While wearing headphones, do not connect or disconnect them or turn the unit on or off. Doing so could result in a sudden loud noise that could harm your hearing.
Before putting headphones on, always set the volume to minimum (display should show “0” when set to “STEP (0-99)” or “−∞ dB” when set to “dB”) (page17).

Using the remote control

Precautions for use
V
Misuse of batteries could cause them to rupture or leak, which might result in fire, injury or the staining of nearby materials. Please carefully read and observe the precautions on page3.
o When using the remote control, point it toward the remote con-
trol signal receiver on the main unit from a distance of 5 m (16 ft) or less. Do not place obstructions between the main unit and the remote control.
o The remote control might not work if the remote control signal
receiver on the unit is exposed to direct sunlight or bright light. If this occurs, try moving the unit.
o Beware that use of this remote control could cause the unin-
tentional operation of other devices that can be controlled by infrared rays.
Installing batteries
Remove the cover from the back of the remote control and insert two AAA batteries with their ¥/^ oriented as shown in the case. Replace the cover.
EN
When to replace batteries
If the distance required between the remote and the main unit decreases or if the unit stops responding to the remote buttons, replace both batteries with new ones. Dispose of the used batteries according to the instructions on them or requirements set by your local municipality.
11

Names and functions of parts (main unit)

A B C D E F G H I J
A POWER switch
Use to turn the unit on and off.
o If the display is dark even though the POWER switch is set to
ON, the cause is usually one of the following.
o The power is on, but DIMMER (display brightness) is set
to OFF (page24).
o The automatic power saving function has put the unit
into standby.
o The power cord is disconnected.
To turn the unit on, press the STANDBY/ON button on the remote control, or set the POWER switch to OFF once and then back to ON.
B CLOCK indicator
This shows the clock synchronization status.
Lit: The unit is synchronized with the clock from the
CLOCK SYNC input (10MHz IN) connector.
Blinking: No clock is being input or the unit is not being
synchronized.
Unlit: No clock sync is occurring.
o Clock sync is only possible when the input source is USB or
NET (including USB flash drives).
o See page23 for clock sync settings.
D SOURCE knob
Use to select the input source. Use to change setting values when a menu item is shown.
Press to use as an ENTER button. Turn when the menu is open to change the item shown or the setting value.
E MENU button
Press to enter setting mode (page21). Press when in setting mode to return to the previous screen.
F Remote control signal receiver
This receives signals from the remote control. When operating the remote control, point it at the remote control signal receiver.
G USB port (front)
Connect USB flash drives here.
o To play music files on a USB flash drive, set the input source
to NET and use the app for playback.
o Do not connect a computer to the USB port on the front of
the unit. To input audio from a computer, connect it to the USB port on the back of the unit.
o For details, see the TEAC HR Streamer User’s Manual.
C Digital audio input (OPT/COAX IN) connector
Use to input digital audio (page10).
Optical connection: Use an optical cable with a mini plug. Coaxial connection: Use the included RCA conversion cable.
12

Upconversion

H PHONES jack
Connect headphones with a 3.5mm (1/8") stereo mini plug here (page11).
o This headphone amp circuit uses a four-pole connector with
independent left and right for grounding. Ordinary plugs with 3 or 4 poles can be used.
o When headphones are connected to this unit, headphone
output will be turned on and audio will stop being output from the analog audio output (LINE OUT) connectors on the rear panel.
Wiring illustration
L+ R+ L− R−
I Display
You can use the upconversion function with all input sources (page22).
The relationships between input sampling frequencies and sampling frequencies after upconversion are as follows.
Input source Upconversion setting
Digital
audio
input
Input sampling
frequency
32 32 64 128 256 8.1 16.3
44.1 44.1 44.1 88.2 176.4 352.8 11.2 22.5
88.2 88.2 88.2 88.2 176.4 352.8 11.2 22.5
176.4 176.4 176.4 176.4 176.4 352.8 11.2 22.5
352.8 352.8 352.8 352.8 352.8 11.2 22.5
705.6 705.6 705.6 705.6 705.6 11.2 22.5 48 48 48 96 192 384 12.2 24.5 96 96 96 96 192 384 12.2 24.5
192 192 192 192 192 384 12.2 24.5
384 384 384 384 384 12.2 24.5
768 768 768 768 768 12.2 24.5
USB OFF 2Fs 4Fs 8Fs
Sampling frequency after upconversion
[kHz] [kHz] [MHz]
DSD
256
DSD
512
EN
This display shows information about the audio playing back and menu screens.
J VOLUME knob
Use to adjust the volume. Turn right to increase and left to decrease the volume.
o To enable adjustment of this unit’s analog audio output
volume, set LINE OUT LEVEL to VARIABLE (“Line output level” on page23). This will enable adjustment of the analog output level using this unit’s VOLUME knob.
o Volume settings are retained separately for analog audio
output and headphone output.
These values are not converted.
o The maximum upconversion is 8Fs. o Upconversion is not possible when the input is DSD.
13

Names and functions of parts (remote control)

a STANDBY/ON button
Press to put the unit into standby mode or turn it on.
a
b
d
e
g
b Input selection buttons
Use to select the playback source.
o The LINE button has no function.
c INFO button
Press to show information, including upconversion (page16).
c
h
i
d UPCONVERT button
Press to change the upconversion setting.
j
k
l
m
f
e FILTER button
Press to change the filter setting. This changes the filter according to the input (PCM or DSD).
f MUTE button
Press to minimize the volume.
g DIMMER button
Press to adjust the brightness of the main unit’s display.
h HEADPHONE button
Press to turn headphone output on and off. When headphone output is turned off, sound is output from the analog audio output (LINE OUT) connectors.
i DISPLAY button
j MENU button
Press to enter setting mode (page21). Press when in setting mode to return to the previous screen.
k Up/down (k/j) buttons
Use to select setting items.
l ENTER button
Press to confirm the selected item.
m VOLUME (+/−) buttons
Use to adjust the volume.
When the main unit and the remote control both have buttons with the same functions, this manual explains how to use one of the buttons. The other corresponding button can be used in the same manner.
14

Display

When on
Z
c
NT-505
NETWORK PLAYER
After the above messages appear, the input source will be shown on the display.
Playback source information
The playback source information display will appear after turning the unit on as well as after about 7 seconds pass without operation when a setting screen is open.
The input signal format or volume is shown to the right of the playback source. Press the DISPLAY button on the remote control to change what is shown.
Playback source name
This shows the name of the selected source. The names on the display correspond to the selected connectors as follows. The names in parentheses appear when switching.
USB (USB)
USB port on the rear panel
COAX1 (COAXIAL 1)
RCA COAXIAL digital audio input connector on the rear panel
COAX2 (COAXIAL 2)
Coaxial connection with the digital audio input (OPT/COAX IN) on the front panel
OPT1 (OPTICAL 1)
OPTICAL digital audio input connector on the rear panel
OPT2 (OPTICAL 2)
Optical connection with the digital audio input (OPT/COAX IN) on the front panel
NET (NETWORK)
ETHERNET port
Bluetooth (Bluetooth)
Bluetooth device
EN
Display example
Playback source information displayed
Stopped
Playback source
USB
Shown when the connection is being checked
Playing back
Input signal format
PCM
USB
Press the DISPLAY button on the remote control.
Volume display
44.1k
Sampling frequency
check
Input signal status
This shows the input source signal status.
Check
The connection is being checked.
PCM 32kHz PCM 44.1kHz PCM 48kHz PCM 88.2kHz PCM 96kHz PCM 128kHz PCM 176.4kHz PCM 192kHz PCM 256kHz PCM 352.8kHz PCM 384kHz PCM 705.6kHz PCM 768kHz DSD 2.8MHz DSD 5.6MHz DSD 11.2MHz DSD 22.5MHz
These show the input signal type and sampling frequency.
USB
−45.5dB
Volume
15
36
Display (continued)
-62
Upconversion information displayed
Press the INFO button during playback to show input signal upcon­version information.
o The input signal and playback signal displays will be the same
when the upconversion setting is “OFF”.
Example when the playback source is USB, COAX1, COAX2, OPT1, OPT2 or NET
Input signal format
PCM DSD
44. 1kHz
Input signal sampling frequency
Example when the playback source is Bluetooth
Codec
LDAC PCM
44. 1kHz
Playback signal format
11. 2MHz
Playback sampling frequency
Playback signal
format
352. 8kHz
VOLUME TYPE set to “dB”
Display example
VOL.
The maximum volume level is 0 and the minimum level is −∞ (negative infinity). Before connecting headphones, set the VOLUME knob to its minimum value (−∞). Failure to do so might cause sudden loud noises, which could harm your hearing or result in other trouble.
The set output level is shown when LINE OUT LEVEL is set to “FIXED 0dB” or “FIXED +6dB”.
Example when VOLUME TYPE set to “dB”
USB
o If VOLUME TYPE is set to “STEP (0-99)”, “VOL. 85” will be shown
when set to “FIXED 0dB” and “VOL. 89” will be shown when set to “FIXED +6dB”.
When headphones are not connected and LINE OUT LEVEL is set to “OFF”, “VOL. 0” or “−∞ dB” will be shown.
.0dB
+ 0.0
dB
Input signal sampling frequency
Playback sampling frequency
Volume display
Two types of volume can be shown: STEP and dB. This is set by the VOLUME TYPE setting (page24).
The volume setting shown will be enlarged when you turn this unit’s VOLUME knob.
VOLUME TYPE set to “STEP (0-99)”
Display example
VOL.
The maximum volume level is 99 and the minimum level is 0. Before connecting headphones, set the VOLUME knob to its minimum value (0). Failure to do so might cause sudden loud noises, which could harm your hearing or result in other trouble.
Example when VOLUME TYPE set to “dB”
USB
When headphones are not connected and LINE OUT LEVEL is set to FIXED or OFF
Turning the VOLUME knob will cause the following to be displayed.
LINE OUT LEVEL set to FIXED
VOL.
LINE OUT LEVEL set to OFF
VOL.
− ∞ dB
FIXED
OFF
16

Basic operation

1 Shift the POWER switch to its ON position to
turn the unit on.
o If a stereo amplifier is connected to this unit, always turn its
power ON very last.
2 Turn the SOURCE knob to select the input
source.
3 Operate the playback device.
Refer to the operation manual of that device.
EN
4 Adjust the volume.
When using the line outputs
When LINE OUT LEVEL is set to VARIABLE, turn this unit’s VOLUME knob to adjust the volume. When LINE OUT LEVEL is set to any other setting, the volume cannot be adjusted from this unit. Use the stereo amplifier or other device connected to this unit to adjust the volume.
When headphones are connected to this unit
Turn this unit’s VOLUME knob to adjust the volume.
o When this unit’s VOLUME knob is enabled, the volume set-
ting will be shown.
The selected source appears on the display.
o You can also use the input selection buttons on the remote
control.
o If the input signal is not a digital audio signal or is an audio
signal format that is not supported by this unit, such as Dolby Digital or DTS, no audio will be output. Set the digital output of the connected device to PCM audio output.
o To play back audio files when this unit is set to USB, you
must first install a dedicated driver on the computer before connecting them (page25).
o DSD data can only be played back when the input source is
USB or NET (including USB flash drives) or when using DoP format digital input.
o To use NET or the front USB port, install the TEAC HR Streamer
(free) on a smartphone or tablet, and connect it to the same network as the unit.
17
Bluetooth® notes
When using this unit with a mobile phone or other Bluetooth devices, they should be no more than about 10 m (33 ft) apart. Depending on the circumstances of use, however, the effective transmission distance might be shorter. Wireless communication with every device that supports Bluetooth wireless technology is not guaranteed. To determine the compatibility between this unit and another device that supports Bluetooth wireless technology, refer to that device’s operation manual or contact the shop where you purchased it.
NOTE
o You cannot select the codec to be used by pressing a button, for
example.
o Due to characteristics of Bluetooth wireless technology, playback
from a Bluetooth device will be slightly delayed compared to playback from this unit.
Content protection
This unit supports SCMS-T as a form of content protection when transmitting audio, so it can play protected audio.
Profiles
This unit supports the following Bluetooth profiles.
o A2DP (Advanced Audio Distribution Profile)
o AVRCP (Audio/Video Remote Control Profile) In order to transfer audio using Bluetooth wireless transmission, the Bluetooth device must support A2DP. In order to control playback on the Bluetooth device, it must support AVRCP. Even if a Bluetooth device supports the same profiles, though, its functions might differ according to its specifications.
Codecs
This unit supports the following codecs. It will automatically select one of them during audio transfer.
o SBC
o AAC
o Qualcomm® aptX™
o Qualcomm® aptX™ HD
o LDAC
The unit will select the appropriate codec to use according to the codec compatibility of the other Bluetooth device and communica­tion conditions.
Transmission security
This unit supports security functions during Bluetooth wireless transmission in accordance with the Bluetooth standard specifica­tions, but it does not guarantee the privacy of such transmissions. TEAC CORPORATION will bear no responsibility should an informa­tion leak occur during Bluetooth wireless transmission.
LDAC is an audio coding technology developed by Sony that enables the transmission of High-Resolution (Hi-Res) Audio content, even over a Bluetooth connection. Unlike other Bluetooth compatible coding technologies such as SBC, it operates without any down-conversion of the Hi-Res Audio content*, and allows approximately three times more data** than those other technologies to be transmitted over a Bluetooth wireless network with unprecedented sound quality, by means of efficient coding and opti­mized packetization.
* excluding DSD format contents ** in comparison with SBC (Subband Coding) when the bitrate of
990kbps (96/48 kHz) or 909kbps (88.2/44.1 kHz) is selected
18
Pairing with another Bluetooth device
Pairing this unit with another Bluetooth device is necessary the first time it is used and when connecting to a different Bluetooth device for the first time.
1 Turn the SOURCE knob to select Bluetooth.
Bluetooth
check
2 Enable Bluetooth transmission on the other
Bluetooth device.
3 Press and hold the SOURCE knob to enter pair-
ing mode.
PAIRING. . .
Playback from a Bluetooth device
o Pair this unit the first time you use it and when you want to
connect it with a different Bluetooth device for the first time (page19).
o When pairing or connecting with another Bluetooth device,
they should be within a few meters of each other. If they are too far apart, pairing and connection afterwards might become impossible.
1 Enable Bluetooth transmission on the other
Bluetooth device.
2 Turn the SOURCE knob to select Bluetooth.
This sets the source to Bluetooth.
o You can also use the Bluetooth button on the remote control.
Display example
Bluetooth
check
EN
o “PAIRING…” blinks when pairing.
4 On the other Bluetooth device, select “NT-505”
(this unit).
After this unit enters pairing mode, pair with it from the other Bluetooth device. For details, refer to the operation manual of that Bluetooth device.
After connection, the display will show the name of the con­nected device, followed by the input source.
Display example
CONNECTED TO iPhone 001
c
Bluetooth
VOL. 6
c
CONNECTED TO iPhone 001
c
Bluetooth
This unit will search for paired devices and automatically con­nect to one if found.
ATTENTION
Depending on the source device, you might also need to con­duct connection operations on it. If you are unable to connect it successfully, refer to the opera­tion manual of the source device.
VOL. 6
19
Bluetooth® wireless technology (continued)
Changing the connected device
1 Press the SOURCE knob to show DEVICE SELECT.
The bottom line of the display shows the name of the last con­nected device.
Display example
MENU
DEVICE SELECT Player_1
Name of last connected device
2 Turn the SOURCE knob to show already paired
Bluetooth devices.
o The unit can remember a maximum of eight device pairings. o If no paired device is available, the display will appear as
follows.
MENU
DEVICE SELECT NO PAIRED DEVICE
4 Start playback on the other Bluetooth device.
o Confirm that the volume is turned up on the other Bluetooth
device. If you do not turn up the volume on the playback device, no sound might be output from this unit.
NOTE
Press and hold the MENU button to clear a paired device.
o Press and hold the ENTER button to enter pairing mode
(page19). o The first 16 characters of the device name are shown. o If characters other than English letters and numbers are
included in the device name, it will not be shown properly.
3 Press the SOURCE knob to connect.
After connection, the display will show the input source.
ATTENTION
Regardless of the connection status of this unit and the other Bluetooth device, if the input source is not shown, restart both this unit and the other device and then connect them again.
NOTE
Depending on the source device, you might also need to con­duct connection operations on it. If you are unable to connect it successfully, refer to the opera­tion manual of the source device.
20

Settings

1 Press the MENU button to open the menu
screen.
2 Turn the SOURCE knob to show the item that
you want to set.
3 Press the SOURCE knob.
EN
o You can also press the ENTER button on the remote control. o The currently set value is shown on the display.
4 Turn the SOURCE knob to change the setting
value.
o You can also use the up and down (k, j) buttons on the
remote control.
o Press the MENU button to return to setting item selection.
o You can also use the up and down (k, j) buttons on the
remote control.
The menu items appear in the following order.
UPCONVERT
DIGITAL FILTER(PCM)
DIGITAL FILTER(DSD)
CLOCK SYNC
LINE OUT SELECT
LINE OUT LEVEL
DIMMER
5 Press the SOURCE knob.
o You can also press the ENTER button on the remote control.
6 When you are done changing settings, press
the MENU button to show the input source sta­tus again.
o If you do not do anything for about 7 seconds, the display
will return to showing the input source status.
VOLUME TYPE
DISPLAY TYPE
AUTO POWER SAVING
Version info
21
Settings (continued)
Upconversion
Use to activate the upconversion circuit when receiving PCM signals.
o See page 13 for the relationships between input sampling fre-
quencies and sampling frequencies after upconversion.
MENU
UPCONVERT OFF
OFF
The original input signal is sent directly to the D/A converter without upconversion.
2× Fs
If the input audio signal is less than 2× a standard sampling fre­quency, it is upconverted 2× and then sent to the D/A converter.
4× Fs
If the input audio signal is less than 4× a standard sampling fre­quency, it is upconverted 4× and then sent to the D/A converter.
8× Fs
If the input audio signal is less than 8× a standard sampling fre­quency, it is upconverted 8× and then sent to the D/A converter.
DSD 256 DSD 512
The input source is converted to DSD digital format, and then sent to the D/A converter.
PCM digital filter
This sets the type of digital filter used when converting PCM signals from digital to analog.
MENU
DIGITAL FILTER(PCM) OFF
Slow roll off
An FIR filter with a slow roll-off is used to gently cut signals out­side the audio band.
Sharp roll off
An FIR filter with a steep roll-off is used to sharply cut signals out­side the audio band.
Short Delay Slow
A short delay filter with a slow roll-off is used to gently cut signals outside the audio band.
Short Delay Sharp
A short delay filter with a steep roll-off is used to sharply cut sig­nals outside the audio band.
Low dispersion
A short delay filter with low dispersion that improves lag charac­teristics in high frequencies is used.
OFF
No digital filter is used.
o When receiving signals at 352.8kHz, 384kHz, 705.6kHz or 768kHz,
the digital filter will be disabled during playback regardless of this setting.
Note about the digital filter during PCM playback
FIR-type digital filters
This type of filter has an established reputation for sound quality and features tonal quality with both dense, rich sound reverbera­tions and crisp sound transients.
Short Delay-type digital filters
This type of filter has no pre-echo in the impulse response and features natural sound attack and reverberation for a tonal qual­ity that is close to the original.
22
DSD digital filter
This sets the type of digital filter used when converting DSD signals from digital to analog.
MENU
DIGITAL FILTER(DSD) WIDE
NARROW
The cutoff frequency will be set according to the DSD signal as follows.
DSD signal Cutoff frequency
2.8 MHz 39 kHz
5.6 MHz 78 kHz
11.2 MHz 156 kHz
22.5 MHz 312 kHz
WIDE
The cutoff frequency will be set according to the DSD signal as follows.
DSD signal Cutoff frequency
2.8 MHz 76 kHz
5.6 MHz 152 kHz
11.2 MHz 304 kHz
22.5 MHz 608 kHz
Line output
Use to select the connectors that output analog audio.
o Output through both the RCA connectors and the XLR connec-
tors at the same time is not possible.
MENU
LINE OUT SELECT RCA
RCA
Output through the RCA connectors.
XLR (HOT 2)
Output through the XLR connectors with 2: HOT polarity.
XLR (HOT 3)
Output through the XLR connectors with 3: HOT polarity.
Line output level
Use to select audio level output from the analog audio output (LINE OUT) connectors.
MENU
LINE OUT LEVEL FIXED 0dB
EN
Clock sync
o Clock sync is only possible when the input source is USB or NET
(including USB flash drives).
MENU
CLOCK SYNC OFF
OFF
No clock sync is used.
ON
This unit’s master clock will be synchronized to the 10MHz clock input through the CLCOK SYNC input (10MHz IN) connector.
FIXED 0dB
A maximum of 2 Vrms is output. Select this if you want to adjust the volume using an amplifier.
o No sound will be output if headphones are connected.
FIXED +6dB
A maximum of 4 Vrms is output. Select this if you want to adjust the volume using an amplifier.
o No sound will be output if headphones are connected. o If the sound distorts, set this to FIXED 0dB.
VARIABLE
This will enable adjustment of the analog output level using the VOLUME knob. Select this if you want to adjust the volume using this unit.
o No sound will be output if headphones are connected.
OFF
No sound is ever output.
23
Settings (continued)
Display brightness
MENU
DIMMER BRIGHT
DARK
Dark
SLIGHTLY BRIGHT
Lit dimly
BRIGHT
Lit brightly
AUTO OFF
Unlit automatically
o The display stays unlit even when the unit is on.
Volume display
This sets how the volume is shown.
MENU
VOLUME TYPE STEP (0-99)
STEP (0-99)
This shows the volume in steps from 0 (minimum) to 99 (maximum).
dB
This shows the volume in decibels (dB).
Automatic power saving function
This unit has an automatic power saving function.
o The automatic power saving function is on when the unit is
shipped new from the factory.
MENU
AUTO POWER SAVING ON
OFF
The automatic power saving function is disabled.
ON
The unit will automatically enter standby mode if no audio is out­put and no operation is conducted for about 30 minutes.
Information display
This shows the version of the firmware used by the unit.
MENU
Version info SYSTEM
SYSTEM
The firmware version of the microcomputer
USB
The firmware version of the USB module
Bluetooth
The firmware version of the Bluetooth module
NETWORK
The firmware version of the network module
Screen indication
Select the information shown to the right of the playback source.
MENU
DISPLAY TYPE volume
volume
The volume will be shown.
sampling freq.
Information about the playback source will be shown.
24

Playing back music on a computer

Installing the driver
This unit can be connected with computers running the following operating systems. Operation with other operating systems is not guaranteed (as of November, 2017).
When using Mac
The driver works with the following versions. OS X Lion (10.7) OS X Mountain Lion (10.8) OS X Mavericks (10.9) OS X Yosemite (10.10) OS X El Capitan (10.11) macOS Sierra (10.12) macOS High Sierra (10.13)
This unit will run with the standard OS driver, so there is no need to install a special driver. A dedicated driver must be installed on the computer, however, to use Bulk Pet.
When using Windows
The driver works with the following versions. Windows 7 (32/64-bit) Windows 8 (32/64-bit) Windows 8.1 (32/64-bit) Windows 10 (32/64-bit)
About transmission mode
Data can be transferred using Isochronous or Bulk Pet mode. The sampling frequencies that can be transmitted are 44.1, 48, 88.2, 96, 176.4, 192, 352.8, 384, 705.6 and 768 kHz. When properly connected, you will be able to select “TEAC USB AUDIO DEVICE” as an audio output from the computer OS.
o During data transfer, the audio data sent from the computer will
be processed using this unit’s clock, enabling the amount of jitter that occurs during data transmission to be reduced.
Downloading playback application TEAC HR Audio Player
You can download Mac and Windows versions of our free TEAC HR Audio Player application that supports playback of DSD files from the TEAC Global Site (http://teac-global.com/).
TEAC HR Audio Player setting note
To play 22.5MHz DSD recordings with TEAC HR Audio Player, open the Configure window and set the “Decode mode” to “DSD Native.”
To play formats other than 22.5MHz DSD, you can set this to either “DSD over PCM” or “DSD Native” as you like.
EN
Installing the driver on the computer
In order to play audio files stored on a computer through this unit, you must install a dedicated driver on that computer beforehand. Download the dedicated driver from the TEAC Global Site.
TEAC Global Site
http://www.teac-global.com/
ATTENTION
Install the dedicated driver before connecting the unit with the computer by USB.
If you connect this unit with a computer before installing the driver, it will not work properly.
o For instructions about driver installation procedures, access the
Downloads page from the TEAC Global site (http://teac-global. com/).
o Depending on the combination of hardware and software, proper
operation might not be possible even with the above operating systems.
For details, see “Selecting DSD decoding mode” in the TEAC HR Audio Player Owner’s Manual.
25
Playing back music on a computer (continued)
Playing back audio files from a computer
1 Connect the USB port on the back of this unit
to the computer using a USB cable.
USB cable
o Use a cable with a connector that matches that of this unit.
2 Turn the computer on.
o Confirm that the operating system has started properly.
3 Shift the POWER switch to its ON position to
turn the unit on.
5 Start playback of an audio le on the computer.
By maximizing the output volume from the computer and adjusting the volume output from the stereo amplifier, better sound quality can be achieved.
Minimize the stereo amplifier volume before beginning play­back. Then, gradually increase it.
When using headphones connected to this unit, turn the VOLUME knob counterclockwise to minimize the volume before putting them on. Then, gradually increase it.
o The computer and this unit cannot control each other. o Do not do any of the following when playing back an audio file
via USB. Doing so could cause the computer to malfunction. Always quit the audio playback software before doing any of the following.
o Unplugging the USB cable o Turning the unit off or putting it into standby mode o Changing the current input selection
o When playing back an audio file via USB, computer operation
sounds will also be output. If you do not want these sounds to be output, make appropriate settings on the computer to turn them off.
o If you connect this unit with the computer or change its input to
USB after starting the audio playback software, audio files might not play back correctly. If this should occur, restart the audio playback software or restart the computer.
4 Turn the SOURCE knob to select USB.
26

Troubleshooting

If you experience a problem with the unit, please take a moment to review the following information before requesting service. If it still does not operate correctly, contact the retailer where you purchased the unit.
General
The unit does not turn on.
e Check that the power cord is completely plugged into the
power outlet. If the outlet is switched, confirm that the switch is in the ON position.
e Connect a different electrical device to the outlet to confirm
that it is supplying power.
e If the automatic power saving function has caused the unit to
enter standby, press the remote control STANDBY/ON button to turn the unit on again.
No sound is output.
e If a stereo amplifier is connected to this unit, adjust its volume. e If you are using headphones connected to this unit, use the
VOLUME knob to adjust the volume.
e Use the SOURCE knob to select the input that is connected to
the source that you want to hear.
e Reconfirm the connections with other equipment.
Connections with a computer
Computer does not recognize this unit.
e See page25 for information about supported operating
systems. Operation with unsupported operating systems is not guaranteed.
Noise occurs.
e Starting other applications during playback of an audio file
may interrupt playback or cause noise. Do not start other applications during playback.
e When the unit is connected to a computer via a USB hub, for
example, noise might be heard. If this occurs, connect the unit directly to the computer.
Audio files cannot be played back.
e Connect this unit to the computer, and set this unit’s input to
USB before launching audio playback software. If you connect this unit to the computer or set its input to USB after launching audio playback software, audio files might not play back properly.
Bluetooth function
EN
There is a humming noise.
e If a connecting cable is near a power cord, fluorescent light or
similar cause of interference, increase the distance between them as much as possible.
There is no sound from one side of the headphones.
e Confirm that the headphones plug is inserted completely.
Clock sync
The CLOCK indicator does not stop blinking.
e Set clock synchronization to OFF when not using it. e Synchronization with the clock signal being input might not
be possible. Check the connections of the clock sync connec­tors and the settings of the connected device.
Cannot show device name.
e This unit does not support the display of symbols or double-
byte characters, including Japanese and Chinese. Use only English letters and numbers for the names of Bluetooth devices connected to this unit.
Cannot change connected Bluetooth device.
e This unit cannot have Bluetooth connections to multiple
Bluetooth devices at the same time. To change the device connected with this unit by Bluetooth, end the connection with the currently connected Bluetooth device before connecting to another Bluetooth device.
Since this unit uses a microcontroller, external noise and other inter­ference can cause the unit to malfunction. If this occurs, unplug the power cord, wait for a while, and then turn the unit on again and restart operations.
Continued on the next page e
27
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