Onkyo SKS-HT993THX, SKS-HT978THX User Manual
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7.1ch Home Theater Speaker Package
Make sure you have the following accessories.
Front Speakers (SKF-980)
Center Speaker (SKC-980)
*1
For use of front speakers and center speaker.
Surround Speakers (SKR-980)
Surround Back Speakers (SKB-980)
Powered Subwoofer (SKW-980/SKW-938)
■ Front
Caution
• The front grille is not designed to be removed so do not
attempt to remove it forcibly, as this will damage it.
Supplied Accessories
Front speakers
Speaker cables 3.5 m (11 ft.)
Center speaker Speaker cable
3.0 m (10 ft.)
12 cork stoppers*1
(White)
(Red)
(Green)
Surround speakers
Surround back speakers
(HTP-993THX/SKS-HT993THX only)
Speaker cables 8.0 m (26 ft.)
Subwoofer
RCA cable 3.0 m (10 ft.)
(Blue)
(Gray)
(Brown)
(Tan)
Speaker cables 8.0 m (26 ft.)
Power cord
(Asian models)
Standby/On indicator
Red: Subwoofer in standby mode
Blue: Subwoofer on
The status indicator lights blue when
low frequency sound is being passed
through the speaker.
The indicator does not light in the
normal dialog or high frequency sound.
HTP-993THX/SKS-HT993THX
5.1ch Home Theater Speaker Package
SKS-HT978THX
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■ Rear
SKW-980 (North American models)
SKW-980 (Asian models)
SKW-938 (European models)
Caution
• With other audio-video components, connect the subwoofer’s
LINE INPUT to the subwoofer pre out jack of your equipment.
Never plug any kind of musical instrument to the subwoofer.
Note
• The Auto Standby function turns the subwoofer on when the
input signal exceeds a certain level. If the Auto Standby
function does not work reliably, try slightly increasing or
decreasing the subwoofer output level on your receiver.
When there’s no input signal for a while, the SKW-980/SKW938 automatically enters Standby mode.
• If the Standby/On indicator lights (both red and blue LEDs)
several seconds or minutes after the sound output stopped,
this means that the amp protection circuit has been activated.
In this case, set the OUTPUT LEVEL control to the center
position, and disconnect the power cord from the AC outlet.
Wait at least 10 minutes, and then reconnect the power cord.
If that doesn’t solve the issue, contact your Onkyo dealer.
Using the Cork Stoppers for a More Stable
Platform
We recommend using the supplied cork stoppers to achieve
the best possible sound from your speakers. The cork
stoppers prevent the speakers from moving, providing a
more stable platform.
■ Attaching and detaching the speaker grilles
The front, center, surround and surround back speakers
have detachable grilles.
See the illustrations to attach or detach them.
Setting the Subwoofer Level
Make sure the SKW-980/SKW-938
subwoofer’s output level control is set at
the “THX POSITION”.
You can then adjust the level as needed.
Wall Mounting
To mount the front/surround/surround back speakers
vertically, use the keyhole slot shown to hang each speaker
on a screw that’s securely screwed into the wall.
To mount the center speaker horizontally, use the two
keyhole slots shown to hang each speaker on two screws
that are securely screwed into the wall.
OUTPUT LEVEL control
This control is used to adjust the
volume of the subwoofer.
LINE INPUT
This RCA input should be connected to
the subwoofer pre out on your AV
receiver with supplied RCA cable.
To AC outlet
OUTPUT LEVEL control
This control is used to adjust the
volume of the subwoofer.
LINE INPUT
This RCA input should be connected to
the subwoofer pre out on your AV
receiver with supplied RCA cable.
To AC outlet
AC INLET
Connects the supplied power cord.
OUTPUT LEVEL control
This control is used to adjust the
volume of the subwoofer.
LINE INPUT
This RCA input should be connected to
the subwoofer pre out on your AV
receiver with supplied RCA cable.
To AC outlet
POWER switch
Press this switch to the ON po sition to
turn on the power. Press it to the OFF
position to turn off the power.
Before Using the Home Theater
Speaker Package
Cork stoppers
Bottom of the SKF-980
Bottom of the SKC-980
Cork stoppers
Removal
Replacement
SKF-980 SKR-980/SKB-980 (HTP-
993THX/SKS-HT993THX
only)
Keyhole slots for wall
mounting
Keyhole slots for wall mounting
260 mm (10-1/4")
SKC-980
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Caution
• A mounting screw’s ability to support a
speaker depends on how well it’s
anchored to the wall. If you have hollow
walls, screw each mounting screw into a
stud. If there are no studs, or the walls
are solid, use suitable wall anchors. Use
screws with a head diameter of 9 mm
(5/16") or less and a shank diameter of
4 mm (1/8") or less. With hollow walls,
use a cable/pipe detector to check for any power cables or
water pipes before making any holes.
• Leave a gap of between 5 mm (3/16") and 10 mm (7/16")
between the wall and the base of the screw head, as shown.
(We recommend that you consult a home installation
professional.)
The Home Theater means that you can enjoy surround
sound with a real sense of movement in your own home —
just like being in a movie theater or concert hall.
.
Speaker Connection Precautions
Read the following before connecting your speakers:
• Turn off your receiver before making any connections.
• Pay close attention to speaker wiring polarity.
Connect positive (+) terminals to only positive
(+) terminals, and negative (–) terminals to only
negative (–) terminals. If the speakers are wired
incorrectly, the sound will be out of phase and
will sound unnatural.
• Be careful not to short the positive and negative wires.
Doing so may damage your amp.
Note
• When you connect the front high left and right speakers,
prepare for it separately, or use the surround back left and
right speakers.
Enjoying Home Theater
Wall
5 to 10 mm
(3/16" to 7/16")
4
3
521
Corner
position
1/3 of wall
position
1
Front left and right speakers (SKF-980)
They should be positioned facing the listener at about
ear level, and equally spaced from the TV. Angle them
inward slightly so as to create a triangle, with the
listener at the apex.
2
Center speaker (SKC-980)
Position it close to your TV facing forward at about ear
level, or at the same height as the front left and right
speakers.
3
Surround left and right speakers (SKR-980)
Position them at the sides of the listener, or slightly
behind, about 60 to 100 cm (2 to 3 feet) above ear
level. Ideally they should be equally spaced from the
listener.
4
Surround back left and right speakers (SKB-980:
HTP-993THX/SKS-HT993THX only)
These speakers further enhance the realism of
surround sound and improve sound localization
behind the listener.
Position them behind the listener about 60 to 100 cm
(2 to 3 feet) above ear level.
5
Subwoofer (SKW-980: North American and Asian
models/SKW-938: European models)
The subwoofer handles the bass sounds of the LFE
(Low-Frequency Effects) channel and bass from the
satellite speakers when a crossover is specified. The
volume and quality of the bass output from your
subwoofer will depend on its position, the shape of
your listening room, and your listening position. In
general, a good bass sound can be obtained by
installing the subwoofer in a front corner, or at onethird the way along the front wall, as shown.
Connecting the Speakers
Surround back
left speaker *
Surround back
right speaker *
Surround
left speaker
Surround
right speaker
Front left
speaker
Front right
speaker
Center speaker
Brown Tan Blue Gray
White Red
Green
Powered
subwoofer
* HTP-993THX/SKS-HT993THX only
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■ Powered Subwoofer (SKW-980: North American and Asian
models/SKW-938: European models)
■ Front Speakers (SKF-980)
■ Center Speaker (SKC-980)
■ Surround Speakers (SKR-980)/
Surround Back Speakers (SKB-980: HTP-993THX/SKSHT993THX only)
Specifications and appearance are subject to change without prior
notice.
THX and the THX logo are trademarks of THX Ltd. which may be
registered in some jurisdictions. All rights reserved.
Use with a TV set
In general, Braun tubes used for color television sets, etc.
are extremely sensitive and can be affected even by the
magnetism of the earth. If a speaker system is used near
them, therefore, discoloring or distortion of pictures will
occur.
For magnetic shielded speakers (Front speakers, Center
speaker):
The speakers are shielded to prevent discoloration. In some
situations, however, discoloration may still be an issue, in
which case you should turn off your TV or monitor, wait 15 to
30 minutes, and then turn it back on again. This normally
activates the degaussing function, which neutralizes the
magnetic field, thereby removing any discoloration effects. If
discoloration problems persist, try moving the speakers
away from your TV or monitor.
For non-magnetic shielded speakers (Powered
subwoofer, Surround speakers, Surround back
speakers):
Try moving the speakers away from your TV or monitor. If
discoloration should occur, turn off your TV or monitor, wait
15 to 30 minutes, and then turn it back on again. This
normally activates the degaussing function, which
neutralizes the magnetic field, thereby removing any
discoloration effects.
Specifications
Type Acoustic suspension
Rated output power (FTC) 125 watts minimum continuous power,
6 ohms, driven at 100 Hz with a
maximum total harmonic distortion of
1% (SKW-980)
Rated output Power (IEC) 125 watts minimum continuous power, 6
ohms, driven at 100 Hz with a maximum
total harmonic distortion of 1% (SKW-938)
Input sensitivity/impedance 280 mV/20 k
:
Frequency response 20 Hz to 100 Hz
Cabinet capacity 49 L (1.73 cubic feet)
Dimensions (W u H u D) 380 mm u 444 mm u 429 mm
14-15/16" u 17-1/2" u 16-7/8"
(incl. grille and projection)
Weight 15.5 kg (34.2 lbs.)
Drivers unit 30 cm (12") Cone Woofer
Power supply AC 120 V, 60 Hz (SKW-980: North
American)
AC 220 V-230 V, 50/60 Hz (SKW-980:
Asian)
AC 230 V, 50 Hz (SKW-938)
Power consumption 140 W (SKW-980)
137 W (SKW-938)
Grille Fixed
Other Auto Standby function
Non-magnetic shielding
Type 2 Way Acoustic suspension
Impedance 8
:
Maximum input power 130 W
Sensitivity 83 dB/W/m
Frequency response 50 Hz to 45 kHz
Crossover frequency 2 kHz
Cabinet capacity 7.5 L (0.265 cubic feet)
Dimensions (W u H u D) 158 mm × 433 mm × 199 mm
6-1/4" u 17-1/16" u 7-13/16"
(incl. grille and projection)
Weight 5.3 kg (11.7 lbs.)
Drivers unit 12 cm (5") A-OMF Cone Woofer u 2
2.5 cm (1") Soft Dome Tweeter u 1
Terminal Binding post (Banana type supported)
Other Magnetic shielding
Type 2 Way Acoustic suspension
Impedance 8
:
Maximum input power 130 W
Sensitivity 83 dB/W/m
Frequency response 50 Hz to 45 kHz
Crossover frequency 2 kHz
Cabinet capacity 7.5 L (0.265 cubic feet)
Dimensions (W
u
H u D) 433 mm u 158 mm u 199 mm
17-1/16" u 6-1/4" u 7-13/16"
(incl. grille and projection)
Weight 5.3 kg (11.7 lbs.)
Drivers unit 12 cm (5") A-OMF Cone Woofer
u
2
2.5 cm (1") Soft Dome Tweeter u 1
Terminal Binding post (Banana type supported)
Other Magnetic shielding
Type 2 Way Acoustic suspension
Impedance 8
:
Maximum input power 130 W
Sensitivity 81 dB/W/m
Frequency response 50 Hz to 45 kHz
Crossover frequency 2 kHz
Cabinet capacity 4.6 L (0.163 cubic feet)
Dimensions (W u H u D) 200 mm u 275 mm u 169 mm
7-7/8" u 10-13/16" u 6-5/8"
(incl. grille and projection)
Weight 3.5 kg (7.7 lbs.)
Drivers unit 13 cm (5-1/8") A-OMF Cone Woofer u 1
2.5 cm (1") Soft Dome Tweeter u 1
Terminal Binding post (Banana type supported)
Other Non-magnetic shielding
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