Page 2 - ENGLISH; IMPORTANT SAFETY INSTRUCTIONS
ENGLISH 2 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 instru...
Page 4 - INTRODUCTION; TABLE OF CONTENTS; SAVE THE PACKAGING
ENGLISH INTRODUCTION TABLE OF CONTENTS 4 WHAT’S IN THE BOX Packed with your C 658 you will find • 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 P...
Page 5 - QUICK SETUP GUIDE; Wired; • For wired and wireless connection to be established, ensure that a; WIRED CONNECTION; for firmware update; GETTING STARTED
ENGLISH 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-...
Page 6 - IMPORTANT NOTES; b The rear panel POWER switch must be set to ON.; IMPORTANT; IDENTIFICATION OF CONTROLS; FRONT PANEL
ENGLISH 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 wil...
Page 7 - SERVICE; • NAD is not responsible for any malfunction of the C 658 and/or the; PHONO; REAR PANEL
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...
Page 8 - Connect IR OUT to the IR IN jack of a compatible device.; NOTE; AC mains power is supplied to C 658.
ENGLISH 9 SUBW (SUBWOOFER) 1, 2 • Connect SUBW 1 and/or 2 to the low level input of corresponding powered subwoofer. • Low frequency information up to 80 Hz is sent to the connected subwoofer. 10 IR IN/IR OUT • These mini-jacks accept and output remote-controlled codes in electrical format, using in...
Page 9 - MDC CLASSIC UPGRADE SLOTS; Connect to corresponding
ENGLISH MDC CLASSIC UPGRADE SLOTS The delivery format of digital content is constantly changing in pure digital systems like the C 658. Each of these format typically requires specialized hardware and software, often with licensed IP and content copy protection. To address continuous technological e...
Page 10 - or; USING THE SR 9 REMOTE CONTROL; SR 9 CONTROL BUTTON; channel/preset access for tuners and receivers.
ENGLISH The SR 9 remote control handset handles the key functions of the C 658 as well as other NAD Stereo Receivers, Integrated Amplifiers and Preamplifiers. It has additional controls to remotely operate NAD CD Players, AM/FM Tuners and dedicated AM/FM/DAB Tuners. It will operate up to a distance ...
Page 11 - SOURCE
ENGLISH 7 SOURCE 7/8 : Toggle through the source input selections. If the optional MDC modules are installed, the source selections will include the sources incorporated in the applicable modules. 8 DIM (for use with NAD Stereo Receiver, Tuner and CD Player): Reduce, turn off or restore display brig...
Page 12 - BluOS PLAYBACK CONTROLS; USING THE SR 9 REMOTE CONTROL LIBRARY; RESET THE SR 9 TO ITS DEFAULT SETTINGS; Default library for “AMP” page
ENGLISH BluOS PLAYBACK CONTROLS Set DEVICE SELECTOR to BLS and the following control buttons are applicable for BluOS playback control. [ 4 ]: Resume playback from pause mode. [ j ]: Pause current playback. [ 9 ]: Skip back to the beginning of current song. [ 0 ]: Skip forward to the next song. REPE...
Page 13 - ACCESS MAIN MENU; NAVIGATING THE MENU OPTIONS AND MAKING CHANGES; SOURCE SETUP; OPERATION
ENGLISH ACCESS MAIN MENU Press front panel [ f ] button once for the Main Menu options to appear in the display. Use front panel a or s button to select through the Main Menu options – Settings, Source Setup and System Info. NAVIGATING THE MENU OPTIONS AND MAKING CHANGES Navigate through the menu op...
Page 14 - SETTINGS
ENGLISH At Fixed volume level setting, front panel display will show “xx.x dB Fixed” as the volume control is adjusted. HOW TO NAVIGATE VOLUME CONTROL LEVEL SETTINGA While at “Volume Control” menu, press [ f ]. B Use front panel [ a/s ] or SR 9’s [ A/S ] buttons to toggle between “Variable” and “Fix...
Page 15 - ANALOG BYPASS; OPERATING MODE TRIGGER POINTS
ENGLISH BASS, TREBLE, BALANCE Bass and Treble controls only affect the low bass and high treble leaving the critical midrange frequencies free of coloration. • Use [ a/s ] to boost or cut Bass or Treble levels within ±7 dB range. Balance control adjusts the relative levels of the left and right chan...
Page 16 - AUTO STANDBY; On; NETWORK STANDBY; IR Channel Assignment
ENGLISH AUTO STANDBY Auto Standby feature is an integral feature of C 658 that conforms to European ecodesign regulations. The C 658 can be setup to automatically go to standby mode if there is no user interface interaction and no active source input within 20 minutes. On • C 658 switches to standby...
Page 17 - IR LEARNING
ENGLISH IR LEARNING IR Learning enables any non-NAD remote control learn AMP and BluOS basic remote control codes. With the learned codes, the configured non-NAD remote control can be used to command or operate the C 658. HOW TO LEARN REMOTE CONTROL CODES1 While at “IR Learning” menu, press [ f ] an...
Page 18 - BLUETOOTH MODE
ENGLISH BLUETOOTH MODE Bluetooth mode defines the two roles of the C 658 as either Bluetooth Receiver or Bluetooth Headphones. Receiver: Audio stream is received from a Source on the same Bluetooth network environment. Headphones: Audio is streamed or sent to another device (Receiver) on the same Bl...
Page 19 - SYSTEM INFO; ] to toggle through the corresponding information.; UPGRADE AVAILABLE
ENGLISH SYSTEM INFO “System Info” displays information about current MCU, LCD and BluOS firmware versions as well as MDC Slot information, MAC and IP addresses. Use [ a/s ] to toggle through the corresponding information. UPGRADE AVAILABLE With the C 658 connected to internet and if a software upgra...
Page 20 - DIRAC LIVE; MQA INDICATORS
ENGLISH OPERATION USING C 658 20 DIRAC LIVE The proprietary Dirac Live is integrated with your C 658. Dirac Live® is a patented room correction technology that not only corrects the frequency response, but also the impulse response of a room’s loudspeakers. Dirac Live provides true impulse response ...
Page 21 - REFERENCE; SPECIFICATIONS; PREAMPLIFIER SECTION
ENGLISH All specs are measured according to IHF 202 CEA 490-AR-2008 standard. THD is measured using AP AUX 0025 passive filter and AES 17 active filter. REFERENCE SPECIFICATIONS 21 PREAMPLIFIER SECTION LINE INPUT, AUDIO PRE-OUT THD (20 Hz – 20 kHz) <0.005 % at 2 V out Signal-to-Noise Ratio >10...
