NAD C 658

PRODUCT DETAILS

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

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- 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, 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)

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)