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Brand : NAD
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NAD C658
The NAD C 658 is a new kind of stereo component, one that at once changes preconceptions and opens new possibilities for audio reproduction. You see, there has never before been a component offering such a rich palette of both new and proven technology. Bold statements?
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
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
PHONO INPUT, AUDIO PRE-OUT
THD (20Hz – 20kHz)
<0.01% at 2V out
Signal-to-Noise Ratio
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
DIMENSIONS AND 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)