Reference; Specifications - NAD C 658 Owner's Manual

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.
PREAMPLIFIER SECTION
LINE INPUT, AUDIO PRE-OUT
THD (20 Hz – 20 kHz)
Signal-to-Noise Ratio
Channel separation
Input impedance (R and C)
Maximum input signal
Output impedance
Input sensitivity
Frequency response
Maximum voltage output -IHF load
Tone controls
PHONO INPUT, AUDIO PRE-OUT
THD (20 Hz – 20 kHz)
Signal-to-Noise Ratio
Input sensitivity
Frequency response
Maximum input signal at 1kHz
LINE INPUT, HEADPHONE OUT
THD (20 Hz – 20 kHz)
Signal-to-Noise Ratio
Frequency response
Channel separation
Output impedance
DAC SECTION
Supported audio file formats
Hi-Resolution audio formats
Native sampling rates
Bit depths
<0.005 % at 2 V out
>106 dB (IHF; A-weighted, ref. 500 mV
out, unity gain)
>80 dB (1 kHz)
>70 dB (10 kHz)
22 kohms + 100 pF
>4.5 Vrms (ref. 0.1 % THD)
Source Z + 240 ohms
93 mV (ref. 500 mV out, Volume
maximum)
±0.3 dB (20 Hz - 20 kHz)
>4.5 V (ref. 0.1 % THD)
Treble: ±7.0 dB at 20 kHz
Bass: ±7.0dB at 60 Hz
Balance: -10dB
<0.01 % at 2 V out
>84 dB (200 ohms source; A-weighted,
ref. 500 mV out)
>76 dB (MM cartridge source, IHF;
A-weighted, ref. 500 mV out)
1.44 mV (ref. 500 mV out, Volume
maximum)
±0.3 dB (20 Hz - 20 kHz)
>80 mVrms (ref. 0.1 % THD)
<0.005 % at 1V out
>110 dB (32 ohms loads; A-WTD, ref. 2V
out, unity gain
±0.3 dB (20 Hz - 20 kHz)
>60 dB at 1kHz
6 ohms
MP3, AAC, WMA, OGG, WMA-L, ALAC,
OPUS
MQA, DSD, FLAC, WAV, AIFF
up to 32bit/192 kHz
16 – 24
BLUOS SECTION
Supported operating systems
User interface mobile operating system
Supported cloud services*
Free internet radio*
Bluetooth quality
Bluetooth connectivity
Network connectivity
DIMENSION AND WEIGHT
Gross dimensions (W x H x D) **
Shipping weight
* - Supported cloud services and free internet radio are subject to change without notice.
** - Gross dimension includes feet, volume knob and extended rear panel terminals including
installed antennas.
Specifications are subject to change without notice. Check out
updated documentation or latest information about C 658.

REFERENCE

SPECIFICATIONS

Plays music from network shares on the
following desktop operating systems:
Microsoft Windows XP, 2000, Vista, 7, 8 to
current Windows Operating Systems and
macOS versions
BluOS - Free Android and iOS App
available online at Google Play and Apple
App store
Amazon Alexa, Amazon Music, Spotify,
Deezer, Qobuz, HDTracks, HighResAudio,
Murfie, JUKE, Napster, Slacker Radio,
KKBox, Bugs
TuneIn Radio, iHeartRadio, Calm Radio,
Radio Paradise
Bluetooth aptX HD wireless built-in
Two-Way (Receive and
Transmit/Headphones)
Gigabit Ethernet RJ45
Wi-Fi 5
435 x 100 x 405 mm
17 1/8 x 3 15/16 x 16 inches
10.1 kg (22.3 lbs)
www.NADelectronics.com for
21