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In-Dash

tm

THREE.2

Owner’s Enjoyment Manual

13

3. Using a small screwdriver, adjust the “Input Gain” con-

trol on the top of the THREE.2 until the yellow “Maximized” 
LED starts to flicker with the music (NOTE: If the Maximized 
light does not come on, because of the low output of the 
source unit, turn the Input Gain pot to maximum).

4. Turn off the entire system and attach the output RCA’s 

from the THREE.2 to the next component in line.

5. Turn down the gain con-

trol on your amplifiers to the 
least sensitive setting which is 
turning the gain control coun-
ter clockwise. This will allow 
you to drive a hotter signal in to 
your amplifiers. For more info 
on this, download Tech Note 1006 from our web site.

E. Adjusting The Equalizer

Stereo Bands:

 There are no specific guidelines as to 

setting the main equalizer controls on the THREE.2. Keep in 
mind that music can sound different depending upon who 
is listening and what type of music they are listening to. For 
some mid-bass kick, give the 125Hz knob a whirl. On the 
other hand if your front and rear speakers are having trouble 
keeping up with your subwoofer than crank 125Hz down 
a notch. If the vocals need some boosting or even toning 
down, us the 1.25KHz controls. The frosting on any record-
ing is always the higher frequencies. The 10KHz control lets 
you provide just enough frosting or you can cut back so you 
don’t get any cavities. There is no need to re-adjust the “Input 
Gains”, because they can handle the hot signal voltage the 
THREE.2 produces.

Figure 9:  Input Gain Controls

• Important Tip • 

 

 

If the Maximized light does not come on, because of the low 

output of the source unit, turn the Input Gain to maximum. Please 
refer to the amplifier manufacturers specifications on input volt-
age to determine whether you will need to decrease the “Input 
Gain” on the THREE.2 to avoid clipping the next component in 
line. If the next component in line is an AudioControl component, 
there  is no need to re-adjust the “Input Gains”, because they can 
handle the hot signal voltage the THREE.2 produces.

Summary of Contents for THREE.2 In-Dash

Page 1: ...und Better 22410 70th Avenue West Mountlake Terrace WA 98043 USA Phone 425 775 8461 Fax 425 778 3166 Owner s Enjoyment Manual System Controller Precision Equalizer Crossover with Auxiliary Inputs In D...

Page 2: ...Owner s Enjoyment Manual This page intentionally left blank...

Page 3: ...the sound quality and performance of any ampli fied car audio system but it provides you with an audiophile quality 24dB octave electronic crossover This new THREE 2 expands your system choices by pro...

Page 4: ...reference the THREE 2 is shipped in the following configuration Shipped Option Page Main Input Unbalanced Balanced 6 Aux Inputs Balanced Unbalanced 6 Ground Isolation Isolated 200 ohm or Ground 7 Inpu...

Page 5: ...or an Auxiliary input One is on the back panel for a permanent Aux in and the other is located on the front pan el If you just want to be able to plug an iPod in on occasion then you can use the front...

Page 6: ...bility That s right your AudioControl THREE 2 comes with a full 5 year parts and labor warranty when it is installed by an authorized United States AudioControl dealer These seasoned pro s have the tr...

Page 7: ...ep frequency 4 Subwoofer Level Control Exactly what it says it 5 is Controls the amount of signal that goes to the sub woofer output of your THREE 2 5 Fader When amplifier channels are connected to th...

Page 8: ...plifiers if applicable 10 Power Connections This nifty connector is a bless ing to anyone who has tried to wire up their gear with their head crammed under the dash You can wire up the power ground re...

Page 9: ...oofer all your amplifiers will get a full range signal 14 Illumination Selection These jumpers let you change the backlight illumination to Cool Blue or Hot Red Given that we are acclimated to sun fre...

Page 10: ...t can be mounted in the front and or the rear of the vehicle Mounting The THREE 2 is flexible enough to mount almost anywhere although somewhere on the dash or in a center console is the most logical...

Page 11: ...nt fused source of 12 volts we suggest the battery Ground Connection Use the same gauge wire as you did for the positive connector and run it from the Ground connector on the THREE 2 to the negative t...

Page 12: ...ous ways to configure the THREE 2 in your audio system Spend a little quality time planning out your system and even sketching it out on paper if you can The following diagrams are just a few of the p...

Page 13: ...Manual 11 Four channel and subwoofer amplifier RV Boat without a fixed source unit Figure 6 THREE 2 source unit 4 channel amp and sub amplifier Figure 7 The THREE 2 can be mounted into a boat or RV an...

Page 14: ...rs and make sure the only RCA cables between your head unit and the THREE 2 s main inputs are attached Turn the volume level knob on the THREE 2 to maximum 2 Play a favorite compact disc or MP3 that c...

Page 15: ...e of music they are listening to For some mid bass kick give the 125Hz knob a whirl On the other hand if your front and rear speakers are having trouble keeping up with your subwoofer than crank 125Hz...

Page 16: ...ra BASS system The Sweep control allows you to select a center frequency the frequency most affected between 40 and 80hz The Gain control then allows you to boost or cut at the selected frequency Hi S...

Page 17: ...2 Adjust gain levels 3 Lower volume level of source unit 4 Lower sub level Whine 1 Confirm that all components are using the same ground point 2 Change isolation selection of grounding jumpers See pa...

Page 18: ...ioControl dealer You do not have to be the original owner but you do need a copy of the original sales slip 4 You cannot let anybody who isn t A the AudioControl factory B somebody authorized in writi...

Page 19: ...B octave Linkwitz Riley Factory crossover setting 90Hz Power supply High headroom PWM switching Power draw 250mA Recommended fuse rating 1 Amp Illumination Color Blue or Red LED back lighting Size 1 H...

Page 20: ...tter 22410 70th Avenue West Mountlake Terrace WA 98043 USA 425 775 8461 Fax 425 778 3166 www audiocontrol com 2010 AudioControl a division of Electronic Engineering and Manufacturing Inc All rights re...

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