Cadence Q DRIVE SERIES Przewodnik Instalacji Pobierz pdf (Strona 4)

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ADJUSTING THE SYSTEM

Once the system is operational, the rst thing to do, is set all crossover points to approximate

settings. In the case of the basic sub woofer system Low Pass lter crossover at 100 Hz or so. Set the

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

Now you should set the ampliers Input Sensitivity adjustment. The knob accessible on the side of

the amplier marked INPUT GAIN adjusts the input sensitivity from 150mV to 8 Volts.

To adjust the input sensitivity, turn the control using a small at 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

amplier 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 amplier’s gain separately. Start o with the bass

amplier, then adjust the highs amplier’s level control to match.

Once you are satised 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 ampliers level controls.

*** The level control of any car amplier 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

amplier. Do not adjust the amplier gain to maximum unless your input level requires it.

If your unit has been professionally installed please do not change the gain settings set by the

installer, he is the professional!

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 rst setting

up the system.

USING THE ELECTRONIC CROSSOVER - 4 CHANNEL MODELS (VEGAS + CHICAGO)

The four channel models feature separate crossovers for channels 1-2 and 3-4. All the

United Series ampliers 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 150Hz. 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 ampliers for component speakers or coaxial, you will want to set the

CROSSOVER MODE switch to HIGH PASS. The FREQUENCY control knob adjusts the

high pass frequencies between 50Hz and 500Hz. Do not attach tweeters directly to the

amplier even in the high pass mode without a secondary passive crossover to protect

them. 500Hz high pass is not a frequency high enough for tweeters.

PASSIVE SUBSONIC FILTERING

For sub woofer installations with a passive LP crossover, you can set the amplier’s

CROSSOVER MODE selector to HIGH PASS while setting the FREQUENCY KNOB to 40Hz,

this will act as SUBSONIC FILTER for all signals below 40Hz. This is especially useful for

vented enclosures where the port tuning frequency falls below the sub woofer tuning

frequency to protect against sub woofer unloading.

MOUNTING THE AMPLIFIERS:

Choose a convenient mounting location with unobstructed airow.

The United ampliers feature four mounting tabs located at the ampliers four corners.

Using the supplied screws and grommets, gently mount the amplier in to position.

*** Do not over tighten the screws.***

The United Series ampliers are supplied with built-in fuses, never replace the fuse that the amp

came with, with one of a larger value.

We suggest you construct a Red wiring harness with 2 additional fuses. One fuse should be

located near the car battery. This fuse near the battery oers protection against damage from

short circuits to the car chassis between the battery and the amplier. A second fuse closer to

the amplier oers additional safety to the amplier itself. This fused red power wire should be

attached to the amplier power terminal marked 12V+.

The wire harness should be made of red primary cable of at least 4 gauge for all United Series

ampliers. The harness should terminate in a large ring terminal for connection directly to the

positive terminal of the car battery. Use a spade plug to attach the wire, which connects to the

amplier location marked 12V+.

A second black color wire of equal gauge should be used as a ground connection to a welded

chassis member. When connecting the ground wire make sure that there is no paint or other

insulator blocking a good ground connection. When installing multiple ampliers, mount them

in close proximity so that they can all share the same ground point. Attach the black ground wire

to the amplier screw terminal marked Ground.

We recommend that you use the Cadence AMPKIT4 or AMPKIT8 amplier installation kits, which

contains all the cabling and accessories necessary for a good, reliable installation.

BATTERY

FUSE

GROUND

REMOTE

TURN ON

Terminal of

head unit

Installation Basics Mounting and Wiring

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