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NL4
Separate
Ch A 1+ / 1-
A
Ch B 2+ / 2-
1
B
1+ / 1-
Ch C 1+ / 1-
C
Ch D 2+ / 2-
1
D
1+ / 1-
A+B Bridged
X
1+ / 1-
Y
1
For Bi-Amp operation.
AC Power On
After connecting the outputs to the loudspeakers, you may turn the amplifier on.
1. Make sure the output gain settings for all audio-source devices (CD Players, Mixers, Instruments, etc.) at the lowest output (max attenuation).
2. Turn on all audio sources.
3. Turn the AC Mains power switch on the back of the amplifier to ON. The amplifier starts in the state it was in when power was removed.
4. You can now bring up the outputs of your audio sources.
Power Distribution Charts
The following charts show the maximum power output for each channel in each configuration, and under different loads.
Configuration
4 CH (A B C D)
3 CH (AB C D)
3 CH (A+B C D)
2 CH (AB CD)
2 CH (AB C+D)
2 CH (A+B C+D)
2 CH Alt (ABC D)
1 CH (ABCD)
1 CH (AB+CD)
Mode
AB Parallel
ABC Parallel
1+ / 1-
1+ / 1-
1+ / 1-
1+ / 1-
CD Parallel
1+ / 1-
1+ / 1-
1+ / 1-
C+D Bridged
AB+CD Bridged
2+ / 2-
1+ / 1-
1
1+ / 1-
— Table 1 —
PLD 4.3 — Total Power!: 2500
8Ω Load
A
B
C
D
625
625
625
625
1000
625
625
1250
625
625
1000
1000
1000
1250
1250
1250
1100
625
1100
2500
— Table 2 —
ABCD Parallel
1+ / 1-
1+ / 1-
1+ / 1-
1+ / 1-
4Ω Load
A
B
C
D
A
650
650
650
650
600
1200
650
650
1150
650
650
1200
1200
1200
1150
1150
1150
2000
650
2100
2370
15
Output Connectors
Standard
Bridged
A
B
C
D
— Figure 24 —
2Ω Load
B
C
D
600
600
600
1200
600
600
625
600
600
1200
1200
1200
625
625
625
2500
600
2500
2230
TD-000368-00-A
X
Y
EN

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