NAD C 658 User Manual
®
C 658
BluOS Streaming DAC
ENGLISH
© NAD C 658
Owner’s Manual
IMPORTANT SAFETY INSTRUCTIONS
ENGLISH
1. Read instructions - All the safety and operating instructions should be read
before the product is operated.
2. Retain instructions - The safety and operating instructions should be retained
for future reference.
3. Heed Warnings - All warnings on the product and in the operating instructions
should be adhered to.
4. Follow Instructions - All operating and use instructions should be followed.
5. Cleaning - Unplug this product from the wall outlet before cleaning. Do not use
liquid cleaners or aerosol cleaners. Use a damp cloth for cleaning.
6. Attachments - Do not use attachments not recommended by the product
manufacturer as they may cause hazards.
7. Water and Moisture - Do not use this product near water-for example, near a
bath tub, wash bowl, kitchen sink, or laundry tub; in a wet basement; or near a
swimming pool; and the like.
8. Accessories - Do not place this product on an unstable cart, stand, tripod,
bracket, or table. The product may fall, causing serious injury to a child or adult
and serious damage to the product. Use only with a cart, stand, tripod, bracket,
or table recommended by the manufacturer, or sold with the product. Any
mounting of the product should follow the manufacturer’s instructions, and
should use a mounting accessory recommended by the manufacturer.
9. Cart - A product and cart combination should be moved with care.
Quick stops, excessive force, and uneven surfaces may cause the
product and cart combination to overturn.
10. Ventilation - Slots and openings in the cabinet are provided for ventilation
to ensure reliable operation of the product and to protect it from overheating.
These openings must not be blocked or covered. The openings should never be
blocked by placing the product on a bed, sofa, rug, or other similar surface. This
product should not be placed in a built-in installation such as a bookcase or rack
unless proper ventilation is provided or the manufacturer’s instructions have been
adhered to.
11. Power Sources - This product should be operated only from the type of power
source indicated on the marking label and connected to a MAINS socket outlet
with a protective earthing connection. If you are not sure of the type of power
supply to your home, consult your product dealer or local power company.
12. Power-Cord Protection - Power-supply cords should be routed so that they are
not likely to be walked on or pinched by items placed upon or against them,
paying particular attention to cords at plugs, convenience receptacles, and the
point where they exit from the product.
13. Mains Plug - Where the mains plug or an appliance coupler is used as the
disconnect device, the disconnect device shall remain readily operable.
14. Outdoor Antenna Grounding - If an outside antenna or cable system is
connected to the product, be sure the antenna or cable system is grounded so
as to provide some protection against voltage surges and built-up static charges.
Article 810 of the National Electrical Code, ANSI/NFPA 70, provides information
with regard to proper grounding of the mast and supporting structure, grounding
of the lead-in wire to an antenna discharge unit, size of grounding conductors,
location of antenna discharge unit, connection to grounding electrodes, and
requirements for the grounding electrode.
NOTE TO CATV SYSTEM INSTALLER
This reminder is provided to call the CATV system installer’s attention to Section
820-40 of the NEC which provides guidelines for proper grounding and, in particular,
species that the cable ground shall be connected to the grounding system of the
building, as close to the point of cable entry as practical.
15. Lightning - For added protection for this product during a lightning storm, or
when it is left unattended and unused for long periods of time, unplug it from the
wall outlet and disconnect the antenna or cable system. This will prevent damage
to the product due to lightning and power-line surges.
16. Power Lines - An outside antenna system should not be located in the vicinity
of overhead power lines or other electric light or power circuits, or where it can
fall into such power lines or circuits. When installing an outside antenna system,
extreme care should be taken to keep from touching such power lines or circuits
as contact with them might be fatal.
17. Overloading - Do not overload wall outlets, extension cords, or integral
convenience receptacles as this can result in a risk of re or electric shock.
18. Flame Sources - No naked ame sources, such as lighted candles, should be
placed on the product.
19. Object and Liquid Entry - Never push objects of any kind into this product
through openings as they may touch dangerous voltage points or short-out parts
that could result in a re or electric shock. Never spill liquid of any kind on the
product.
20. Headphones - Excessive sound pressure form earphones and headphones can
cause hearing loss.
21. Damage Requiring Service - Unplug this product from the wall outlet and refer
servicing to qualied service personnel under the following conditions:
a. When the power-supply cord or plug is damaged.
b. If liquid has been spilled, or objects have fallen into the product.
c. If the product has been exposed to rain or water.
d. If the product does not operate normally by following the operating
instructions. Adjust only those controls that are covered by the operating
instructions as an improper adjustment of other controls may result in
damage and will often require extensive work by a qualied technician to
restore the product to its normal operation.
e. If the product has been dropped or damaged in any way.
f. When the product exhibits a distinct change in performance-this indicates a
need for service.
22. Replacement Parts - When replacement parts are required, be sure the service
technician has used replacement parts specied by the manufacturer or have the
same characteristics as the original part. Unauthorized substitutions may result in
re, electric shock, or other hazards.
2
IMPORTANT SAFETY INSTRUCTIONS
23. Battery Disposal - When disposing of used batteries, please comply with
governmental regulations or environmental public instruction’s rules that apply in
your country or area.
24. Safety Check - Upon completion of any service or repairs to this product, ask the
service technician to perform safety checks to determine that the product is in
proper operating condition.
25. Wall or Ceiling Mounting - The product should be mounted to a wall or ceiling
only as recommended by the manufacturer.
WARNING
The lightning ash with arrowhead symbol, within an equilateral
triangle, is intended to alert the user to the presence of uninsulated
“dangerous voltage” within the product’s enclosure that may be of
sucient 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.
CAUTION
• Changes or modications to this equipment not expressly approved by NAD
Electronics for compliance could void the user’s authority to operate this
equipment.
• This device complies with Part 15 of the FCC Rules / Industry Canada licence-
exempt RSS standard(s). 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.
• Under Industry Canada regulations, this radio transmitter may only operate
using an antenna of a type and maximum (or lesser) gain approved for the
transmitter by Industry Canada. To reduce potential radio interference to other
users, the antenna type and its gain should be so chosen that the equivalent
isotropically radiated power (e.i.r.p.) is not more than that necessary for successful
communication.
• To prevent electric shock, match wide blade of plug to wide slot, fully insert.
• Marking and rating plate can be found at the rear panel of the apparatus.
• To reduce the risk of re or electric shock, do not expose this apparatus to rain or
moisture. The apparatus shall not be exposed to dripping or splashing and that
no objects lled with liquids, such as vases, shall be placed on apparatus.
• Mains plug is used as disconnect device and it should remain readily operable
during intended use. In order to disconnect the apparatus from the mains
completely, the mains plug should be disconnected from the mains socket outlet
completely.
• Battery shall not be exposed to excessive heat such as sunshine, re or the like.
• Danger of explosion if battery is incorrectly replaced. Replace only with the same
or equivalent type.
• An appliance with a protective earth terminal should be connected to a mains
outlet with a protective earth connection.
ENGLISH
THE EQUIPMENT MUST BE CONNECTED TO AN EARTHED MAINS SOCKET-OUTLET.
CAUTION REGARDING PLACEMENT
To maintain proper ventilation, be sure to leave a space around the unit (from the
largest outer dimensions including projections) than is equal to, or greater than
shown below.
Left and Right Panels: 10 cm
Rear Panel: 10 cm
Top Panel: 10 cm
FCC STATEMENT
This equipment has been tested and found to comply with the limits for 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 o and on, the user is encouraged to try to correct the
interference by one or more of the following measures:
• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and receiver.
• Connect the equipment into an outlet on a circuit dierent from that to which
the receiver is connected.
• Consult the dealer or an experienced radio TV technician for help.
MPE REMINDER
To satisfy FCC/IC RF exposure requirements, a separation distance of 20 cm or more
should be maintained between the antenna of this device and persons during
device operation. To ensure compliance, operations at closer than this distance is not
recommended.
IF IN DOUBT CONSULT A COMPETENT ELECTRICIAN.
This product is manufactured to comply with the radio interference
requirements of EEC DIRECTIVE 2004/108/EC.
NOTES ON ENVIRONMENTAL PROTECTION
At the end of its useful life, this product must not be disposed of with
regular household waste but must be returned to a collection point for
the recycling of electrical and electronic equipment. The symbol on the
product, user’s manual and packaging point this out.
The materials can be reused in accordance with their markings.
Through re-use, recycling of raw materials, or other forms of recycling of old products,
you are making an important contribution to the protection of our environment.
Your local administrative oce can advise you of the responsible waste disposal point.
RECORD YOUR MODEL NUMBER NOW, WHILE YOU CAN SEE IT
The model and serial number of your new C 658 are located on the back of the
cabinet. For your future convenience, we suggest that you record these numbers here:
Model number : . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Serial number : ......................................
NAD is a trademark of NAD Elec tronics International, a division of Le nbrook Indus tries Limited
NAD is a trademark of NAD Elec tronics International, a division of Le nbrook Indus tries Limited
Copyright 2019, NAD Electronics International, a division of Lenbroo k Industrie s Limited
Copyright 2019, NAD Electronics International, a division of Lenbroo k Industrie s Limited
3
INTRODUCTION
TABLE OF CONTENTS
ENGLISH
IMPORTANT SAFETY INSTRUCTIONS .........................2
INTRODUCTION
WHAT’S IN THE BOX ..................................................4
CHOOSING A LOCATION .............................................4
RESTORING C 658 TO FACTORY DEFAULT SETTINGS ..................4
GETTING STARTED ...............................................5
QUICK SETUP GUIDE .................................................5
IDENTIFICATION OF CONTROLS
FRONT PANEL ....................................................6
REAR PANEL .....................................................7
MDC CLASSIC UPGRADE SLOTS ......................................9
MDC HDM2 ..........................................................9
USING THE SR 9 REMOTE CONTROL ..............................10
USING THE SR 9 REMOTE CONTROL LIBRARY ....................... 12
OPERATION
USING C 658 ....................................................13
ACCESS MAIN MENU ...............................................13
SOURCE SETUP ..................................................... 13
ENABLE SOURCE ................................................... 13
NAME .............................................................. 13
VOLUME CONTROL ................................................. 13
SETTINGS ........................................................... 14
TONE CONTROL .................................................... 14
BASS, TREBLE, BALANCE ............................................ 15
ANALOG BYPASS ................................................... 15
AUTO SENSE ........................................................ 15
AUTO STANDBY .................................................... 16
NETWORK STANDBY. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
IR CHANNEL ........................................................ 16
IR LEARNING ....................................................... 17
DIMMER ............................................................ 17
TEMPORARY DISPLAY .............................................. 17
VOLUME DISPLAY MODE ........................................... 17
BLUETOOTH MODE ................................................. 18
SYSTEM INFO ...................................................... 19
DIRAC LIVE ......................................................... 20
MASTER QUALITY AUTHENTICATED ..............................20
REFERENCE
SPECIFICATIONS ................................................21
WHAT’S IN THE BOX
Packed with your C 658 you will nd
• Two detachable mains power cord
• SR 9 remote control with 2 AA batteries
• USB MIC Sound Adaptor
• Mic Assembly with Ferrite Base
• Bluetooth and Wi-Fi antennas
• Quick Setup Guide
SAVE THE PACKAGING
Please save the box and all of the packaging in which your C 658 arrived.
Should you move or need to transport your C 658, this is the safest
container in which to do so. We’ve seen too many otherwise perfect
components damaged in transit for lack of a proper shipping carton so,
please: Save that box!
CHOOSING A LOCATION
Choose a location that is well ventilated (with at least several inches to
both sides and behind), and that will provide a clear line of sight, within
25 feet / 8meters, between the C 658’s front panel and your primary
listening/viewing position—this will ensure reliable infrared remote control
communications. The C 658 generates a modest amount of heat, but
nothing that should trouble adjacent components.
RESTORING C 658 TO FACTORY DEFAULT SETTINGS
Press and hold both front panel’s a SOURCE s buttons until the display
shows the following three reset options. Use a or s buttons to select
through the options.
• Factory Reset MCU? : Restore MCU factory default settings only
• Factory Reset BluOS? : Restore BluOS factory default settings only
• Factory Reset All? This will reset both BluOS and MCU: Restore
both BluOS and MCU factory default settings
Press [ENTER] to select “Yes” and initiate selected Factory Reset option.
IMPORTANT
Restoring C 658 to factory default settings will delete all applicable
congured or saved settings.
4
INTRODUCTION
GETTING STARTED
QUICK SETUP GUIDE
This simple guide will help you get started with your C 658.
Your C 658 can be connected to your home network via Wired or Wireless
connection.
IMPORTANT!
• For wired and wireless connection to be established, ensure that a
broadband router that supports Ethernet and/or Wi-Fi standards is
setup and available.
• Tablets, smartphones and other applicable devices that support iOS
(Apple) or Android operating system can be used as mobile device
controller. These devices are not supplied with your C 658.
• Download and install the corresponding “BluOS Controller” App for
your device.
• The BluOS App is available as a Mobile App for Android, iOS, Kindle and
Desktop App for Windows and OS X Computers.
• Mobile Apps are handled by the respective Application Store of the
Mobile devices.
• Desktop Apps are available to download directly from the Bluesound
homepage - https://www.bluesound.com
WIRED CONNECTION
Using an Ethernet cable (not supplied), connect one end to C 658’s LAN
port and the other end directly to your Wired network or router.
WIRELESS CONNECTION
The process is very easy but slightly diers between iOS (Apple) and
Android devices. Follow below instructions for the smartphone or tablet
that applies to you. Windows and Mac users please see the instructions
under Wireless Manual Setup below.
ANDROID
1 Open App. The App may immediately prompt you saying “New Players
detected”, select ”Setup Now”.
a If you are not prompted, open the Player Drawer by pressing the
Home icon in the top right corner of the App.
b Scroll to the bottom and select ”Add a Player” to launch the Easy
Setup Wizard.
c Select your C 658’s unique network ID* from the Players detected
Window.
d Select your Home Wi-Fi Network from the “Choose a Wi-Fi Network”
drop down menu.
e If your Home Wi-Fi Network does not appear or is hidden, select
”Manual SSID Entry”. Enter network or applicable wireless network
name.
f Select the “Network Security” your network uses.
2 Enter your home network’s Wi-Fi Password in the eld provided and
select “OK”.
3 Enter the “Player Name” you prefer your C 658 to be customized for
easier identication in the Player Drawer. Network setup connection
proceeds automatically.
4 Network setup connection is completed when “All Done!” is shown in
the App.
iOS
1 Open App. Select Home icon in the top right corner of the App.
2 Scroll to the bottom and select ”Add a Player” to launch the Easy Setup
Wizard.
3 As illustrated, press the Home button and open the iOS Settings App to
select the Wi-Fi network you will connect.
4 From the same iOS Settings App, select your C 658’s unique network
ID*. Follow prompt instructions.
5 Return to BluOS App upon completion of the network setup
connection.
If the above method does not work or if you are on a Windows PC or Apple
Mac, Wireless Manual Setup can be undertaken.
WIRELESS MANUAL SETUP
1 Select your C 658’s unique network ID* from the Wi-Fi Setup
connection settings menu of your tablet, smart phone or computer
and join it.
2 “…Control Panel” menu window should automatically open. If not,
open the web browser of your device and visit http://10.1.2.3.
3 Select “Congure Wi-Fi” from the “…Control Panel” menu. Select
your network or applicable wireless network name (SSID) from the
“Congure Wireless” drop down menu.
4 Enter your network’s Wireless Password (Passphrase, WEP/WAP key as
applicable) in the eld “Enter password or key (if protected)”.
5 Select a “Player name” from the drop down list or use the on-screen
keyboard to create a customized room name in the eld “Custom
name”.
6 Select “Update” to save all your settings and complete the set up
connection of your C 658. Do not forget to go back to the Wi-Fi Settings
section of your device to conrm that it is reconnected to the correct
Wi-Fi network.
Your C 658 is now connected to your Wi-Fi network and ready to be used
with the BluOS controller App.
IMPORTANT!
Always ensure that your C 658 is updated with the latest rmware. Go
to the C 658 product page at nadelectronics.com for rmware update
information.
ENGLISH
* The C 658’s unique network ID is listed as the product name (i.e. C658)
immediately followed by the last four digits in the MAC (Machine Access
Control) address (example: C658-001A). The full 12-digit MAC address is
printed on a sticker on the C 658 rear panel.
5
ENGLISH
IDENTIFICATION OF CONTROLS
FRONT PANEL
© NAD C 658
4 5 6 7 821 3
1 POWER INDICATOR
• This indicator will be amber when the C 658 is in standby mode.
• When the C 658 is powered up from standby mode, this indicator
will change from amber to blue color.
2 STANDBY BUTTON
• Press Standby button to switch ON the C 658 from standby mode.
The Power indicator will change from amber to blue color.
• Pressing Standby button again switches back C 658 to standby
mode. The Power indicator will change from blue to amber color.
• The Standby button cannot activate the C 658 if the rear panel
POWER switch is o.
IMPORTANT NOTES
Conditions for Standby button to activate
a Connect the plug of the supplied power cord to a mains power
outlet while ensuring that the other end of the power cord is rmly
connected to C 658’s AC Mains input socket.
b The rear panel POWER switch must be set to ON.
3 NAVIGATION AND ENTER BUTTONS
• The navigation [d/f/a/s] and [ENTER] buttons are used to go
through menu options and selections.
• Use [d/f/a/s] to go up, down, left or right given options or
selections.
• The middle round button is designated as [ENTER] button. This is
normally pressed to complete a selection, procedure, sequence or
other applicable functions.
4 HEADPHONES
• A 1/4” stereo jack socket is supplied for headphone listening and
will work with conventional headphones of any impedance.
• The volume, tone and balance controls are operative for
headphone listening. Use a suitable adapter to connect
headphones with other types of sockets, such as 3.5mm “personal
stereo” jack plugs.
5 DISPLAY
• Visual and menu information are shown according to the selected
settings.
• The following Main menu options are selectable from the display –
Settings, Source Setup and System Info.
• Use the SR 9 remote control or front panel navigation [d/f/a/s]
and [ENTER] buttons to go through menu options and selections.
6 REMOTE SENSOR
• Point the SR 9 remote control at the remote sensor and press the
buttons.
• Do not expose the remote sensor of the C 658 to a strong light
source such as direct sunlight or illumination. If you do so, you may
not be able to operate the C 658 with the remote control.
Distance: About 23ft (7m) from the front of the remote sensor.
Angle: About 30° in each direction of the front of the remote sensor.
7 a SOURCE s
• Press a SOURCE or SOURCE s to select Sources.
8 VOLUME
• The VOLUME control adjusts the overall loudness of the signal sent
to the loudspeakers. The Volume control is characterized by perfect
signal tracking and channel balance. It provides a highly linear and
low noise operation.
• Turn clockwise to increase the volume level and counter clockwise
to lower it.
• The default volume level is -20dB.
• Volume level will wake up and reset to the -20 dB default setting if
the unit goes to standby mode with a variable volume level higher
than -20 dB. However, if volume level is lower than -20 dB when
the unit goes to standby mode, that level setting will be preserved
when the unit wakes up.
IMPORTANT
There is no audio output at Audio PRE-OUT (Balanced and Single-
ended) if headphones is connected to HEADPHONES jack in the front
panel.
6
IDENTIFICATION OF CONTROLS
REAR PANEL
15 16 12 14
31 2 4 1 5 6 7 8 109 11 13
ENGLISH
© NAD C 658
ATTENTION!
Please ensure that the C 658 is powered o or unplugged from the mains power outlet before making any connections. It is also advisable to power down
or unplug all associated components while making or breaking any signal or AC power connections.
1 OPTICAL 1-2/COAXIAL 1-2
• Connect to the corresponding optical and coaxial digital output
of sources such as CD or BD/DVD players, digital cable box, digital
tuners and other applicable components.
2 SERVICE
• These USB port and tact switch are for servicing purposes only. Not
for consumer use.
3 USB
• Connect to this USB port USB mass storage devices formatted as
FAT32, NTFS or Linux ext4. The connected USB device appears as a
Local Source (USB) in the BluOS App.
• Access and playback music stored in the connected USB device by
selecting “USB” from the BluOS App.
4 ETHERNET/LOCAL AREA NETWORK (LAN) PORT
• LAN connection must be setup for wired connection to be
established. Set up a Wired Ethernet broadband router with
broadband internet connection. Your router or home network
should have a built-in DHCP server to consummate the connection.
• Using a standard straight-through Ethernet cable (not supplied),
connect one end of the Ethernet cable to the LAN port of your
wired Ethernet broadband router and the other end to C 658’s LAN
port.
NOTES
• NAD is not responsible for any malfunction of the C 658 and/or the
internet connection due to communication errors or malfunctions
associated with your broadband internet connection or other
connected equipment. Contact your Internet Service Provider (ISP) for
assistance or the service bureau of your other equipment.
• Contact your ISP for policies, charges, content restrictions, service
limitations, bandwidth, repair and other related issues pertinent to
internet connectivity.
5 PHONO
• Input for a Moving Magnet (MM) phono cartridge only. Connect the
twin RCA-to-RCA lead from your turntable to this input if you are
using a Moving Magnet cartridge.
• If your turntable includes a ground/earth lead, it can be connected
to the Ground Terminal (refer to item 16 below).
6 LINE 1-2
• Input for line level sources such as CD player, tuner or any
compatible devices. Use a twin RCA-to-RCA lead to connect the
source device’s left and right “Audio Output” to these line input
ports.
7 AUDIO PRE-OUT (BALANCED)
• The AUDIO PRE -OUT is the main output port that connects the
C 658 to the corresponding audio input ports of external ampliers.
This makes it possible to use the C 658 as a pre-amplier to such
devices. It is recommended to use C 658’s BALANCED AUDIO PREOUT if the external amplier has corresponding BALANCED input
port.
8 AUDIO PRE-OUT (SINGLE-ENDED)
• Use single-ended AUDIO PRE OUT for sources that are not
equipped with BALANCED analog audio input.
• Use a twin RCA-to-RCA lead to connect AUDIO PRE-OUT to the
corresponding analog audio input of compatible devices such as
ampliers, receivers or other applicable devices.
IMPORTANT
There is no audio output at Audio PRE-OUT (Balanced and Single-
ended) if
• Headphones is connected to HEADPHONES jack in the front panel.
• C 658 is at Bluetooth Headphones mode.
7
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