Onkyo HTP-391 Basic Manual

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5.1ch Home Theater Speaker Package

Make sure you have the following accessories.

Front speaker (SKF-391)

*1

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.

Center speaker (SKC-391/SKC-391C)

Surround speaker (SKR-391)

Subwoofer (SKW-391)

Caution

• The front grilles are not designed to be removed so do not
attempt to remove them forcibly, as this will damage
them.

Supplied Accessories

Front speakers

Speaker cables 10 ft. (3.0 m)

20 rubber stoppers*1

(For Front/Center/

Surround speakers)

Center speaker Speaker cable 10 ft. (3.0 m)

SKC-391 (North American and Brazilian)
SKC-391C (Asian)

(White)

(Red)

(Green)

Surround speakers

Speaker cables 26 ft. (8.0 m)

Subwoofer Speaker cable 10 ft. (3.0 m)

4 floor pads

(Blue)

(Gray)

(Purple)

Part Names

Speaker terminals

Keyhole slot

SKF-391/SKR-391

Speaker terminals

Keyhole slots

SKC-391/
SKC-391C

Speaker terminals

SKW-391

HTP-391

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Using the Rubber Stoppers for a More Stable
Platform

We recommend using the supplied rubber stoppers to
achieve the best possible sound from your speakers. The
rubber stoppers prevent the speakers from moving,
providing a more stable platform.

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.

Wall Mounting

To mount the front/surround 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 the speaker on two screws that
are securely screwed into the wall.

Tip

• If the center speaker is tilted, loosen the screw on the declined
side to move upward so that the speaker could be adjusted
vertically.

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 5/16" (9 mm) or less and a shank diameter of
1/8" (4 mm) 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 3/16" (5 mm) and 7/16" (10 mm)
between the wall and the base of the screw head, as
shown (We recommend that you consult a home
installation professional).

Before Using the Home Theater
Speaker Package

Rubber stoppers

Bottom of the
SKF-391/
SKR-391

Bottom of the
SKC-391/SKC-391C

1" (25 mm)

1-3/16" (30 mm)

Rubber stoppers

Pad

SKF-391/SKR-391

Keyhole slot for
wall mounting

Keyhole slots for wall mounting

6-5/16" (160 mm)

SKC-391/
SKC-391C

Wall

3/16" to 7/16"
(5 to 10 mm)

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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.

a Front left and right speakers (SKF-391)

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.

b Center speaker (SKC-391/SKC-391C)

Position it close to your TV (preferably on top) facing
forward at about ear level, or at the same height as the
front left and right speakers.

c Surround left and right speakers (SKR-391)

Position them at the sides of the listener, or slightly
behind, about 2 to 3 feet (60 to 100 cm) above ear
level. Ideally they should be equally spaced from the
listener.

d Subwoofer (SKW-391)

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.

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.

Enjoying Home Theater

ab

c

d



Corner position

1/3 of wall position

Connecting the Speakers

Front right

speaker

Center speaker

Front left
speaker

Red

White

Green

Subwoofer

Gray

Blue

Purple

Surround

right

speaker

Surround

left

speaker