NAD C658 Owner's Manual

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ENGLISH

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 ampliers.

This makes it possible to use the C 658 as a pre-amplier to such

devices. It is recommended to use C 658’s BALANCED AUDIO PRE-

OUT if the external amplier 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

ampliers, 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.

IDENTIFICATION OF CONTROLS

REAR PANEL

15 16 12 14

31 2 4 1 5 6 7 8 109 11 13

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.

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NAD C658 C 658 BluOS Streaming DAC Preamplifier

Owner's Manual - Page 7