NAD C 268 - Reference Specifications; Audio Specifications; Dimension and Weight

AUDIO SPECIFICATIONS
ANALOG AUDIO INPUT/LINE OUT
THD (20 Hz – 20 kHz) <0.003 % at 2V out
Signal-to-Noise Ratio >110 dB (IHF; 20 Hz – 20 kHz, ref. 2V out)
Channel separation >90 dB (1 kHz)
>75 dB (10 kHz)
Input impedance (R and C) Single-ended: 33 kohms + 220 pF
Balanced: 10 kohms +20 pF
Maximum input signal >7.0 Vrms (ref. 0.1 % THD)
Output impedance 440 ohms
Frequency response ±0.1 dB (20 Hz - 20 kHz)
Maximum voltage output -IHF load >7.0 V (ref. 0.1 % THD)
ANALOG AUDIO INPUT/SPEAKER OUT
Continuous output power into 8 ohms and 4 ohms (Stereo mode) 80 W (ref. 20 Hz-20 kHz at rated THD, both channels driven)
Continuous output power into 8 ohms (Bridge mode) 300 W (ref. 20 Hz – 20 kHz at THD 0.03%)
THD (20 Hz – 20 kHz) <0.03 % (250 mW to 80 W, 8 ohms and 4 ohms)
Signal-to-Noise Ratio >98 dB (A-weighted, 500 mV input, ref. 1 W out in 8 ohms)
Clipping power (Stereo mode, at 1 kHz 0.1 % THD) >95 W
Clipping power (Bridge mode, at 1 kHz 0.1 % THD) >315 W
IHF dynamic power (Stereo mode, at 1 kHz 1 % THD) 8 ohms: 120 W
4 ohms: 200 W
2 ohms: 250 W
IHF dynamic power (Bridge mode, at 1 kHz 1 % THD) 8 ohms: 500 W
4 ohms: 560 W
Peak output current >20 A (in 1 ohm, 1 ms)
Damping factor >100 (ref. 8 ohms 20 Hz - 20 kHz)
Frequency response ±0.3 dB (20 Hz - 20 kHz)
Channel separation >80 dB (1 kHz)
>70 dB (10 kHz)
Input sensitivity (for 80 W in 8 ohms) Fixed Gain mode: 920 mV
Bridge Mode Gain
Line In – Balanced and Single-ended
Fixed Gain mode: 25 dB
Variable Gain mode: 14.5 dB – 34.5 dB
Bridge Mode Sensitivity
Line In – Balanced and Single-ended
Fixed Gain mode: 2.8 V for 300 W in 8 ohms
Variable Gain mode at maximum: 940 mV for 300 W in 8 ohms
Bridge Mode Gain, C 268 and C 368 (RHC Pre Out C 368 driving LHC Line Input C 268) Fixed Gain mode: 43 dB at maximum volume C 368
Bridge Mode Sensitivity (same conguration as above) 350 mV for 300 W
Standby power <0.5 W
DIMENSION AND WEIGHT
Gross dimensions (W x H x D) 435 x 100 x 390 mm
17 ⁄ x 3 ⁄ x 15 ⁄ inches
Net weight 7.3 kg (16.1 lbs)
Shipping weight 8.7 kg (19.2 lbs)
* - Gross dimension includes feet and extended rear panel terminals.
Specifications are subject to change without notice. For updated documentation and features, please check out www.NADelectronics.com for the latest information about C 268.
REFERENCE
SPECIFICATIONS
All specs are measured according to IHF 202 CEA 490-AR-2008 standard. THD is measured using AP AUX 0025 passive lter and AES 17 active lter.
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