Supercube I
Supercube I
SuperCube® Subwoofers®
SuperCube I, II, III and Reference Subwoofers
Owner's Manual
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.
CAUTIONl 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 al1 servicing to
licensed service technicians. Avis: Risque de choc electricque, ne pas ouvrir.
CAUTIONl 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 ~nd servicing information in the manual accompanying
the device.
CAUTION l To prevent electrical shock, match wide blade of plug to wide slot, ful1y 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.
CAUTIONl 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.
Subwoofer Installation
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 detennine which options best suit
your needs. Please take care to perfonn all wiring procedures with your system
completely powered down.
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.
Subwoofer Placement
Your Definitive Technology subwoofer has been designed to operate at frequencies
generally below 150 Hz. Because low-frequency infonnation 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 perfonnance wherever you place your
subwoofer. There are, however, some general rules that you should bear in mind
when locating your subwoofer:
1. For maximum output, the subwoofer should be placed in a comer or against
the wall, leaving roughly 2- to 4-inch clearance between the subwoofer and
the walles).
2. Comer placement will increase the subwoofer's efficiency, which in tum
will increase your system's maximum output and improve the dynamic
capability of the subwoofer.
3. While one Definitive Technology subwoofer will always sound great, the
use of two subwoofers will definitely enhance your system's perfonnance
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.
4. 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 perfonnance from your subwoofer.
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5. Your subwoofer contains a powerful amplifier inside its cabinetry. When
placing the subwoofer into a built-in cabinet, please be sure it receives
a clear flow of cooling air. If your subwoofer is to be located in a closed-
back cabinet, be sure to put some ventilation holes in the cabinet back
behind the subwoofer's back panel.
Wiring Diagrams
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
or you wish to use the SuperCube subwoofer's low-pass crossover and control in
( (+) (+)\
....... . . . , ~ . . . . . . . . . . . . . . . . . . . LFE u.~
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MAIN SPEAKERS
RECEIVER/PREAMP/DECODER
LEFT RIGHT
SUBWOOFER
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Diagram 1
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.
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MAIN P AKERS
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RIGHT LQJ 4€)fGSr1lG~-+J
AMPLIFIER OR RECEIVER
Diagram 2
* Dolby Pro-Logic, AC-3 and Dolby Digital are Registered Trademarks of Dolby Laboratories Licensing Corporation.
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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
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.
Operating Controls
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.
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 perlectly 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,
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MAIN SPEAKERS
LEFT RIGHT
Diagram 3
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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.
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 procedure to be followed.
Technical Assistance
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.
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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Specifications
SuperCube' Reference
Dimemions 163j4''Wx 163j4"D x 167Jg"H
Frequency Response 11 Hz-200Hz
Driver Complement One 14" long-throw SupeICube Technology subwoofer coupled to
two 14" infrasonic radiators.
Amplifier 1800 watts Digitally-Coupled Gass Damplifier
Low-Level High-Pass Filter 12 dB/octave continuously variable (40-150 Hz)
Speaker Level High-Pass Filter 6dB/octave (80 Hz)
Low-Level Low-Pass Filter 24 dB/octave continuously variable (40-150 Hz) plus unfiltered LFE direct
coupled input
Phase Control 0- 180 degrees continuously variable
Fuse Size 8-amp 2SD-volt slow-blow fuse, Bussman MDL or Littelfuse 313 type for the
110-volt version and 4-amp 2S0-volt slow-blow fuse for the 24O-volt version
SuperCube' I
Dimensions 14W'W x 14'/4"D x 14'fg"H
Frequency Response 13Hz-200Hz
Driver Complement One 10" long-throw SupeICube Technology subwoofer coupled to
two 10" infrasonic radiators
Amplifier IS00 watts Digitalfy-Coupled Class Damplifier
Low-Level High-Pass Filter 12 dB/octave continuously variable (4O-lS0 Hz)
Speaker Level High-Pass Filter 6dB/octave (80 Hz)
Low-Level Low-Pass Filter 24 dB/octave continuously variable (4O-lS0 Hz) plus unfiltered LFE direct
coupled input
Phase Control 0- 180 degrees continuously variable
Fuse Size 8-amp 2SD-volt slow-blow fuse, Bussman MDL or Littelfuse 313 type for the
IIO-volt version and 4-amp 25O-volt slow-blow fuse for the 240-volt version
SuperCube' II
Dimensions 12"Wx 12"Dx 12W'H
Frequency Response 14Hz-200Hz
Driver Complement One 8" long-throw SupeICube Technology subwoofer coupled to
two 8" infrasonic radiators
Amplifier 12S0 watts Digitally-Coupled Class Damplifier
Low-Level High-Pass Filter 12 dB/octave continuously variable (4O-lS0 Hz)
Speaker Level High-Pass Filter 6dB/octave (80 Hz) .
Low-Level Low-Pass Filter 24 dB/octave continuously variable (4O-lS0 Hz) plus unfiltered LFE direct
coupled input
Phase Control 0- 180 degrees continuously variable
Fuse Size 8-amp 2SD-volt slow-blow fuse, Bussman MDL or Littelfuse 313 type for the
11O-volt version and 4-amp 2SD-volt slow-blow fuse for the 240-volt version
SuperCube' III
Dimemions 10WOW x 10 W'D x 10 W'H
Frequency Response 16Hz-200Hz
Driver Complement One 7!j2" long-throw SupeICube Technology subwoofer coupled to
two 7!j2" infrasonic radiators
Amplifier 6S0 watts Digitally-Coupled Class Damplifier
Speaker Level High-Pass Fdter 6dB/octave (80 Hz)
Low-Level Low-Pass Filter 24 dB/octave continuously variable (40 -ISO Hz) plus unfiltered LFE direct
coupled input
Phase Control 0-180 degrees continuously variable
Fuse Size 8-amp 2SD-volt slow-blow fuse, Bussman MDL or Littelfuse 313 type for the
11O-volt version and 4-amp 2S0-volt slow-blow fuse for the 240-volt version
Visit us at www.definitivetech.com
Defective Products must be shipped, together with proof of date of purchase, prepaid insured to the
Authorized Dealer from whom you purchased the Product, or to the nearest factory service center.
Product(s) must be shipped in the original shipping container or its equivalent; in any case the risk of
loss or damage in transit is to be borne by you. If, upon examination at the Factory or a Definitive
Technology Authorized Dealer, it is determined that the unit was defective in materials or workmanship
at any time during this Warranty period, Definitive Technology or the Definitive Technology Authorized
Dealer will, at its option, repair or replace this Product at no additional charge, except as set forth below.
All replaced parts and Product(s) become the property of Definitive Technology. Product(s) replaced or
repaired under this Warranty will be returned to you, within a reasonable time, freight collect.
This Warranty does not include service or parts to repair damage caused by accident, misuse, abuse,
negligence, jnadequate packing or shipping procedures, commercial use, voltage in excess of the rated
maximum of the unit, cosmetic appearance of cabinetry not directly attributable to defects in materials
or workmanship, or service, or repair or modification of the Product which has not been authorized by
Definitive Technology.
Definitive TechnoLogy makes no Warranty with respect to its Products purchasedfrom deaLers
or outLets other than Definitive TechnoLogy Authorized DeaLers.
This Warranty is in Lieu ofaLL other expressed Warranties. If this Product is defective in materiaL or
workmanship as warranted above, your soLe remedy shall be repair or repLacement as provided above.
In no event wiLL Definitive TechnoLogy be LiabLe to you for any incidentaL or consequentiaL damages
arising out ofthe use or inability to use the Product, even if Definitive TechnoLogy or a Definitive
TechnoLogy Authorized DeaLer has been advised ofthe possibility ofsuch damages, orfor any claim
by any other party. Some states do not allow the exclusion or Limitation ofconsequentiaL damages,
so the above Limitation may not appLy to you.
ALL implied warranties on the Product are Limited to the duration ofthis expressed Warranty. Some
states do not allow Limitation on how Long an impLied Warranty Lasts, so the above Limitations may not
appLy to you. This Warranty gives you specific LegaL rights, and you aLso may have other rights which
vary from state to state.
CE:
This product complies with the essential requirements of
EMC directives 89/336/EEC and 73/23/EEC (inclusive of
93/68/EEC) and carries the CE mark accordingly.
AZAT 120804
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Failure to complete and submit the product registration form does not diminish your warranty rights.
Warrantie apply as tated in the product manual. Plea e be sure to keep your original purchase receipt.
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The Leader in High-Performance Loudspeakers~