NAU660
6-Channel Amplifier
NAU660
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
LEVEL | FILTER | FREQUENCY | BASS EQ | DIAGNOSTICS |
| LINE OUTPUT | |||||||
|
|
|
|
| CHANNELS 1 & 2 |
|
|
|
|
|
| MODE |
|
|
|
|
|
|
|
|
|
|
|
| PROTECT |
| |
|
|
|
|
|
|
|
|
|
|
|
| ||
|
|
|
|
|
|
|
|
|
|
|
|
| |
|
|
| 6V | .2V | LOW FLAT HIGH | 40Hz | 250Hz 0dB | 6dB |
| POWER | |||
|
|
|
|
| FREQUENCY | BASS EQ | |||||||
|
|
|
|
|
|
|
|
|
| LEVEL | FILTER | ||
|
|
|
|
| CHANNELS 3 & 4 |
|
|
|
|
| CHANNELS 5 & 6 |
| |
|
|
|
|
|
|
|
|
|
|
|
|
| |
|
|
|
|
|
|
|
|
|
|
|
|
| |
|
| LOW FLAT HIGH |
|
|
|
|
| LOW FLAT HIGH |
| ||||
6V | .2V |
| 40Hz | 250Hz | 0dB | 6dB | 6V .2V | 40Hz 250Hz | 0dB 6dB | ||||
LINE INPUT
6 Channel Full Range Stereo
6
FILTER 
FILTER 
FLAT
5/6CH FILTER 
LOW
LOW FLAT HIGHLOW FLAT HIGH
|
| 6V |
| |
|
| .2V |
| |
CHANNELS |
|
| LOW FLAT |
|
|
|
| ||
3 & 4 |
|
|
|
|
|
|
|
| |
|
| 250Hz |
| |
|
| 0dB |
| |
|
| 6dB |
| |
| LEVEL | POWER | PROTECT | |
CHANNELS5&6 | FILTER | |||
FREQUENCY |
|
| ||
|
|
|
| |
|
|
| ||
|
|
|
|
|
|
|
|
|
|
| |
| |
| |
| LEVEL |
CHANNELS 1 | FILTER |
& 2 |
|
| FREQUENCY |
| BASS EQ |
| DIAGNOSTICS |
LINE OUTPUT MODE
NAUTIC
5 |
6 |
5 Channel Operation |
| FILTER |
|
6 | 5 | FILTER | FLAT |
|
| FILTER | FLAT |
Nautic |
| 5/6CH FILTER | LOW |
& |
|
| 5/6CH set to 80Hz. |
| Repeat these steps for |
|
|
|
5/6 |
|
|
|
&
LOW FLAT HIGHLOW FLAT HIGH
|
| 6V |
| |
|
| .2V |
| |
CHANNELS |
|
| LOW FLAT |
|
|
|
| ||
3 & 4 |
|
|
|
|
|
|
|
| |
|
| 250Hz |
| |
|
| 0dB |
| |
|
| 6dB |
| |
| LEVEL | POWER | PROTECT | |
CHANNELS5&6 | FILTER | |||
FREQUENCY |
|
| ||
|
|
|
| |
|
|
| ||
|
|
|
|
|
|
|
|
|
|
| |
| |
| |
| LEVEL |
CHANNELS 1 | FILTER |
& 2 |
|
| FREQUENCY |
| BASS EQ |
| DIAGNOSTICS |
LINE OUTPUT MODE
NAUTIC
5 |
6 |
8
