Cadence Xenith Xa400.1 Installation Guide download pdf (Page 6)

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ADJUSTING THE SYSTEM

Once the system is operational, the first thing to do, is set all crossover points to approximate settings. In the case of the basic sub woofer system Low Pass filter crossover at 100 Hz or

so. Set the Bass Boost equalizer controls to 0 dB ( Flat Switch Position.)

Now you should set the amplifiers Input Sensitivity adjustment. The knob accessible on the side of the amplifier marked INPUT GAIN adjusts the input sensitivity from 200mV to 8Volts.

To adjust the input sensitivity, turn the control using a small flat head screwdriver fully counter clock wise to the minimum position. Do not apply any pressure while turning as this might

break the control unit. Adjust your radio volume level to maximum volume. Now turn the level control on the amplifier clockwise towards the Maximum marking until audible distortion

occurs. When you begin to hear any distortion in the sound, back down one notch and your amp is set. It is helpful to have a second person to help you set the gain.

When setting up a multi-amp system, set each amplifier’s gain separately. Start off with the bass amplifier, then adjust the highs amplifier’s level control to match.

Once you are satisfied with the level control settings, use any equalizer controls to adjust the system tonal level for personal preference. Keep in mind that after equalizing, you may

have to go back and reset the amplifiers level controls.

The level control of any car amplifier should not be mistaken for a volume control. It is a sophisticated device designed to match the output level of your source unit to the

input level of the amplifier. Do not adjust the amplifier gain to maximum unless your input level requires it.

Your system can also be extremely sensitive to noise when the LEVEL is set to maximum and does not match your input signal. The gain adjustments need to be made only once when

first setting up the system.

The four channel models feature separate crossovers for channels 1-2 and 3-4. All the Xenith Series amplifiers feature 12dB per octave fully adjustable low-pass and high pass

electronic crossovers.

FOUR CHANNEL AMPLIFIER CONFIGURATIONS.

1. All four channels High Pass for internal component speakers in doors and rear decks.

2. Channels 1 and 2 High Pass for front component speakers, while channels 3 and 4 are wired to sub woofers.

3. Bridge channels 1 and 2 for single high power sub woofer channel. Bridge channels 3 and 4 for second high power sub woofer channel.

For Low Pass systems, set the CROSSOVER MODE switch to LOW PASS. Now the knob marked FREQUENCY will control the low pass frequencies from 40Hz to 160Hz. A frequent

mistake made is setting the low pass frequency too low, especially when using vented sub woofer enclosures. We recommend that for most installations you do not set the frequency

knob lower than 100Hz (the 12 o’clock position).

When using the amplifiers for component speakers or coaxial, you will want to set the CROSSOVER MODE switch to HI PASS. The FREQUENCY control knob adjusts the high pass

frequencies between 40Hz and 600Hz. Do not attach tweeters directly to the amplifier even in the high pass mode without a secondary passive crossover to protect them. 600Hz high

If your unit has been professionally installed please do not change the gain settings set by the installer, he is the professional!

USING THE ELECTRONIC CROSSOVER - 4 CHANNEL MODEL

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Cadence Xenith Xa400.1 Installation Guide Page 6

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