NAD M28 後級擴大機

產品規格

FTC power, two channels

≥ 220 W (ref. rated THD, 8 Ohms , 20 Hz - 20 kHz, two channels driven) ≥ 400 W (ref. rated THD, 4 Ohms , 20 Hz - 20 kHz, two channels driven)

Rated power, all channels

≥ 200 W (ref. rated THD, 8 Ohms , 20 Hz - 20 kHz, all channels driven) ≥ 340 W (ref. rated THD, 4 Ohms , 20 Hz - 20 kHz, all channels driven)

Rated THD (250 mW to rated power, CCIF IMD, DIM 100)

≤0.003 % (ref. 20 Hz - 20 kHz)

IHF dynamic power

280 W 8 Ohms, (all channels driven) 560 W 4 Ohms, (one channel driven)

Damping factor

1.3 V (ref. rated power)

Input impedance Input Impedance (r and c)

47 kΩ (Balanced) 23 kΩ (Single-ended)

Damping Factor

>750dB (ref. 8 Ohms, 50Hz and 1kHz)

Frequency Response

±0.1dB (ref. 20Hz-20kHz)

Input Impedance

47 kilohm (Balanced)

Signal/noise ratio

> 102dB (A-weighted ref. 1W, Balanced) > 97 dB (A-weighted ref. 1W, Single-ended) > 124 dB (A-weighted ref. rated power, Balanced) > 120 dB (A-weighted ref. rated power, Single-ended)

Frequency response

± 0.1 dB (ref. 20 Hz - 20 kHz) - 3 dB at 3 Hz to 60 kHz

Time to go to Standby mode at no input signal

≤ 30 minutes

Standby power

≤ 0.5W

Gross dimensions WxHxD

435 x 156 x 380 mm (17 3/16 x 6 3/16 x 15”)

Shipping Weight

21.2 kg (46.7 lbs)