Infinity QPS1 Manual de usuario
Owner’s Manual
Part # 333-844-001
®
Quadrapole Surround Speakers
Model QPS-1
QPS1
Infinity QPS-1 – Owner’s Manual
◆1
INTRODUCTION
Infinity QPS-1 speakers are a pair of mirror-imaged, surround-sound speakers with an
advanced quadrapole design that creates a non-specific sound source over a wider-than-
usual listening area. This unique surround speaker design provides greater flexibility in
speaker placement without sacrificing performance.
The QPS-1’s elegant, thin-profile enclosure (in a black or white finish) is made to
complement your home furnishings and its integrated display stand provides easy
placement on a convenient shelf or table. Or, if you prefer, you can mount the QPS-1
speakers on side or back walls by using the built-in, direct-mount keyhole.
Please read the remaining pages before connecting and operating the Infinity QPS-1
speakers. Maximum performance is dependent on following these instructions, as well
as those listed in the owner’s manuals of associated components in your home theater
system. Save these instructions for future reference. These speakers are covered by a
limited five-year warranty, so save the bill of sale to protect your purchase and aid in any
service-related questions.
UNPACKING THE SPEAKERS
Finish unpacking the speakers and check the contents. If you suspect damage from transit,
report it immediately to your dealer and/or delivery service. Keep the shipping cartons and
packing materials for future use.
Please verify that the package contains the following items:
◆(1) Quadrapole Left-Surround Speaker
◆(1) Quadrapole Right-Surround Speaker
◆Owner’s Manual and Warranty Card
Depending on your choice of installation, you may also need the following tools and
supplies:
◆High-quality speaker wire
◆Wire strippers
◆(4) Banana plugs or spade terminals (optional)
◆(2) #8 x 11⁄2" Phillips-head wood screws (for wall-mounting of speakers – optional)
◆Drill with 1⁄8" bit (optional)
◆Phillips screwdriver (optional)
Q
UADRAPOLE
D
ESIGN
...
F
LEXIBLE
P
LACEMENT
...
A
BOUT
T
HIS
M
ANUAL
...
P
ARTS
L
IST
...
T
OOLS
A
ND
S
UPPLIES
...
2
◆Infinity QPS-1 – Owner’s Manual
PLANNING YOUR SYSTEM
To help plan your home theater system, we’ve included two system applications, as
shown in Figures 1 and 2. The first one represents a typical living room where the home
theater system is the main focus. In the second application, the furniture is arranged for
fireplace viewing and the entertainment center is in a corner.
Since QPS-1 surround speakers are a quadropole design, exact placement is not critical.
For best results, position the speakers so they are level with or behind the listeners
(typically seated on a couch). Place them at or above ear level (28" or 0.7m, depending
on the available shelf or wall space). Make sure the speaker marked left (on its rear
label) is on the left side (as you face forward), and the speaker marked right is on the
right side (see Figure 1).
Set each speaker on any convenient shelf or table via a built-in display stand (see Figure
3 on page 4). Or use the built-in keyhole (see Figure 3 on page 4) for a more permanent
mounting method.
S
URROUND
P
LACEMENT
C
ONCERNS
...
S
TAND
-U
P
O
R
W
ALL
-M
OUNT
...
Figure 1. This overhead view shows
a typical home theater plan. The
QPS-1 speakers can be placed on
stands in the noted areas or wall-
mounted on side or back walls.
Big Screen TV
Couch
QPS-1
Left Surround
(on side wall)
QPS-1
Right Surround
(on side wall)
(or use rear wall)
Left Surround
Placement Area Right Surround
Placement Area
Center Channel
on top of TV
Left
Channel Right
Channel
Infinity QPS-1 – Owner’s Manual
◆3
Figure 2. This layout is often
preferred when a fireplace is the
centerpiece of the room.
TV
Couch
Couch
QPS-1
(Left Surround)
QPS-1
(Right Surround)
Center Channel
on top of TV
Left
Channel
Right
Channel
Fireplace
4
◆Infinity QPS-1 – Owner’s Manual
PLACEMENT AND MOUNTING
The Infinity QPS-1 surround speakers are equipped with integral display stands for easy
placement on a shelf or table.
QPS-1
(Table-Top Placement) Bottom View
T
ABLE
-T
OP
P
LACEMENT
...
W
ALL
-M
OUNT
O
PTIONS
...
I
MPORTANT
!
Figure 3. Use the built-in keyhole to mount
QPS-1 surround speakers on walls.
NOTE: Be sure to fasten each #8 x 11/2
"
Phillips-head wood screw into a wall
stud before hanging the speaker.
For wall-mounting, you can use the speaker’s keyhole (see Figure 3).
If you are unsure of how to safely and securely wall-mount a speaker, please ask a home
theater or hardware specialist for additional help.
QPS-1
(Wall-Mount Via Keyhole)
❶Fasten #8 x 1
1⁄2"
Phillips-head
wood screw
into wall stud;
leave 1⁄16" space
from head to wall.
❷Align keyhole with
screw head and
slide speaker down.
Infinity QPS-1 – Owner’s Manual
◆5
W
IRING
A
ND
P
OLARITY
...
I
MPORTANT
!
Figure 4. QPS-1 surround speakers feature
gold-plated terminals that can be
connected in several different ways;
e.g., banana plugs, spade terminals
(not shown) and direct wiring.
WIRING THE SYSTEM
After placing the speakers, you are ready to connect your system. First turn off all audio system
power. Use high-quality speaker wire to make the connections. Consult the owner’s manuals
(included with your amplifier, receiver or television) for connection and operation procedures.
QPS-1 speakers have gold-plated terminals that accept a variety of wire connectors (see Figure 4
below). Observe correct polarities when making speaker connections, as shown in Figure 5 (on
page 6).
Connect each
+
terminal on the back of the amplifier, receiver or television to the respective
+
(red) terminal on each speaker. Connect the
–
(black) terminals in the same way.
Do not reverse polarities (e.g.,
+
to
-
or
-
to
+
) when making connections.
TESTING THE SPEAKERS
After placing and wiring the speakers, turn on audio system power. Follow the
instructions (packed with your A/V preamplifier or receiver) to calibrate the
Dolby
®
Pro Logic
®
or Dolby Digital channels. Most components include a built-in
test tone to help you balance the sound levels to all speakers in your system. During
calibration, verify that each QPS-1 reproduces the test tone. If not, check the wiring
connections and see the Troubleshooting chart (on page 7) for help.
Red = +
Speaker Wire
CONNECTING SPEAKERS
USING BANANA PLUGS (NOT SUPPLIED)
CONNECTING SPEAKERS
DIRECTLY TO WIRES
Stripe = –
No Stripe = +
Black = –
Red = +
Black = –
❶Loosen Cap.
❷Insert Bare
Wire End;
Tighten Cap.
Insert Bare End;
Tighten Terminal
❸ Insert Plug
Into Connector. ❶Loosen Terminal.
Speaker Wire
No Stripe = +Stripe = –
❷
6
◆Infinity QPS-1 – Owner’s Manual
A/V Receiver
(Rear Panel)
Front
Surround
Right Center Left
IMPORTANT!
In Dolby Digital/AC-3®
Set Surround
Channels To SMALL.
FULL RANGE
LOUDSPEAKER
INPUT
model P-FR
amplifier 10-150W
6 Ω
– +
CenterFront Right
QPS-1
Surround Right
Rear Rear
QPS-1
Surround Left
-
+
-
+
FULL RANGE
LOUDSPEAKER
INPUT
model P-FR
amplifier 10-150W
6 Ω
– +
Front Left
-
+
Rear Rear
-
+Rear
-
+Front
-
+
-
+Surround
-
+
-
+
®
-
+
Figure 5. Wiring diagram shows
connections for a typical home
theater system.
Infinity QPS-1 – Owner’s Manual
◆7
CARE OFYOUR SPEAKER SYSTEM
The QPS-1 cabinet does not require any routine maintenance. When cleaning is needed,
first make sure power is off, and then use a soft cloth, pre-dampened with a solution of
mild detergent and water, to remove any fingerprints or to wipe off dust. DO NOT USE
ANY OTHER CLEANING PRODUCTS OR POLISHES.
The metal grille can be cleaned with gentle vacuuming.
TROUBLESHOOTING
S
YMPTOM
C
AUSE
S
OLUTION
No sound Power is off See A/V preamplifier
or receiver owner’s
manual for operation
and further help
Speakers not connected Connect speakers
(see pages 5 and 6)
Distortion with Defective A/V preampli- Repair defective AV
volume control fier or receiver preamplifier or receiver
near minimum Shorted speaker wires Check or repair wiring
(see pages 5 and 6)
Distortion on music Dynamic soundtrack Turn down master
peaks or sound (e.g., explosions) volume control to
effects (e.g., pops causes speaker lower overall range
or rapping noise) to “bottom out”
Tone controls Set bass and treble flat;
are set too high use controls sparingly
Buzz, hum or Connecting wires Connect wires only
crackle when with power on causes when audio system
connecting wires transient signal spikes power is off
Buzz or hum when Grounding problem See A/V preamplifier
A/V preamplifier or or receiver owner’s
receiver is on manual for operation
and further help
8
◆Infinity QPS-1 – Owner’s Manual
QPS-1
Frequency Range: 80 ~ 20,000Hz (–6dB@80Hz)
Sensitivity: 88dB spl (2.83 volts/1 meter spatially averaged)
Impedance: 8 Ω (5.5 min.)
Maximum Peak Output: 108dB (spl on program)
Amplifier Requirements: Suitable for use with amplifiers
10 ~ 80W (@ 8 Ω)
Four 3 inch
Width: 11 inches
Height: 81⁄2inches
Depth: 41⁄2inches
Weight: 7 pounds
Declaration of Conformity
We, Infinity Systems A/S
Kongevejen 194B
DK-3460 Birkerød
DENMARK
declare in own responsibility, that the product described
in this owner’s manual is in compliance with technical
standards:
EN 50 081-1/1992
EN 50 082-1/3.1995
Steen Michaelsen
Infinity Systems A/S
Birkerød. DENMARK. 10/97
Infinity is a registered trademark of Infinity Systems, Inc.
Dolby, Pro Logic and AC-3 are registered trademarks of Dolby Laboratories.
SPECIFICATIONS
P
ERFORMANCE
D
ATA
D
RIVE
U
NITS
D
IMENSIONS
P/N: 333-844-001
www.infinitysystems.com
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