NAD C420, Руководство по обслуживанию

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3
SPECIFICATIONS
AM TUNER SECTION
Input level is expressed as the reading in open-circuit
of 75-ohm source impedance signal generator
Usable Sensitivity (999/1000kHz)
≤
30dBµ
S/N Ratio (5mV in)
≥
38dB
THD (5mV in)
≤
3%
IF Rejection (450kHz)
≥
36dB
Image Rejection (F+2xIF)
≥
28dB
Selectivity
≥
17dB
Output 130 +/-20mV
Loop Sensitivity (20dB S/N)
999/1000 kHz
≤
66 dB
603/600 kHz
≤
66 dB
1404/1400 kHz
≤
66 dB
Frequency response (100 - 2.3 kHz, 5mV) ±6 dB
FM TUNER SECTION
*C *AH
Input level is expressed as the reading in open-circuit
of 75-ohm source impedance signal generator
Usable Sensitivity (98 MHz)
≤
13 dBµ
≤
13 dBµ
Signal / Noise Ratio Mono
≥
72 dB
≥
72 dB
(60 dBµ, IHF wtd) Stereo
≥
66 dB
≥
66 dB
Frequency Response (20 Hz - 15 kHz, 60 dBµ) 0±1.0 dB 0±1.0 dB
Channel Separation (60 dBµ) 30 Hz
≥
33 dB
≥
33 dB
1 kHz
≥
42 dB
≥
42 dB
10 kHz
≥
32 dB
≥
32 dB
Alternate Channel Sensitivity
(40 dBµ, ±400 kHz)
≥
60 dB
≥
45 dB
Capture Ratio (40 dBµ)
≤
3 dB
≤
3 dB
AM Suppression
(60 dBµ, 100% Mod.FM, 30% Mod AM)
≥
65 dB
≥
65 dB
Image Rejection (119.4 MHz)
≥
85 dB
≥
85 dB
I.F. Rejection (10.7 MHz)
≥
78 dB
≥
78 dB
Pilot Suppression (60 dBµ)
≥
60 dB
≥
60 dB
THD (60 dBµ, L=R 75 kHz for AH, 40 kHz Dev for C)
Mono
≤
0.25%
≤
0.25%
Stereo
≤
0.35%
≤
0.35%
Auto-Search sensitivity On
≥
24 dBµ
≥
24 dBµ
Off
≤
15 dBµ
≤
15 dBµ
RDS Decode Sensitivity
≤
26 dBµ
≤
26 dBµ
PHYSICAL SPECIFICATIONS
Dimensions (Width x Height x Depth)
435 x 80 x 285 mm
Net weight 4 kg (8.8 lbs)
Shipping weight 5.1 kg (11.22 lbs)