Definitive Technology SuperCube I Manual de usuario

Congratulations! You are about to enter the world of truly astonishing bass

with your new Deﬁnitive Technology SuperCube Subwoofer. Your new

SuperCube Sub is a compact, high-quality powered subwoofer intended for

use in your superior music or home theater system.

These revolutionary subwoofers utilize state-of-the-art components and non-

resonant, low diffraction Monocoque cabinet construction to achieve the

most realistic, accurate and thrilling low frequency response possible.

• Built-in super high-power, high-current ampliﬁers and

electronic crossovers.

•Completely self-contained ampliﬁer and electronic crossover modules.

•Optimized ampliﬁer and driver design engineered for optimum load

matching and power transfer characteristics.

•Electronic crossovers with precise equalization.

• Auto On/Off Circuits.

• Advanced protection circuits.

•Continuously variable phase controls.

• Precision volume controls.

• Gold-plated 5-way Binding Post Connectors.

Their tremendous ﬂexibility allows for the easy,seamless integration of

SuperCubes into any two-channel or multichannel speaker system, delivering

true, accurate, extremely deep bass in any room. Toensure that you only

experience the ﬁnest performance possible from your new subwoofer, we

encourage you to take a moment (or a few) to read through this manual and

familiarize yourself with the recommended setup procedures for your new

SuperCube. Then, strap yourself in for the bass experience of a lifetime!

Get a FREE SuperCube button!

Email supercubesrule@deﬁnitivetech.com with your name and shipping address

and we’ll send you a button FREE! (Actual size: 2.5", white on red, metal pin back.)

SuperCube®Subwoofers

SuperCube I, II, III, Reference

and Trinity Signature Subwoofers

Owner’s Manual

CAUTION! To reduce the risk of electric shock and ﬁre, do not remove the cover or back

plate of this device. There are no user serviceable parts inside. Please refer all servicing to

licensed service technicians. Avis: Risque de choc electricque, ne pas ouvrir.

CAUTION! The international symbol of a lightning bolt inside a triangle is intended to alert

the user to uninsulated “dangerous voltage” within the device’s enclosure. The international

symbol of an exclamation point inside a triangle is intended to alert the user to the presence

of important operating, maintenance and servicing information in the manual accompanying

the device.

CAUTION! To prevent electrical shock, match wide blade of plug to wide slot, fully insert.

Attention: Pour eviter les chocs electriques, introduire la lame la plus large de la ﬁche dans

la borne correspondante de la prise et pousser jusqu'au fond.

CAUTION! To reduce the risk of electrical shock, do not expose this equipment to rain

or moisture.

1. Read Instructions—All safety and operating instructions should be read before operating the device.

2. Retain Instructions—The safety and operating instructions should be retained for future reference.

3. Heed Warnings—All warnings on the device and in the operating instructions should be adhered to.

4. Follow Instructions—All operating and safety instructions should be followed.

5. Water & Moisture—The device should never be used in, on or near water for risk of fatal shock.

6. Carts & Stands—The device should only be used on carts or stands recommended by the manufacturer.

7. Wall & Ceiling Mounting—The device should be mounted on a wall or ceiling only as recommended

by the manufacturer.

8. Ventilation—The device should always be located in such a way that it maintains proper ventilation. It

should never be placed in a built-in installation or anywhere that may impede the ﬂow of air through its

heat sink.

9. Heat—Never locate the device near heat sources such as radiators, ﬂoor registers, stoves or other

heat-generating devices.

10. Power Supply—The device should only be connected to a power supply of the type described in the

operating instructions or as marked on the device.

11. Power Cord Protection—Power cables should be routed so they are not likely to be stepped on or

crushed by items placed on them or against them. Special attention should be paid to areas where the

plug enters a socket or fused strip and where the cord exits the device.

12. Cleaning—The device should be cleaned in accordance with manufacturer’s instructions.

13. Periods Of Non-Use—The device should be unplugged when not being used for extended periods.

14. Dangerous Entry—Care should be taken that no foreign objects or liquids fall or are spilled inside

the device.

15. Damage Requiring Service—The device should be serviced by licensed technicians when:

•The plug or power supply cord has been damaged.

•Objects have fallen or liquid spilled inside of the device.

• The device has been exposed to moisture.

• The device does not appear to be operating properly or exhibits a marked change in performance.

•The device has been dropped or the cabinet becomes damaged.

16. Service—The device should always be serviced by licensed technicians. Only replacement parts

speciﬁed by the manufacturer should be used. The use of unauthorized substitutions may result in

ﬁre, shock, or other hazards.

Safety Precautions

CAUTION

RISK OF ELECTRIC SHOCK

DO NOT OPEN

Your new SuperCube subwoofer contains a built-in ampliﬁer and sophisticated

electronic crossover. There are several ways to install your subwoofer. One setup

is not considered “better” than another; rather, each is a function of what type of

entertainment system you own and how you plan to integrate your components.

Read the installation suggestions below to determine which options best suit

your needs. Please take care to perform all wiring procedures with your system

completely powered down.

Subwoofer Installation

Unpacking

Each loudspeaker leaves our plant in perfect condition. Any visible or concealed

damage most likely occurred in handling after it left our plant and should be

reported at once to your Deﬁnitive dealer or the delivery company that delivered

your loudspeaker. Please unpack your system carefully. Save all cartons and pack-

ing material in case you move or need to ship your system. Record the serial num-

ber found on the back of the subwoofer in the appropriate place on your warranty

card. Mail in your Warranty Card within 10 days of purchase.

Your Deﬁnitive Technology subwoofer has been designed to operate at frequencies

generally below 150 Hz. Because low-frequency information in this range essen-

tially is non-directional, your subwoofer can be located anywhere in your listening

room that is most convenient. Also, the continuously variable low pass ﬁlter oper-

ates at a very fast roll-off, ensuring great performance wherever you place your

subwoofer. There are, however, some general rules that you should bear in mind

when locating your subwoofer:

For maximum output, the subwoofer should be placed in a corner or against

the wall, leaving roughly 2- to 4-inch clearance between the subwoofer and

the wall(s).

Corner placement will increase the subwoofer’s efﬁciency, which in turn

will increase your system’s maximum output and improve the dynamic

capability of the subwoofer.

While one Deﬁnitive Technology subwoofer will always sound great, the

use of two subwoofers will deﬁnitely enhance your system’s performance

by providing a smoother and more consistent response pattern. Here, it is

recommended that you locate the subwoofers on the same side of the room

as the main speaker of the same channel.

Always remember that frequency response and output level are greatly

inﬂuenced by the subwoofer’s placement. A movement of even a foot or

two can dramatically change your system’s response characteristics. You

should experiment with placement in your particular listening room in

order to achieve the highest performance from your subwoofer.

Subwoofer Placement

Placement Inside a Cabinet or Cavity

The SuperCubes, because of their unique low-frequency radiation properties, can be

placed inside a cabinet or cavity with excellent results. Just be sure to leave at least

2inches of clearance on the sides and front of the subwoofer, and with the Trinity

Signature, 2 inches on the top, sides and rear if the subwoofer is placed on its back.

Low-Level Connections

Most often used is the LFE connection. Most receivers, preamps and decoders

feature a mono (line level) LFE/subwoofer output intended to be used with sub-

woofers. You can feed the mono or LFE subwoofer output of your receiver or

decoder to the LFE input on the subwoofer and achieve full performance.

[See

Diagram 1.]

Usually, these outputs have their own low-pass ﬁlter built into the

circuit, and if this is the case, you would normally input them into the LFE input.

The LFE inputs on your SuperCube subwoofer are direct coupled inputs which are

not affected by the subwoofer’s low-pass ﬁlter or low-pass crossover control. If the

sub or LFE output on your receiver or decoder does not have a low-pass crossover

LEFT

This is the usual hookup with Dolby Digital®

RIGHT

Diagram 1

Wiring Diagrams

or you wish to use the SuperCube subwoofer’s low-pass crossover and control in

addition to the low-pass crossover in your decoder, simply plug the sub or LFE

output of your decoder into the left or right low-level input of your SuperCube

subwoofer. However, in almost all cases, a dedicated LFE output already has its

program material tailored for input into an unﬁltered LFE input and as such

should be fed into the LFE input on your SuperCube.

Alternately, another way to hook up your Deﬁnitive Technology SuperCube

subwoofer is via the low-level input connectors which are gold-plated RCA-type

jacks designed to accept standard audio interconnect cables. For preamps and

decoders, run an interconnect from the left and right outputs of the preamp or

decoder to the left and right low-level inputs on the subwoofer. If you have two

sets of outputs, you can use one set of these; if not, you can put a Y-connector into

each output (left and right) and run half of each Y back into a (left and right) main

input on the preamp decoder, receiver or power amp and the other half into the

(left and right) low-level input on the subwoofer.

High-Level Speaker Wire Connections

Your Deﬁnitive Technology SuperCube subwoofer can also be hooked up via

high level connections. In this situation, you have the option of running your main

speakers “full range” or rolling off the low end by using the high-pass ﬁlter built

into the subwoofer. For high-level wiring, your interconnects are simply equal

distance lengths of high quality speaker cable.

To hook up your SuperCube subwoofer via the high-level connections, simply run

speaker cable from the right channel high-level connector on the subwoofer to the

right channel speaker connector of your receiver or ampliﬁer. Repeat this process

for the left channel. Please take care that the red (+) terminal on the subwoofer is

connected to the red (+) terminal on your receiver or ampliﬁer,and that the black

(-) terminal on your receiver or ampliﬁer is connected to the black (-) terminal on

the subwoofer. This will ensure absolute phase throughout your system.

Your main speakers can now be connected in one of two ways. If you wish to

utilize the high-pass ﬁlter built into your subwoofer,simply connect your main

speakers to the high-level out terminals on the subwoofer.

[See Diagram 2.]

Again, take care to make red to red (+) and black to black (-) terminal connec-

tions. This connection will provide a smoothly contoured roll-off of the low fre-

quencies going to your main speakers starting at 80 Hz. For more overall bass out-

put when using full-range main speakers, run the main speakers full range by

hooking them up directly to the amp. In many systems, if your speakers are true

full-range systems, you may ﬁnd that you get a more satisfying sound by running

the speakers full range and crossing your subwoofer in fairly low (40 – 70 Hz).

On the other hand, if you ﬁnd that you are overdriving your main speakers, you

will be able to play your system louder by using the built-in high pass crossover

for your main speakers.

The Advantages of Multiple Subwoofers

Deﬁnitive’s SuperCube subwoofers are engineered to be used singly or in

stereo pairs. With a single subwoofer,both left and right signals are sent to the

LEFT RIGHT

AMPLIFIER OR RECEIVER

NOTE: If you wish to run your main speakers full range with no low frequency

roll-off, hook them directly to the main speaker output terminals or your receiver

or ampliﬁer as in any normal hi-ﬁ system.

subwoofer wherein they are combined via the electronic crossover into one

composite signal. With stereo subwoofers, the left and right low frequency signals

are reproduced by their own individual subwoofers. The use of one subwoofer

achieves outstanding performance; however, the addition of a second subwoofer

(one for the left and one for the right channel) clearly offers the highest level of

performance achievable for both movies and music. The use of stereo subwoofers

smooths out the peaks and dips which result from the eigenmodes in your room.

Two subwoofers couple much better to the air in your room (four times better)

and of course offer double the power. In addition, some state-of-the-artDolby

Digital* home theater installations have begun to use a separate subwoofer

hooked up to the rear (surround) channels and we recommend this for the

absolute ultimate in performance.

Dual Subwoofer Connections

When hooking up a stereo pair of subwoofers, wiring is quite similar to traditional

high-level connections. Here, instead of running both speaker cables from your

receiver or ampliﬁer to the left and right high-level terminals on the subwoofer,

you will run the left channel to the left channel subwoofer and the right channel to

Diagram 2

* Dolby Pro-Logic, AC-3 and Dolby Digital are Registered Trademarks of Dolby Laboratories Licensing Corporation.

the right channel subwoofer. Again, take care to make red to red (+) and black to

black (-) terminal connections.

Don’t worry that on your left subwoofer the right channel terminals will be empty

and that on the right channel subwoofer the left channel terminals will be empty—

both channels are combined at the subwoofer’s input stage. There is a possibility

that with this type of wiring you may need to increase your gain a little bit for

proper balance.

Astereo subwoofer system using low-level connections is equally simple. From

your receiver or preamp, run an RCA-type interconnect from the left channel main

output to the left channel low-level input on the subwoofer you are using for the

left channel. The process should then be repeated for the right channel. In this

setup, main speaker connections are made between your receiver or ampliﬁer in a

traditional manner. If you are using dual subwoofers with a Dolby Digital System,

we suggest that each subwoofer receives its appropriate left or right channel signal,

plus an LFE signal (with the LFE plugged into the LFE input). You would then set

the Dolby Digital processor’s bass management system to “Large” left and right

main speakers and sub to “Yes.”

Your Deﬁnitive Technology SuperCube subwoofer is equipped with a full

complement of operating controls to ensure complete ﬂexibility and maximum

performance in any installation. Most of them basically are the “set and forget”

type, although occasionally certain controls will require minor adjustments.

Gain Control

On the back panel of your subwoofer is a gain (volume) control. This control is

used to raise or lower the output level of your subwoofer in relation to the other

speakers in your system.

Low Pass Filter

Your subwoofer’s back panel features a continuously variable low pass ﬁlter.

This ﬁlter is continuously variable between 40 and 150 Hz. It rolls off the high-

frequency response of your subwoofer.This low pass ﬁlter control is used to obtain

the optimum transition between the subwoofer and your main speakers. We receive

many questions from subwoofer owners asking us where to set the ﬁlter controls in

avariety of different setups. Although many people think that there is a speciﬁc

frequency at which to set the controls in their system, this can only be determined

by you. Experimentation is recommended (due to system placement and subjective

variables) to obtain the best sound for you.

High Pass Filter

Your subwoofer is equipped with a continuously variable high pass ﬁlter which is

used when you wire the low-level inputs of your subwoofer to a full-range signal

Operating Controls

and the low-level outputs of your subwoofer to the left and right channel inputs of

your ampliﬁer. [See Diagram 3.] When hooked up thusly, it allows you to vary the

low-frequency roll-off of your main speakers. This control only works using the

low-level inputs and outputs.

Phase Control

On the back of your subwoofer you will ﬁnd a continuously variable phase control,

with a range of 0–180 degrees. This control is used to perfectly blend the output

of your subwoofer with your main speaker and to compensate for any possible

problems due to placement constraints. The control should be set to “0” when

setting up your subwoofer. The effect of this control is somewhat subtle and many

people have difﬁculty setting it correctly. If in doubt, leave it set at “0.” Again,

experimentation with this control is recommended due to system and placement

variables; there is no “best place” to set it other than where it sounds best to you.

RIGHT

LEFT

Diagram 3

Installing Feet On the Back of the Trinity

Signaturefor On-Back Positioning

In order to make the Trinity Signature more ﬂexible for custom installations, we

have included optional feet which can be installed on the back of the subwoofer in

order to provide clearance for the controls if the sub is positioned on its back.

Powering Up the Active Subwoofer Section

Your SuperCube subwoofer contains a built-in, active powered subwoofer section

as well as an electronic crossover. Each SuperCube subwoofer must be plugged

into an electrical socket (use an unswitched outlet if possible) of the appropriate

voltage (as indicated on the back of your unit) using the plug on the end of the

black cord attached to the electronics module on the back of the loudspeaker. The

SuperCube subwoofer has a special circuit which automatically turns the powered

subwoofer section on when a signal is fed to the loudspeaker and does not require

an on/off switch. Please note that if you hear a pop from the speaker when the amp

powers up or powers down, this is normal. The red LED on the back panel will

light up when a signal is sensed and the ampliﬁer turns on. Please note that after

the cessation of a signal, it may take up to an hour for the ampliﬁer to actually turn

off. In some installations where radio frequency (RF) remotes are present in the

area the red light may remain on. This is nothing to be worried about as the amp

will be in low idle mode which uses virtually no power.

To prevent accidental damage to your subwoofer from overdriving the

system, the subwoofer features an internal overload protection circuit,

which will turn the subwoofer off or down when overdriven or over-

heated and will then resume normal operation after a few minutes.

Very Important: Setting Channel Balance

and Bass Management Systems

Dolby Digital and DTS 5.1 (6.1, 7.1) systems and decoders have a critical

channel balancing procedure for the left and right front speakers, center channel,

rears and subwoofer (if it is hooked up through the “LFE or Sub Out” low-level

connection) which must be followed if the system is to perform properly. We

have spoken with many system users with problems relating to the overall sound

of their system which could be clearly traced back to improper system balance.

In fact, many users never realize that there is a system balance procedure to

be followed.

Also note that Dolby Digital and DTS 5.1 (6.1, 7.1) systems and decoders have

bass management systems (systems which direct the bass to the various channels)

which vary from unit to unit. This bass management system must also be properly

adjusted. We have spoken with many system users with problems relating to the

overall sound of their system which could be clearly traced back to improper

bass management. In fact, many users never realize that there is a bass manage-

ment procedureto be followed.

There are predrilled holes under the grill cloth on the back of the sub. Two holes

are 2 inches from the top and 11/4inches from the sides and two holes are 21/4

from the bottom and 11/4from the sides. Simply locate the holes and gently tap in

the four brass inserts that come with the sub and screw in the feet.

If you experience any difﬁculties with your subwoofer, try the suggestions

described below. If you are still having problems, please consult your Deﬁnitive

Technology Authorized Dealer for assistance.

Make sure all your system interconnects and power cords are solidly in

their place.

Should you experience any level of ground hum or noise, try plugging the

subwoofer into the same circuit as your ampliﬁer. Please note that some

cable TV hookups induce hum into the whole system and require a special

isolation device. Please consult your dealer.

The system is provided with sophisticated internal protection circuitry.

If for some reason the protection circuitry is tripped, please turn down your

system’s volume and wait ﬁve minutes before trying the system again. If the

ampliﬁer should overheat, the system will turn itself off until the ampliﬁer

cools and resets.

Check to be sure that your power cord has not been damaged.

Check that no foreign objects or liquid have entered the cabinet.

Check the fuse on the back panel of the subwoofer.If the fuse is blown

replace it with an 8-amp 250-volt slow-blow fuse for the 110-volt version

and a 4-amp 250-volt slow-blow fuse for the 240-volt version.

If you cannot get your subwoofer to turn on or if no sound comes out and

you’re sure the system is set up properly,please bring the subwoofer to

your Deﬁnitive Technology Authorized Dealer for assistance.

Troubleshooting

It is our pleasure to offer assistance if you have any questions regarding your

subwoofer or its set-up. Please contact your nearest Deﬁnitive Technology dealer

or contact us directly at 410-363-7148 or www.deﬁnitivetech.com.

Technical Assistance

Service

Service and warranty work on your Deﬁnitive loudspeakers will normally be per-

formed by your local Deﬁnitive Technology dealer. If, however, you wish to return

the speaker to us, please contact us ﬁrst, describing the problem and requesting

authorization as well as the location of the nearest factory service center. Please

note that the address given in this booklet is the address of our ofﬁces only.

Under no circumstances should loudspeakers be shipped to our ofﬁces or

returned without contacting us ﬁrst and obtaining return authorization.

Deﬁnitive Technology Ofﬁces

11433 Cronridge Drive

Owings Mills, Maryland 21117

Phone: 410-363-7148

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