6.3 Setting Crossovers
Using both the High Pass and Low Pass controls you can set the crossovers according to your
speakers frequency response. Setting the crossovers correctly allows for a louder and clearer
sound without damaging the speakers or amplifier.
For detailed information on how to tune the crossover correctly contact your local authorized
Aquatic AV dealer for tuning recommendations.
6.1 Setting Operating Level
The gain control allows the nominal operating level of the amplifier to be set from 200mV to 4V
for RCA inputs or 600mV to 10V for speaker level inputs.
After installation follow these steps and then follow section 6.4 ‘Final System Checks’.
1. Turn the gain control all the way counter clockwise.
2. Turn the ignition switch on.
3. Turn the source unit on.
4. Turn loudness off and set all tone or equalisation controls to flat positions.
5. Play music content from the source unit and set the volume to 75% of full level.
6. Slowly increase the gain control. Stop when you hear a slight distortion in the signal and
decrease the gain slightly below this threshold.
6.2 Setting Bass Boost
The amplifier includes a Bass Boost circuit which acts much like an equalizer with variable gain
fixed at 50Hz.
Use this control to tune low-frequency (bass) responses. The added boost produces rich, full bass
tones that are normally difficult to reproduce.
1. Set the Bass Boost control to off.
2. Listen to a variety of music styles and increase the bass boost control until you notice an
increase in low bass response.
If you don’t want to boost the bass frequencies, set this control to minimum.
if you hear a pop caused by speaker over exertion, lower the bass boost to prevent damage to speaker.
Amplifier Operation
AD600.5 COMPACT 5/4/3 CHANNEL AMPLIFIER
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