NAD 7155 - Preamplifier Section; FM Tuner Section; AM Tuner Section; Physical Specifications

Preamplifier Section
Phono Input
Input impedance,
Input sensitivity (1 kHz),
Input overload at 20 Hz/1 kHz/20 kHz.
THD (20 Hz - 20 kHz) and IM Dist. at +30 dB level.
RIAA response accuracy.
S/N ratio, IHF A-weighted, with cartridge connected.
Line Level Inputs (Aux., Tape)
Input Impedance.
Input sensitivity.
Maximum input signal.
Signal to noise ratio, A-weighted.
Frequency response, 20 Hz - 20 kHz.
Outputs
Preamp output impedance.
Maximum output level.
Tape output impedance.
Tape output infrasonic filter.
Controls
Treble.
Bass,
Speaker equalization.
Infrasonic filter.
Audio muting (low level).
MM:
Mc:
MM:
MC:
MM:
Mc:
MM:
MC:
R 47k ohms
C 100/200/320 pF
R 100 ohms
C 1000 pF
0.33 mV for 1 W out.
2.5 mV for 55 W out.
0.02 mV for 1 W out.
0.15 mV for 55 W out.
27 mV/230 mV/2 V.
1.2 mV/12 mV/88 mV.
<0.04 %
+0.5 dB.
80 dB re 5 mV.
80 dB re 0.5 mV.
R 10kohms;C 220 pF.
20 mV for 1 W out.
150 mV for 55 W out.
>10V
88 dB re 1 W.
103 dB re 55 W.
+0.5 dB.
800 ohms.
10 Vv.
1000 ohms (buffered).
—3dB at 15 Hz, 12 dB/octave.
+7 dB at 10 kHz.
+7 dB at 100 Hz.
+3 dB at 70 Hz.
+6 dB at 32 Hz.
— 3B at 15 Hz, 12 dB/octave.
— 20 4B.
EM Tuner Section
Input sensitivity
Mono, —30 dB THD +N:
Capture ratio at 25, 45 & 65 dBf.
AM rejection.
Selectivity,
Image rejection.
R. F. intermodulation.
|. F, rejection.
SCA rejection.
Subcarrier suppression (19 + 38 kHz).
THD at 100 % modulation,
Signal to noise ratio, A-weighted, 65 dBf.
Frequency response, 30 - 15 kHz.
Stereo separation (Dyn Sep off),
AM Tuner Section
Usable sensitivity.
Selectivity.
Image rejection.
|, F, rejection.
Physical Specifications
Dimensions (width x height x depth).
Net weight.
Shipping weight.
Power consumption.
Mono, 50 dB S/N:
Stereo, 50 dB S/N:
Stereo, 60 dB S/N:
Alternate channel:
Adjacent channel:
Mono:
Stereo:
Mono:
Stereo:
1 kHz:
30 Hz - 10 kHz:
50 usec. deemphasis 75 psec.
10.3 dBf. 9.8 dBf.
(1.8
#V/300
ohms)
(1.7
#V/300
ohms)
15.8 dBf. 13.2 dBf.
(3.2 nV) (2.5 uv)
33.2 dB. 32 dBf.
(25 nV) (22 uv)
43.1 dBf. 42 dBf.
(78 nV) (70 pv)
<1,.5 dB.
> 65 dB.
70 GB.
8 dB.
85 dB.
70 dB.
90 GB.
70 dB.
60 dB.
1 kHz 100 Hz - 6 kHz
0,09 % 0.2%
0,09 % 0.3%
82 dB.
75 dB.
(typ. 80 dB at 75 dBf)
+0.5 dB.
50 dB.
40 dB.
300 uV/meter.
35 dB.
50 dB.
50 dB.
42 x 10.8 x 38 cm.
16.5 x 4.25 x 15 in.
9.18 Kg./20 Ib, 4 oz.
10.6 Kg./23 Ib. 6 oz.
50/60 Hz at 110, 120, 220 or 240 VAC.
340 W.