Speci Fication - NAD 7020 Service Manual

SPEC I FICATION
FM Tuner
Section
nput Sensitivity 1 HF, 30 dB quieting
1HF,50dB S/N Mono/Stereo
Signal to Noise Ratio (A weighted, at 65 dBf) Mono/Stereo
Frequency Response, 30—15K Hz
De-emphasis Accuracy 75j, Sec
Channel Separation 1 K Hz
30—15K Hz
Selectivity, Alternate Channel (400KHz)
Capture Ratio at 45 dBf and 65 dBf
AM Suppression at 45 d8f and 65d8f
Image Rejection
IF. Rejection
SCA Rejection
Pilot Signal Suppression
THD at 100% Modulation 1 KHz Mono/Stereo
100 Hz Mono/Stereo
6KHz Mono/Stereo
THD Stereo 1 KHz 50%/i 50%
AM Tuner Section
Usable Sensitivity
Sensitivity
Image Rejection
IF Rejection
Audio Section
*
measurements identified by an asterisk are taken in accordance with the
new IHF A-202 amplifier measurement standard.
Preamplifier Section
*1 nput I mpedance Resistance/Capacitance
Input Sensitivity (1 K Hz)
*For 1 Watt out/20 Watt out
Input Overload at 20Hz/i K Hz/20K Hz
T.H.D (20—20K Hz) and I.M.D at +30dB input level
RIAA Response Accuracy 2OHz—2OKHz
Signal to Noise Ratio A Weighted
(a)
With phono cartridge connected
Ref iOmV/*Ref 5mV
(b)
With short-circuit input Ref lOmV
High Level Input
*1 nput impedance Resistance/Capacitance
Input Sensitivity *For 1 Watt out/For 20 Watt out
Signal to Noise Ratio, A—Weighted *Ref 1 Watt out
Ref 20 Watt out
*Maximum input signal
Frequency Response, 20—20 K Hz
Controls
Bass control range at 50Hz
Treble control range at 10K Hz
Infrasonic filter Turn Over frequency (From Normal IN)
Slope (dB/octave)
Power Consumption
Weight
Dimension
Height x Width x Depth (mm)
1 .8V
3.5V/45V
75dB/7OdB
±0.5dB
±0.5dB
42dB
32dB
62dB
1.5dB
60dB
50dB
75dB
70dB
55dB
0.2%/0.3%
0.2%/0.3%
0.3%/0.4%
0.3%/0.4%
350 1 V
30dB
45dB
40dB
> 20W
<0.02%
+1.5dB
28W/37 t/42W
+3dB
40t/58W/72W
+1.7dB
<lji Sec
> 50
i8V/t Sec
>55
<0.02%
<0.02%
<.1102%
<0.02%
±
0.5dB
10—70K Hz
47K/100pF
0.5mV/2.5mV
27mV/270mV/2V
<0.02%
within ±0.5dB
8OdB/75dB
84dB
2OKW1 OOpF
3OmV/1 5OmV
> 80dB
>110dB
Infinite
±0.5dB
±
10dB
±
7dB
15Hz
12
1SOVA
7.5Kg
120 x 420 x 240
Power Amplifier Section
*Continuous average power output at 8 ohm 20—20K Hz both channel driven
Rated distortion
*Clipping headroom at 8 ohm
Clipping power at 8 ohm/4 ohm/2 ohm
Dynamic headroom at 8 ohm
Dynamic power at 8 ohm/4 ohm/2 ohm
*Rctive load rating
*Transient Overload Recovery Time
*Slew Factor
Slew Rate
Damping factor at 50 Hz (Ref. 8 ohm)
T.H.D 20-20K Hz From 250m W to 20W
S.M.P.T.E I.M.D (60Hz
+
7KHz, 4:1) From 250mW to 20W
I.H.F I.M.D(19KHz+2OKHz)at2OW
T.I.M (15K Hz Sine+ 3.18K Hz Square Wave) at 20W
Frequency Response, 20-20K Hz (From Lab. IN)
Frequency Response Range
±
3dB
2