Addictive audio B250.4 Manuale d'uso e installazione - Pagina 11

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Adjusting the Amplifier

1. Disconnect the negative battery post and secure it to something so
accidental re-connection does not occur during the installation process.
2. Run all wires needed for the amplifier to work correctly. Do not attach the
fuse in the fuse holder by the battery until all wires have been plugged into
the amplifier.
3. Turn the amplifiers gain and boost all the way down (counter clockwise).
4. As a good "starting point" set low pass filter to 80Hz (7 clicks), set the
subsonic to the tuning frequency of your enclosure
on pg.13 for exact tuning)
5. Make sure Bass EQ switch is set to OFF and the Strap Mode switch is set
to MAS.
6. If using the supplied Remote Gain Control (Bass knob) turn the dial all the
way up to the max. (full clockwise)
7. Attach the recommended fuse
the main battery.
8. Re-attach the negative battery post from step 1.
9. Turn the head unit on and start at a low volume. Check amplifier to make
sure all wires are correct and no protection lights are on.
10. Set the head unit's tone controls, balance, and fader to the center or flat
position. Be sure to turn off any loudness or other signal processors.
11. Use a very clear original recording not mp3 or burned cd. Turn the volume
of the head unit to its maximum undistorted volume. On most quality head
units this is around 7/8 of the maximum volume.
12. Slowly turn up the gain (clockwise) to match the voltage output of the head
unit or until the speakers reach the maximum undistorted output. Keep an
eye on the clipping LED!
13. Re-adjust the low pass filter and phase if needed.
, and set the phase to 0.
(refer to fuse chart on pg.4)
11
(refer to EASY CLICK chart
to the fuse holder by