NAD 7400 - Manual (Page 2)

PRE-AMP SECTION
Phono input
Input impedance
(R and C) MM 47k
Ω
/ 120pF
MC 47k
Ω
/ 120pF
Input sensitivity, 1kHz MM 0.28mV ref. 1W
MC 0.02mV ref. 1W
Signal/Noise ratio
(A-weighted with cartridge connected)
MM 76dB ref. 5mV
MC 76dB ref. 5mV
THD
(20Hz - 20kHz)
<0.04%
RIAA response accuracy (20Hz - 20kHz) ±0.5dB
Line level inputs
Input impedance
(R and C) 50k
Ω
/ 250pF
Input sensitivity
(ref. 1W)
15mV
Maximum input signal >10V
Signal/Noise ratio
(A-weighted ref 1W)
96dB
Frequency response (20Hz - 20kHz) ±0.3dB
Line level outputs
Output impedance
Pre-amp 600
Ω
Tape Source Z + 1k Ω
Maximum output level >10V
Tone controls
Treble
±12dB at 3, 6 or 12kHz
Bass ±12dB at 50, 120 or 250Hz
Bass EQ +3dB at 60Hz
+6dB at 36Hz
Infrasonic filter (Switchable) -3dB at 12Hz, 12dB / octave
POWER AMP SECTION
Continuous output power into 8
Ω
* 100W (20dBW)
Rated distortion (THD 20Hz - 20kHz) 0.03%
Clipping power (maximum continuous power per channel) 130W
IHF Dynamic headroom at 8 Ω +5.7dB
IHF dynamic power (maximum short term power per channel) 8
Ω
370W (25.7dBW)
4
Ω
400W (26dBW)
2
Ω
440W (26.4dBW)
Damping factor
(ref. 8 Ω , 50Hz)
>100
Input impedance 20k
Ω
/ 600pF
Input sensitivity (for rated power into 8 Ω ) 1V
Frequency response 3Hz - 100kHz +0, -3dB
Signal/noise ratio ref. 1W 98dB
ref. rated power 118dB
THD (20Hz - 20kHz) <0.03%
Bridged Mode
Continuous output power into 8
Ω
* 200W (23dBW)
IHF Dynamic headroom at 8 Ω +6dB
IHF dynamic power (maximum short term power per channel) 8
Ω
800W (29dBW)
4
Ω
880W (29.4dBW)
© NAD Electronics. All rights reserved. E & OE