2-Channel Amplifier
NA180.2
5
LINE OUTPUT
CH-1
CH-2
LINE INPUT
CH-1
CH-2
LEVEL
6V 0.2V
0dB 9dB
BASS EQ
LOW FLAT HIGH
FILTER
40Hz 250Hz
FREQUENCY
POWER
PROTECTION
FEATURES:
- 1 Set of RCA inputs
- LEVEL: Variable sensitivity from 0.2V to 6V
- BASS EQ: Adjustable 45Hz bass boost from 0dB to 9dB
- X-OVER: Selects internal crossover functions
- FLAT: Bypasses all crossovers for full frequency operation
- LOW: Selects the built in LOW PASS filter
- HIGH: Selects the built in HIGH PASS filter
- POWER LED: Indicates the powered up and turned on condition
- PROTECTION LED: Indicates a high voltage, low voltage, short circuit,
hard clip, over heating or DC fault condition.
- LINE OUTPUT: Full range RCA pass through.
2 Channel Full Range Stereo:
Control checklist:
Interconnect cable checklist:
- Refer to the section “Settings for Best Performance”
- Connect the two inputs of the amplifier to a Radio/CD with quality RCA cables.
Switch setting checklist:
Minimum final loudspeaker impedances:
- 1/2CH X-OVER: FLAT
Bridged for Subwoofer Application:
- Connect the mono speaker positive terminal to the CH1 +, and its negative terminal to CH2 -
Here we show how to use the 2 channel amplifiers to power a subwoofer by taking
as shown.
advantage of the mono bridging capability of all MB Quart amplifiers.
Interconnect cable checklist:
Switch setting checklist:
- A MONO signal source is suggested to bridge channels 1/2, such as would be
- X-OVER: LOW
available from the mono sub bass output of an active crossover, whether standalone, or
Control checklist:
built into a head unit or equalizer. If you only have 1 set of RCA outputs from your
- Refer to the section “Settings for Best Performance”
headunit, you can simply connect those to the inputs for CH1-2 and the amplifier will
Minimum final loudspeaker impedances:
auto sum the signal and provide mono output.
- 2 ohm per channel in stereo mode.
Important: Do not be tempted to connect the hot, or positive outputs, from any source
- 4 ohm mono bridged.
together to obtain a mono signal, as this could very well damage the output stage of
that source.
POWER INPUT
POWER INPUT
GND REM BATT+12V
GND REM BATT+12V
SPEAKER OUTPUT
SPEAKER OUTPUT
CH-1 CH-2
CH-1 CH-2
- + - +
- + - +
BRIDGED
BRIDGED
FUSE
FUSE
MONO LINE INPUT
(Unless using procedure
described above)
LINE OUTPUT
LINE OUTPUT
CH-1
CH-1
CH-2
CH-2
LINE INPUT
CH-1
CH-2
LINE INPUT
CH-1
CH-2
LEVEL
6V 0.2V
LEVEL
6V 0.2V
0dB 9dB
0dB 9dB
BASS EQ
BASS EQ
LOW FLAT HIGH
LOW FLAT HIGH
FILTER
FILTER
40Hz 250Hz
40Hz 250Hz
FREQUENCY
FREQUENCY
POWER
PROTECTION
POWER
PROTECTION
(17 pages)
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