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Specifications - NAD T748 Service Manual

Av surround sound receiver
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Amplifier Section
Output Power(Front):
. F
. T
C
R
t a
o i
: n
8
0
w
t a
s t
R
M
S
p
r e
b
o
h t
c
h
a
n
n
e
s l
d
i r
e v
20Hz to 20KHz with no more than 0.08%
t
t o
l a
h
r a
m
o
n
c i
d
s i
Surround Output Power (0.08% THD, 1KHz, 8 ohms):
4
5
+
4
5
W
a
t t
F (
o r
4
5
W
t a
( t
C
e
n
e t
) r
4
5
+
4
5
W
a
t t
S (
u
) r r
45 + 45 Watt (Back Surr)
Total Harmonic Distortion (Front):
0
0 .
8
%
(
t a
4
5
W
a
t t
Audio input Sensitivity/Impedance :
*
L
n i
e
:
2
5
0
m
V
4 /
Output Level / Impedance
* REC : 250 mV/2.2Kohms
F
e r
q
e
n
c
y
R
e
s
p
o
n
s
e
*
L
n i
e
:
2
0
H
z
-
1
0
Signal-to-Noise Radio : 1 Watt
*
L
n i
e
:
8
5
d
B
(
H I
T
o
n
e
C
o
n
r t
l o
BASS : +/- dB at 100Hz
TREBLE : +/- dB at 10KHz
Digital audio Section
S
a
m
p
e l
n i
g
F
e r
q
e
n
c
y
32KHz, 44.1KHz, 48KHz, 96KHz, 192KHz
D
g i
t i
l a
n I
p
t u
L
e
e v
I / l
m
C
o
a
x
a i
: l
0
5 .
V
- p
p
O
p
c i t
l a
- :
1
5
d
B
m
Video Section
Input Level/Impedance : 1.0Vp-p/75ohms
Output Level/Impedance : 1.0Vp-p/75ohms
*Linemeans Source 1~4, Front, MP
* Improvements may result in specifications and features
changing without notice
* Illustrations may differ slightly from production models.

SPECIFICATIONS

c
h
a
n
n
l e
m
i n i
m
u
m
,
n
n i
o t
8
o
h
m
s
f
o r
m
o t
t r
o i
n
n
) t
, s
1
K
H
) z
7
K
o
h
m
s
:
0
K
H
, z
+
3
- /
3
d
B
- F
) A
:
p
e
d
a
n
c
e
7 /
5
o
h
m
s
~
-
2
1
d
B
m
FM Tuner Section
(Without notes 100.1MHz, 60dB)
T
u
n
n i
g
R
a
n
g
e
8
7
5 .
A
M
S
u
p
p
e r
s s
o i
n
T
t o
l a
H
r a
m
o
n
c i
M
o
S
e t
Freqency Response : 50Hz - 13KHz, +3/-3dB
S
e t
e r
o
S
e
p
r a
t a
o i
S
g i
n
l a
t -
- o
N
o
s i
e
Mono : 60dB
AM Tuner Section
T
u
n
n i
g
R
a
n
g
: e
C
5 :
AH:520KHz-1710KHz(10KHz steps)
U
s
a
b
e l
S
e
n
i s
v i t
y t i
Total Harmonic Distortion : 1.0%
S
g i
n
l a
t -
- o
N
o
s i
e
General
Power Requirements :
C : AC230V, 50Hz
A
H
Power Consumption : C : 2.0A
A
C
O
t u
e l
s t
:
u
n
s
i D
m
e
n
s
o i
n
( s
W
x
W
e
g i
t h
n (
t e
: )
1
1
Factory Reset
The select AM mode, then press/hold
"listening mode" button.
1-5
M
H
z
-
1
0
8
0 .
M
H
z
C
A
H
1 :
R
t a
o i
:
C
:
4
5
d
B
AH : 45 dB
D
s i
o t
t r
o i
n
1 (
K
H
z
: )
n
o
:
0
8 .
%
e r
o
:
1
0 .
%
n
1 (
K
H
z
: )
C
:
3
0
d
B
A
H
:
3
0
d
B
R
a
i t
: o
2
2
K
H
- z
1
6
2
0
K
H
z
9 (
K
:
5
5
d
B
R
t a
o i
:
3
5
d
B
:
A
C
1
2
0
, V
6
0
H
z
AH : 4.5A
i w
h t
e
d
x
, 1
T
t o
l a
100W max.(1A)
H
x
D
: )
4
3
5
x
1
6
7
x
5 .
K
g
5 :
0
K
H
z
t s
eps
0
0
K
H
z
s
e t
p
s
H
z
s
e t
p
) s
3
97

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