NAD C658 Preamplifier & DAC With BluOS Streaming
NAD C658 Preamplifier & DAC With BluOS Streaming

NAD C658 Preamplifier & DAC With BluOS Streaming

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Regular price$3,299.00
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The NAD C 658 is a preamplifier and digital audio converter with BluOS streaming capabilities, allowing users to stream and access music on any device within their home network. With high resolution digital recording and streaming, advanced technology like MQA, and the ESS Sabre 32bit DAC, the C 658 offers a pure high-res sound with a short analog signal path and sophisticated active power supplies, all in one cost-effective package.

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NAD C 658 Preamplifier & DAC With BluOS Streaming

The NAD C 658 is a Preamplifier and Digital Audio Converter with BluOs streaming capabilities. BluOs is a music management software that allows users to stream and access music on any device within your home network, allowing users to project audio using a smartphone, tablet, or controller. This powerful preamp helps audiophiles upgrade their sound system for the 21st Century by fulfilling the roles of a network streaming device, digital audio converter, and a standard preamp, all in one. This creates a highly controlled and balanced sound, in one neat, cost-effective package.

High Resolution in Every Detail
Most NAD components have been High Res for 45 years with very wide bandwidth, low distortion, and ultra-low noise. We just never had High Res source material to play. With High Res digital recording and streaming, combined with advanced technology like MQA, record companies are opening their vaults and releasing Studio Master Quality recordings. MQA decoding is available through BluOS Streaming content. The C 658 is pure High Res from input to output and features the ESS Sabre 32bit DAC , one of the best performing DACs on the market today with its 118dB Dynamic Range and incredibly low jitter spec. All preamp functions are executed in the digital domain including the same wide range non-truncating digital volume control used in our Masters Series components. This offers an incredibly short analog signal path that, rather uniquely, is identical for all volume settings. Sophisticated active power supplies provide super clean voltages to all circuits to keep noise and distortion at the edge of measurability.

FEATURES

  • BluOS Network Streaming with MQA Decoding
  • ESS Sabre DAC
  • Dirac Live Room Correction
  • Gigabit Ethernet
  • Dual Band Wi-Fi 5 a/c/n
  • 2-way Qualcomm aptX HD Bluetooth
  • 2 x MDC Slots for Future Expansion
  • USB socket for adding optional wireless output module
  • IR In with Learning Function
  • Trigger Out/In

Specifications

Line Input, Pre-Out

  • 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)
  • Input impedance (R and C) 22 kohms + 100pF
  • Maximum input signal >4.5Vrms (ref. 0.1% THD)
  • Output impedance Source Z + 240 Ohm
  • Input sensitivity 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


Phone 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 BluOS – Free Android and iOS App available online at Google Play and Apple App store
  • Supported cloud services Spotify, Amazon Music, TIDAL, Deezer, Qobuz, HDTracks, High ResAudio, 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)


Dimensions & Weight

  • Dimensions (W x H x D)** 435 x 100 x 405mm (17 1/8 x 3 15/16 x 16)
  • Shipping Weight 10.1kg (22.3lb)
  • Finish: Black


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    Product Type: Preamplifiers Amplifiers

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