NAD C658 2 Channel Pre-Amplifier | BluOS Streaming DAC

SKU C658

Connects to a 2 channel amplifier for high end quality music streaming, also improves your CD audio quality as the CD player connects via this DAC.

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$2,699.00

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NAD produces high performance Hi-Fi and home theatre products, including amplifiers, AV receivers, turntables and more.
NAD
$2,699.00
$2,699.00

The C658 NAD 2 Channel Pre-Amplifier uses the latest technologies, combining a Network Streamer and DAC to offer you the best sound experience.

The highly flexible outputs allow for a true balanced connection to powered speakers or amplifiers. Single-ended connections for amplifiers and subwoofers are also provided and include an adjustable subwoofer crossover.

Also on board is BluOS, the most sophisticated High Res streaming system available.

Main Features:

  • BluOS Network Streaming with MQA Decoding
  • ESS Sabre DAC
  • Dirac Live Room Correction
  • Gigabit Ethernet
  • Dual Band Wi-Fi ac/n
  • 2-way Qualcomm aptX HD Bluetooth
  • 2 x MDC Slots for Future Expansion
  • MM Phono Input
  • 2 x Line Inputs
  • 2 x Optical Inputs
  • 2 x Coax Inputs
  • Balanced Preamp Output
  • Preamp Output
  • Stereo Subwoofer Output
  • High Current Headphone Out
  • USB socket for adding optional wireless output module
  • IR In with Learning Function
  • Trigger Out/In

Specifications

Weight
10.1 kg
Dimensions
43.5 × 10 cm
availability

Online, Store

THD (20Hz – 20kHz)

<0.005% at 2V out

Signal to noise Ratio

>106dB (IHF; A-weighted, ref. 500mV out, unity gain)

Channel Separation

>80dB (1kHz)
>70dB (10kHz)

impedance

Input – 22 kohms + 100pF, Output – Source Z + 240 Ohm

Maximum Input Signal

>4.5Vrms (ref. 0.1% THD)

sensitivity

Input – 93mV (ref. 500mV out, Volume maximum)

frequency response

±0.3dB (20Hz – 20kHz)

Maximum voltage output – IHF load

>4.5V (ref. 0.1% THD)

Tone Controls Treble

>±7.0dB at 20kHz; Bass: ±7.0dB at 60Hz; Balance: -10dB

Phono Input, Audio Pre Out

THD (20Hz – 20kHz): <0.01% at 2V out Signal-to-Noise Ratio: >84dB (200 Ohm source; A-weighted, ref. 500mV out); >76dB (MM cartridge source, IHF; A-weighted, ref. 500mV out)
Input sensitivity: 1.44mV (ref. 500mV out, Volume maximum)
Frequency response: >±0.3dB (20Hz – 20kHz)
Maximum input signal at 1kHz: >80mVrms (ref. 0.1% THD)

Line Input, Headphone Out

THD (20Hz – 20kHz): <0.005% at 1V out Signal-to-Noise Ratio: >110dB (32 Ohms loads; A-WTD, ref. 2V out, unity gain)
Frequency Response: ±0.3dB (20Hz – 20kHz)
Channel Separation: >60dB at 1kHz
Output Impedance: 6 Ohms

DAC

Supported audio file formats: MP3, AAC, WMA, OGG, WMA-L, ALAC, OPUS
High resolution audio formats: MQA, FLAC, WAV, AIFF, Supports converted DSD playback via the BluOS desktop app (only)
Native sampling rates: up to 32bit/192kHz
Bit depths: 16 – 24

BluOS

Supported operating systems: Plays music from network shares on the following desktop operating systems: Microsoft Windows XP, 2000, Vista, 7, 8 to current Windows Operating Systems and Mac OS X versions

User interface mobile operating system: luOS – Free Android and iOS App available online at Google Play and Apple App store

Supported cloud services: Spotify, Amazon Music, TIDAL, Deezer, Qobuz, HDTracks, HighResAudio, Murfie, JUKE, Napster, Slacker Radio, KKBox, Bugs

Free internet radio: TuneIn Radio, iHeartRadio, Calm Radio, Radio Paradise

Bluetooth quality: Bluetooth aptX HD wireless built-in

Bluetooth connectivity: Two-Way (Transmit and Receive)

Network connectivity: Gigabit Ethernet RJ45, WiFi 5 (802.11 ac/n)

hi fi amplifiers

Hi-Fi Pre-Amplifiers

Reviews

There are no reviews yet.

Be the first to review “NAD C658 2 Channel Pre-Amplifier | BluOS Streaming DAC”

The C658 NAD 2 Channel Pre-Amplifier uses the latest technologies, combining a Network Streamer and DAC to offer you the best sound experience.

The highly flexible outputs allow for a true balanced connection to powered speakers or amplifiers. Single-ended connections for amplifiers and subwoofers are also provided and include an adjustable subwoofer crossover.

Also on board is BluOS, the most sophisticated High Res streaming system available.

Main Features:

  • BluOS Network Streaming with MQA Decoding
  • ESS Sabre DAC
  • Dirac Live Room Correction
  • Gigabit Ethernet
  • Dual Band Wi-Fi ac/n
  • 2-way Qualcomm aptX HD Bluetooth
  • 2 x MDC Slots for Future Expansion
  • MM Phono Input
  • 2 x Line Inputs
  • 2 x Optical Inputs
  • 2 x Coax Inputs
  • Balanced Preamp Output
  • Preamp Output
  • Stereo Subwoofer Output
  • High Current Headphone Out
  • USB socket for adding optional wireless output module
  • IR In with Learning Function
  • Trigger Out/In

Specifications

Weight
10.1 kg
Dimensions
43.5 × 10 cm
availability

Online, Store

THD (20Hz – 20kHz)

<0.005% at 2V out

Signal to noise Ratio

>106dB (IHF; A-weighted, ref. 500mV out, unity gain)

Channel Separation

>80dB (1kHz)
>70dB (10kHz)

impedance

Input – 22 kohms + 100pF, Output – Source Z + 240 Ohm

Maximum Input Signal

>4.5Vrms (ref. 0.1% THD)

sensitivity

Input – 93mV (ref. 500mV out, Volume maximum)

frequency response

±0.3dB (20Hz – 20kHz)

Maximum voltage output – IHF load

>4.5V (ref. 0.1% THD)

Tone Controls Treble

>±7.0dB at 20kHz; Bass: ±7.0dB at 60Hz; Balance: -10dB

Phono Input, Audio Pre Out

THD (20Hz – 20kHz): <0.01% at 2V out Signal-to-Noise Ratio: >84dB (200 Ohm source; A-weighted, ref. 500mV out); >76dB (MM cartridge source, IHF; A-weighted, ref. 500mV out)
Input sensitivity: 1.44mV (ref. 500mV out, Volume maximum)
Frequency response: >±0.3dB (20Hz – 20kHz)
Maximum input signal at 1kHz: >80mVrms (ref. 0.1% THD)

Line Input, Headphone Out

THD (20Hz – 20kHz): <0.005% at 1V out Signal-to-Noise Ratio: >110dB (32 Ohms loads; A-WTD, ref. 2V out, unity gain)
Frequency Response: ±0.3dB (20Hz – 20kHz)
Channel Separation: >60dB at 1kHz
Output Impedance: 6 Ohms

DAC

Supported audio file formats: MP3, AAC, WMA, OGG, WMA-L, ALAC, OPUS
High resolution audio formats: MQA, FLAC, WAV, AIFF, Supports converted DSD playback via the BluOS desktop app (only)
Native sampling rates: up to 32bit/192kHz
Bit depths: 16 – 24

BluOS

Supported operating systems: Plays music from network shares on the following desktop operating systems: Microsoft Windows XP, 2000, Vista, 7, 8 to current Windows Operating Systems and Mac OS X versions

User interface mobile operating system: luOS – Free Android and iOS App available online at Google Play and Apple App store

Supported cloud services: Spotify, Amazon Music, TIDAL, Deezer, Qobuz, HDTracks, HighResAudio, Murfie, JUKE, Napster, Slacker Radio, KKBox, Bugs

Free internet radio: TuneIn Radio, iHeartRadio, Calm Radio, Radio Paradise

Bluetooth quality: Bluetooth aptX HD wireless built-in

Bluetooth connectivity: Two-Way (Transmit and Receive)

Network connectivity: Gigabit Ethernet RJ45, WiFi 5 (802.11 ac/n)

hi fi amplifiers

Hi-Fi Pre-Amplifiers

Reviews

There are no reviews yet.

Be the first to review “NAD C658 2 Channel Pre-Amplifier | BluOS Streaming DAC”