NAD T 743 Service Manual

5
DTS SECTION
Output Level (Vol 0 dB) : FL/FR/C/SL/SR Track 6 1 kHz 2.5
±±
±±
± 0.2 W
Channel Difference (FL ref): FL/FR/C/SL/SR Track 6 1 kHz
±±
±±
± 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
Subwoofer Output Level 1 kHz ref at pre-out (FL) Play Track 10, charge to 15 12.5
±±
±±
± 2 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)
≤≤
≤≤
≤ 30 dB
µµ
µµ
µV
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 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,*CT *AH,*AHT
Input level is expressed as the reading in open circuit
of 75-ohm source impedance signal generator
Usable sensitivity (98 MHz)
≤≤
≤≤
≤ 15 dB
µµ
µµ
µ
≤≤
≤≤
≤ 15 dB
µµ
µµ
µv
S/N Ratio (60 dB, IHF wtd) Mono
≥≥
≥≥
≥ 63 dB
≥≥
≥≥
≥ 63 dB
Stereo
≥≥
≥≥
≥ 63 dB
≥≥
≥≥
≥ 63 dB
Frequency Response (20 Hz - 15 kHz, 60 dB
µµ
µµ
µ) 0
±±
±±
± 1.5 dB 0
±±
±±
± 1.5 dB
Channel Separation (60 dB
µµ
µµ
µ) 100 Hz
≥≥
≥≥
≥ 30 dB
≥≥
≥≥
≥ 30 dB
1 k
≥≥
≥≥
≥ 38 dB
≥≥
≥≥
≥ 38 dB
10 kHz
≥≥
≥≥
≥ 30 dB
≥≥
≥≥
≥ 30 dB
Alternate Channel Selectivity (40 dB
µµ
µµ
µ,
±±
±±
± 400 kHz)
≥≥
≥≥
≥ 60 dB
≥≥
≥≥
≥ 45 dB
Capture Ratio (40 dB
µµ
µµ
µ)
≤≤
≤≤
≤ 3 dB
≤≤
≤≤
≤ 3 dB
AM Suppression (60 dBµ, 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)
≥≥
≥≥
≥ 60 dB
≥≥
≥≥
≥ 60 dB
THD (60 dB
µµ
µµ
µ, 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 dB
µµ
µµ
µ
≥≥
≥≥
≥ 24 dB
µµ
µµ
µ
Off
≤≤
≤≤
≤ 15 dB
µµ
µµ
µ
≤≤
≤≤
≤ 15 dB
µµ
µµ
µ
RDS decode Sensitivity
≤≤
≤≤
≤ 26 dB
µµ
µµ
µ
−−
−−
−
PHYSICAL SPECIFICATIONS
Dimensions (Width x Height x Depth) 435 x 150 x 390 mm
Net Weight 13.3 Kg (29.30 lbs)
Shipping Weight 16.9 Kg (37.20 lbs)

NAD T 743 Specifications

General

Brand	NAD
Model	T 743
Category	Receiver
Language	English