NAD T755, Service Manual

Page: 5 / 95

5
DTS SECTION
Output Level (Vol 0 dB) : FL/FR/C/SL/SR Track 6 1 kHz 0.5 -0.2/+0.8 W
Channel Difference (FL ref) : FL/FR/C/SL/SR Track 6 1 kHz 0
±
1.0 dB
Harmonic Distortion (Audio Filter) : FL/FR/C/SL/SR Track 10-14 1 kHz
≤
0.08 %
Frequency Response (20 Hz to 20 kHz) Track 26-30 +2/-1.5 dB
Subwoofer Output Level 1 kHz ref at pre-out (FL) Play Track 10, charge to 15 12.5
±
1.5 dB
AM TUNER SECTION
Input level is expressed as the reading in open circuit
of 75-ohm source impedance signal generator
Usable sensitivity (999/1000 kHz)
≤
60 dB
μ
V
S/N Ratio (5 mV in)
≥
38 dB
THD (5 mV in)
≤
3 %
IF Rejection (450 kHz)
≤
36 dB
Image Rejection (F+2xIF)
≥
28 dB
Selectivity
≥
17 dB
Output 170 -20/+30 mV
Loop sensitivity (20 dB S/N)
999/1000 kHz
≤
66 dB
603/600 kHz
≤
66 dB
1404/1400 kHz
≤
66 dB
Frequency Response (100 - 2.3 kHz, 5 mV)
±
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)
≤
15 dB
μ ≤
15 dB
μ
v
S/N Ratio (60 dB, IHF wtd) Mono
≥
60 dB
≥
60 dB
Stereo
≥
63 dB
≥
63 dB
Frequency Response (20 Hz - 15 kHz, 60 dB
μ
) 0
±
1.5 dB 0
±
1.5 dB
Channel Separation (60 dB
μ
) 100 Hz
≥
30 dB
≥
30 dB
1 k
≥
32 dB
≥
32 dB
10 kHz
≥
30 dB
≥
30 dB
Alternate Channel Selectivity (40 dB
μ
,
±
400 kHz)
≥
60 dB
≥
45 dB
Capture Ratio (40 dB
μ
)
≤
3 dB
≤
3 dB
AM Suppression (60 dB
μ
, 100% Mod. FM, 30% Mod. AM)
≥
48 dB
≥
48 dB
Image Rejection (119.4 MHz)
− ≥
65 dB
I.F. Rejection (10.7 MHz)
≥
78 dB
−
Pilot Suppression (98 MHz)
≥
50 dB
≥
50 dB
THD (60 dBμ, L=R 75 kHz for AH, 40 kHz Dev for C) Mono
≤
0.5 %
≤
0.5 %
Stereo
≤
0.5 %
≤
0.5 %
Auto-Search Sensitivity On
≥
24 dB
μ ≥
24 dB
μ
Off
≤
15 dB
μ ≤
15 dB
μ
RDS decode Sensitivity
≤
26 dB
μ −
PHYSICAL SPECIFICATIONS
Dimensions (Width x Height x Depth) 435 x 160 x 393 mm
Net Weight 17.9 Kg (39.38 lbs)
Shipping Weight 22.7 Kg (49.94 lbs)