E
n
5.1ch Home Cinema Package
HTP-648/SKS-HT648
Front speaker (SKF-648)
Center speaker (SKC-648)
Surround speaker (SKR-648)
Subwoofer (SKW-501E)
(Green)
Speaker cable 3.0 m
RCA cable 3.0 m
4 floor pads
(White)
Speaker cables 3.5 m
(Red)
(Blue)
(Gray)
Front speakers
Surround speakers
Speaker cables 8.0 m
Center speaker
Subwoofer
■ Front
12 rubber stoppers* (For Front/Surround speakers)
STANDBY/ON indicator
Red: Subwoofer in standby mode
4 rubber stoppers*
Blue: Subwoofer on
*
Configuration of the rubber stoppers may be different from the figure, such as being 2 sheets instead of 1 sheet, but the total number will be same.
With the Auto Standby function, the SKW-501E
automatically turns on when an input signal is
detected in Standby mode. When there’s no input
signal for a while, the SKW-501E automatically
enters Standby mode.
■ Rear
POWER switch
Press this switch to the ON position to turn on the
power. Press it to the OFF position to turn off the
power.
SKF-648
SKR-648
SKC-648
Speaker terminals
Speaker terminals
OUTPUT LEVEL control
This control is used to adjust the volume of the
subwoofer.
Using the Rubber Stoppers for a More Stable Platform
LINE INPUT
We recommend using the supplied rubber stoppers to achieve
To AC outlet
Rubber stoppers
This RCA input should be connected to the
subwoofer pre out on your AV receiver with
supplied RCA cable.
the best possible sound from your speakers.
The rubber stoppers prevent the speakers from moving,
providing a more stable platform.
Rubber stoppers
Bottom of the
SKF-648
SKR-648
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.
• 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 acti-
vated. In this case, set the OUTPUT LEVEL control to the center position, and discon-
nect the power cord from the AC outlet. Wait at least 10 seconds, and then reconnect the
power cord. If that doesn’t solve the issue, contact your Onkyo dealer.
Bottom of the
SKC-648
Attaching and detaching the speaker grilles
Setting the Subwoofer Level
The front, center and surround speakers have detachable grilles.
See the right illustrations to attach or detach them.
Removal
Replacement
To set the level of the subwoofer, use the OUTPUT LEVEL control.
Set it so that bass sounds are evenly balanced with the treble sounds
from the other speakers. Because our ears are less sensitive to very
low bass sounds, there’s a temptation to set the level of the
subwoofer too high. As a rule of thumb, set the subwoofer level to
what you think is the optimal level, and then back it off slightly.
Using the Floor Pads for Subwoofer
If the subwoofer is placed on a hard floor
(wood, vinyl, tile, etc.) and playback is very
loud, the subwoofer’s feet may damage the
flooring. To prevent this, place the supplied
pads underneath the subwoofer’s feet. The pads
also provide a stable base for the subwoofer.
Pad
Enjoying Home Cinema
Specifications
■ Powered Subwoofer (SKW-501E)
■ Center Speaker (SKC-648)
The Home Cinema 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.
Type
Bass-Reflex
Type
2 Way Closed Box
Input sensitivity/impedance 410 mV / 20 kΩ
Impedance
6 Ω
Rated output Power (IEC)
80 watts minimum continuous power,
Maximum input power
Sensitivity
Frequency response
Crossover frequency
Cabinet capacity
Dimensions (W × H × D)
130 W
Front left and right speakers (SKF-648)
4 ohms, driven at 100 Hz with a
maximum total harmonic distortion of
1 %
82 dB/W/m
70 Hz to 50 kHz
7 kHz
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.
Surround left and right speakers (SKR-648)
Position them at the sides of the listener, or
slightly behind, about 60 to 100 cm above ear
level. Ideally they should be equally spaced
from the listener.
Frequency response
Cabinet capacity
Dimensions (W × H × D)
27 Hz to 150 Hz
24.5 L
1.3 L
277 mm × 110 mm × 110 mm
(incl. grille and projection)
230 mm × 425 mm × 412 mm
(incl. grille and projection)
Center speaker (SKC-648)
Weight
Drivers unit
1.7 kg
Position it close to your TV (prefer-
ably on top) facing forward at about
ear level, or at the same height as the
front left and right speakers.
Weight
Drivers unit
Power supply
9.1 kg
8 cm Cone Woofer × 2
20 cm Cone Woofer × 1
(HTP-648) AC 230V, 50Hz
(SKS-HT648) AC 220-240V, 50/60 Hz
105 W
2.5 cm Balanced Dome Tweeter × 1
Spring type color coded
Detachable
Terminal
Grille
Insert nut
Other
Power consumption
Other
Available
Auto Standby function
Non-magnetic shielding
Magnetic shielding
■ Surround Speakers (SKR-648)
■ Front Speakers (SKF-648)
Type
Full Range Closed Box
Type
2 Way Closed Box
Impedance
Maximum input power
Sensitivity
Frequency response
Cabinet capacity
Dimensions (W × H × D)
6 Ω
130 W
Impedance
Maximum input power
Sensitivity
Frequency response
Crossover frequency
Cabinet capacity
Dimensions (W × H × D)
6 Ω
130 W
80 dB/W/m
80 Hz to 20 kHz
0.9 L
79 dB/W/m
70 Hz to 50 kHz
7 kHz
Corner
position
Subwoofer (SKW-501E)
102 mm × 170 mm × 105 mm
(incl. grille and projection)
0.9 L
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 one-third the way along the front wall, as shown.
102 mm × 170 mm × 105 mm
(incl. grille and projection)
1/3 of wall
position
Weight
0.9 kg
Drivers unit
Terminal
Grille
Insert nut
Other
8 cm Cone × 1
Spring type color coded
Detachable
Weight
Drivers unit
1.0 kg
8 cm Cone Woofer × 1
2.5 cm Balanced Dome Tweeter × 1
Terminal
Grille
Spring type color coded
Detachable
Available
Magnetic shielding
Insert nut
Other
Available
Connecting the Speakers
Specifications and appearance are subject to change without
prior notice.
Magnetic shielding
Note
Front right
speaker
Front left
speaker
Powered
subwoofer
For non-magnetic shielded 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.
Center speaker
Red
White
Green
2-1, Nisshin-cho, Neyagawa-shi, OSAKA 572-8540, JAPAN
Tel: 072-831-8023 Fax: 072-831-8163
Speaker Connection
Precautions
Read the following before connecting your
speakers:
18 Park Way, Upper Saddle River, N.J. 07458, U.S.A.
Tel: 800-229-1687, 201-785-2600 Fax: 201-785-2650
• Turn off your receiver before making any
connections.
• Pay close attention to speaker
wiring polarity. Connect
Liegnitzerstrasse 6, 82194 Groebenzell, GERMANY
Tel: +49-8142-4401-0 Fax: +49-8142-4401-555
*
Using the supplied RCA cable,
connect the subwoofer’s LINE
INPUT to your AV receiver’s
SUBWOOFER PRE OUT jack.
Blue
Gray
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.
The Coach House 81A High Street, Marlow, Buckinghamshire, SL7 1AB, UK
Tel: +44-(0)1628-473-350 Fax: +44-(0)1628-401-700
Unit 1 & 12, 9/F, Ever Gain Plaza Tower 1, 88, Container Port Road, Kwai Chung,
N.T., Hong Kong. Tel: 852-2429-3118 Fax: 852-2428-9039
Y1105-1
Surround right
speaker
Surround left
speaker
1301, 555 Tower, No.555 West NanJin Road, Jin an, Shanghai,
China 200041, Tel: 86-21-52131366 Fax: 86-21-52130396
SN 29400781
(C) Copyright 2011 ONKYO SOUND & VISION CORPORATION Japan. All rights reserved.
* 2 9 4 0 0 7 8 1 *
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