Specifications; Power Amplifier Section; Dolby Digital Section; Dolby Pro Logic Ii Section - NAD T 763 Service Manual

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SPECIFICATIONS

POWER AMPLIFIER SECTION

Rated distortion
Input Sensitivity
S/N Ratio
Frequency Response
Channel Balance
Audio muting at 1 kHz
Subwoofer out, 500 mV in (THD at 2 V O/P, 100 Hz)
Crosstalk
Controls
Bass
Treble

DOLBY DIGITAL SECTION

Channel Difference(FL ref. Track 30)
Frequency Resporse at Dolby config.2
Harmonic Distortion
S/N Ratio
Channel Separation

DOLBY PRO LOGIC II SECTION

Frequency Resporse
I/P mode : L, R
I/P mode : L=R
I/P mode : L=-R
S/N Ratio (200 mV in, 1 W, A-WTD w/ 1 k termination)
I/P mode : L, R
I/P mode : L=R
I/P mode : L=-R
THD (2.2 V in, 1 W, w/ 80 kHz LPF, 1 kHz)
(Rated power level into 8 ohms, THD 20 Hz-20 kHz FL/C/FR)
(Rated power level into 8 ohms, THD 20 Hz-20 kHz SL/SR/BS)
(ref. 8 ohms, 1 kHz)
(A-wtd, 1kHz, 1 W, 8 ohm, SL/SR/BL)
(20 Hz - 20 kHz)
(1 dB to -40 dB, 1 kHz)
(-41 dB to -50 dB, 1 kHz)
(500 mV input, 10 W, 1 kHz)
(at 500 mV in, 1 W out, 100 Hz)
(at 500 mV in, 1 W out, 10 kHz)
(1 W, Audio LPF, Dolby Congfig 1)
(TRACK 30 for O/P 1 W, FAUSE)
(1 W, A-WTD FILTER)
: 1 V in, 1 W, Ch L/R
: 1 V in, 1 W, Ch /L/R
Ch C
: 1 V in, 1 W, Ch SL/SR
: 1 kHz, Ch L/R
: 1 kHz, Ch C
: 1 kHz, Ch SL/SR
SL Track 46 200 - 20 kHz ± ± ± ± ± 0.8 dB
SR Track 47 200 - 20 kHz ± ± ± ± ± 0.8 dB
C Track 44 200 - 20 kHz
FL Track 65 997 Hz
FR Track 67 997 Hz
SL Track 68 997 Hz
SR Track 69 997 Hz
C Track 66 997 Hz
CCIR / ARM
Audio LPF
A-WTD
Track 65 997 Hz
40 Hz
20 kHz
40 Hz
20 kHz
40 Hz
20 kHz
4
≤ 0.1 %
≤ 0.1 %
366 ± ± ± ± ± 20 mV
≥ ≥ ≥ ≥ ≥ - 75 dB
0 ± ± ± ± ± 1.0 dB
≤ 2 dB
≤ 3 dB
≥ ≥ ≥ ≥ ≥ 55 dB
≤ 0.5 %
≥ ≥ ≥ ≥ ≥ -57 dB
± ± ± ± ± 10 dB ± ± ± ± ± 2 dB
± ± ± ± ± 10 dB ± ± ± ± ± 2 dB
± ± ± ± ± 1.2 dB
± ± ± ± ± 0.8 dB
≤ 0.08 %
≤ 0.08 %
≤ 0.08 %
≤ 0.08 %
≤ 0.08 %
≥ ≥ ≥ ≥ ≥ 65 dB
≥ ≥ ≥ ≥ ≥ 70 dB
≥ ≥ ≥ ≥ ≥ 70 dB
≥ ≥ ≥ ≥ ≥ 60 dB
0 ± ± ± ± ± 2.0 dB
0 ± ± ± ± ± 2.0 dB
0 ± ± ± ± ± 2.0 dB
0 ± ± ± ± ± 2.0 dB
0 ± ± ± ± ± 2.0 dB
0 ± ± ± ± ± 2.0 dB
≥ ≥ ≥ ≥ ≥ 65 dB
≥ ≥ ≥ ≥ ≥ 65 dB
≥ ≥ ≥ ≥ ≥ 65 dB
≤ 0.2 %

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