Nautic, Channel amplifier nau660, Nau660 – MB QUART NAU260 User Manual
Page 8: 6 channel full range stereo, 5 channel operation, 6filter filter filter filter flat flat low 5/6ch
8
6-Channel Amplifier
NAU660
NAU660
6 Channel Full Range Stereo
Features:
- PROTECTION and POWER LED indicators
- BASS EQ: 45Hz bass boost from 0dB to 6dB
- FREQUENCY: Variable based on FILTER selection
- In LOW the FREQUENCY is variable from 40Hz to 250Hz
- In HIGH the FREQUENCY is variable from 250Hz to 4KHz
- FILTER:
- LOW: Selects built in LOW PASS filter
- FLAT: Bypasses all crossovers for full frequency range operation
- HIGH: Selects built in HIGH PASS filter
- Input LEVEL sensitivities are variable from 0.2volts to 6volts
- Capable of 4ohms or 2ohms operation per channel, or 4ohms mono
LINE OUTPUT
DIAGNOSTICS
MODE
POWER
PROTECT
CH-2
CH-1
CH-6
CH-4
CH-5
CH-3
CH-2
CH-1
2-CH
6-CH 4-CH
LINE INPUT
LEVEL
FILTER
FREQUENCY
BASS EQ
6V
.
2V
HIGH
LOW FLAT
40Hz
250Hz 0dB
6dB
CHANNELS 1 & 2
CHANNELS 3 & 4
CHANNELS 5 & 6
LEVEL
FILTER
FREQUENCY
BASS EQ
6V
.
2V
HIGH
LOW FLAT
40Hz
250Hz 0dB
6dB
6V
.
2V
HIGH
LOW FLAT
40Hz
250Hz 0dB
6dB
6
FILTER
FILTER
FILTER
FILTER
FLAT
FLAT
LOW
5/6CH
6
5
LIN
E
O
U
TP
U
T
D
IA
G
N
O
S
T
IC
S
M
O
D
E
P
O
W
E
R
P
R
O
T
E
C
T
C
H
-2
C
H
-1
C
H
-6
C
H
-4
C
H
-5
C
H
-3
C
H
-2
C
H
-1
2
-C
H
6
-C
H
4
-C
H
L
IN
E
IN
P
U
T
LE
VE
L
FIL
TE
R
FR
E
Q
U
E
N
C
Y
BA
SS
EQ
6
V
.2
V
H
IG
H
L
O
W
F
L
A
T
40
Hz
25
0H
z
0d
B
6d
B
C
H
A
N
N
E
L
S
1
&
2
C
H
A
N
N
E
L
S
3
&
4
C
H
A
N
N
E
L
S
5
&
6
LE
VE
L
FIL
TE
R
FR
EQ
U
EN
C
Y
BA
SS E
Q
6
V
.2
V
H
IG
H
L
O
W
F
L
A
T
40
Hz
25
0H
z
0d
B
6d
B
6
V
.2
V
H
IG
H
L
O
W
F
L
A
T
40
Hz
25
0H
z
0d
B
6d
B
5 Channel Operation
Nautic
6
5
&
&
Repeat these steps for
5/6
FILTER
FILTER
FILTER
FILTER
FLAT
FLAT
LOW
5/6CH
5/6CH set to 80Hz.
6
5
LIN
E
O
U
TP
U
T
D
IA
G
N
O
S
T
IC
S
M
O
D
E
P
O
W
E
R
P
R
O
T
E
C
T
C
H
-2
C
H
-1
C
H
-6
C
H
-4
C
H
-5
C
H
-3
C
H
-2
C
H
-1
2
-C
H
6
-C
H
4
-C
H
L
IN
E
IN
P
U
T
LE
VE
L
FIL
TE
R
FR
E
Q
U
E
N
C
Y
BA
SS
EQ
6
V
.2
V
H
IG
H
L
O
W
F
L
A
T
40
Hz
25
0H
z
0d
B
6d
B
C
H
A
N
N
E
L
S
1
&
2
C
H
A
N
N
E
L
S
3
&
4
C
H
A
N
N
E
L
S
5
&
6
LE
VE
L
FIL
TE
R
FR
EQ
U
EN
C
Y
BA
SS E
Q
6
V
.2
V
H
IG
H
L
O
W
F
L
A
T
40
Hz
25
0H
z
0d
B
6d
B
6
V
.2
V
H
IG
H
L
O
W
F
L
A
T
40
Hz
25
0H
z
0d
B
6d
B
NAUTIC
NAUTIC