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3
SPECIFICATIONS
POWER AMPLIFIER AND PREAMPLIFIER SECTION
Rated distortion
(THD 20Hz-20 kHz FL/C/FR)
≤
0.08%
(THD 20Hz-20 kHz SL/SR)
≤
0.3%
Input Sensitivity
(ref. 8 ohms, 1 kHz)
180+/-30 mV
S/N Ratio
(A-wtd, 1KHz, 1W, 8 ohm)
≥
-75 dB
(A-wtd, 1KHz, 80W, 8 ohm)
FL/FR/C
≥
92 dB
SL/SR
≥
-90 dB
Frequency Response
(20 Hz - 20 kHz)
0 ± 0.8 dB
Channel Balance
(1 dB to -40 dB, 1 kHz)
≤
2 dB
(-41 dB to -50 dB, 1 kHz)
≤
3 dB
Audio muting at 1kHz
≥
53 dB
Headphone O/P in 0.1%, 600 ohm load, CD in 500mV, 1 kHz
≥
10V
Subwoofer out, 500mV in
(THD at 2V O/P, 100 Hz)
≥
0.5%
(S/N at 2V O/P, 100 Hz)
≥
80 dB
Crosstalk
(2V input, 10W, 1 kHz)
> -68 dB
Continuous average power output (L/R/C RL/RR 8ohms)
80 W
Controls
Bass
(at 500mV in, 1W out, 100 Hz)
± 9 dB
Treble
(at 500mV in, 1W out, 10 kHz)
± 9 dB
SURROUND SECTION
Channel separation
I/p mode : L, R
: 1V in, 1 kHz, Ch R, L
≥
45 dB
: o/p at unexpected, 1 kHz, Ch C
≥
35 dB
I/p mode : L= -R
: 1V in, 1 kHz, Ch R, L
≥
28 dB
: o/p at unexpected, 1 kHz, Ch C
≥
30 dB
I/p mode : L= R
: 1V in, 1 kHz, Ch R, L
≥
45 dB
: o/p at unexpected, 1 kHz, Ch SL, SR
≥
30 dB
Frequency Response
I/p mode : L, R
: 1V in, 1W, Ch R, L
40Hz
0 ± 1.5 dB
20kHz
0 ± 0.8 dB
I/p mode : L= R
: 1V in, 1W, Ch C
300Hz
0 ± 0.8 dB
20kHz
0 ± 0.8 dB
I/p mode : L= -R
: 1V in, 1W, Ch SL, SR
30Hz
0 ± 1.0 dB
6.5kHz
-3 ± 1.0 dB
S/N Ratio ( 200mV in, 1, A-WTD w/ 1k termination)
I/p mode : L, R
: 1 kHz, Ch L, R
≥
65 dB
I/p mode : L=R
: 1 kHz, Ch C
≥
65 dB
I/p mode : L=-R
: 1 kHz, Ch SL, SR
≥
65 dB
THD (2.2V in, 1W, w/ 80 kHz LPF, 1 kHz)
≤
0.2%
AC-3/DTS SECTION
Frequency Response
FL, FR, C, SL, SR:
200Hz
0 ± 0.8 dB
20kHz
0 ± 0.8 dB
Distortion 1W all channels
0.08%
S/N 1 W ( CCIR/ARM, 200 Hz NOTCH & 400 Hz HPF)
≥
85 dB
Содержание T761
Страница 1: ...NAD SERVICE MANUAL T 761 SURROUND SOUND RECEIVER T 761S U R R O U N D SOUND RECEIVER ...
Страница 14: ...14 PCB LAYOUT SPEAKER BOARD PRIMARY BOARD LED BOARD SECONDARY BOARD AC OUTLET BOARD ...
Страница 15: ...15 DIGITAL IN BOARD S VIDEO BOARD DIGITAL OUT BOARD ...
Страница 16: ...16 PSU BOARD COMPONENT VIDEO BOARD ...
Страница 17: ...17 LOAD BOARD VOLUME BOARD Top View Bottom View SURROUND AMP BOARD VIDEO 5 BOARD ...
Страница 18: ...18 AC3 BOARD COMPONENT SIDE ...
Страница 19: ...19 AC3 BOARD SOLDER SIDE ...
Страница 20: ...20 FRONT AMP BOARD ...
Страница 21: ...22 21 KEY BOARD COMPONENT SIDE KEY BOARD SOLDER SIDE ...
Страница 22: ...23 24 MAIN BOARD VIDEO BOARD MULTI CHANNEL BOARD AUDIO BOARD POWER SWITCH BOARD ...
Страница 70: ...SERVICE MANUAL NAD 2001 NAD ELECTRONICS INTERNATIONAL TORONTO ...