NAD 7080 - Specification

SPECIFICATION
ee eA AL debs ala te I
*
Measurements
identified
by
an
asterisk
are
taken
in
accordance
with
the
new
IHF
A-202
amplifier
measurement
standard.
Power Amplifier Section
*
Rated distortion, 20—20K Hz
* Clipping headroom at 8 ohms
Clipping power at 8 ohms
at 4 ohms
at 2 ohms
Dynamic headroom at 8 ohms
Dynamic power at 8 ohms
at 4 ohms
at 2 ohms
Reactive load rating
Transient Overload Recovery Time
Slew Factor
Slew Rate
Damping factor at 50 Hz (Ref. 8 ohms)
T.H.D. 20—20K Hz From 250 mW to 80W
S.M.P.T.E. I.M.D. (60 Hz + 7KHz, 4:1) From 250mW to 80W
LH.F. 1M.D.(19KHz + 20KHz) at 80W
T.I.M. (1SKHz Sine + 3.18KHz Square Wave) at 80W
Frequency Response, 20—20K HZ
Frequency Response Range + 3dB
Preamplifier Section
* Input Impedance Resistance/Capacitance
Input Sensitivity (1 KHz) * For! watt out
| 80Watt out
Input Overload at 1KHz
20 Hz
20 KHz
THD (20—20K Hz) and IMD at + 30dB input level
RIAA Response Accuracy
Siqnal to Noise Ratio A—weighted
(a) with phono cartridge connected Ref 10mV
* Ref SmV
(b) with short-circuit input Ref !OmV
High level input
* Inputimpedance Resistance/Capacitance
Input sensitivity * For 1! watt out
For 80 watt out
Signal to Noise Ratio, A—Weighted
(a) with mute off * Ref 1 watt out
Ref 80 watt out
(b) with mute on — Ref 1 watt out
* Maximum input signal
Rrequency Response, 20—20K Hz
Controls
Bass control, range at 50 Hz
Treble control, range at 10 KHz
Infrasonic filter Turn over frequency
Slope (dB/octave)
High filter Turn over frequency
Slope (dB/octave)
Continuous average power output at 8 ohms 20-20K Hz both channel driven
<< 0.03%
90W
< 0.03%
+1.6db
130W
160W
180W
+2.5db
160W
200W
220W ;
+2.5db
< lusec
> _50
40V/Nsec
120
< 0.03%
< 0.04%
< 0.03%
+ 0.5db
5—S0kHz
47k0Y/47PF
0.25mV :
2.5mV
200mV
20mV ,
2.0V ,
< 0.01% )
+ 0.3db ,
> 82db_ ,
> 76 db |
> 90db
50k§2/100PF
16mV
150mV
> 80db
> 95db
> 85db
Infinite
+ 0.5db
+ 1jand +13db
+t 6and + 9db
20Hz
12
8K Hz
12