PHI 51 - PHI 21
Owner’s Guide
ENGLISH
2
PHI 51 - PHI 21
PHI OWNER’S GUIDE
Table of Contents
3 Important safety precautions
4 Introduction
4 Unpacking the System
4 Planning Your System
5 Placement
5 Wall-Mounting the Satellites
6 Assembling the Floorstands
6 Center and Satellite Speaker Connections
7 Subwoofer Controls
8 Subwoofer Connections
9 Operation
9 Maintenance and Service
10 Specifications
3
PHI 51 - PHI 21
CAUTION
read first!Important Safety Instruction!
1. Read Instructions. All the safety and operating
instructions should be read before the product is
operated.
2. Retain Instructions.The safety and operating
instructions should be retained for future reference.
a. The apparatus shall not be exposed to dripping or
splashing and that no objects filled with liquids, such
as vases, shall be placed on the apparatus.
b. The MAINS plug or an appliance coupler is used as
the disconnect device, the disconnect device shall
remain readily operable.
3. Heed Warnings. All warnings on the product and in
the operating instructions should be adhered to.
4. Follow Instructions. All operating and use instructions should be followed.
5. Water and Moisture. The product should not be used
near water – for example, near a bathtub, washbowl,
kitchen sink, laundry tub, in a wet basement, or near a
swimming pool, and the like.
6. Accessories. Do not place this product on an unstable cart, stand, tripod, bracket, or table. The product
may fall, causing serious injury to a child or adult, and
serious damage to the product. Use only with a cart,
stand, tripod, bracket, or table recom-mended by the
manufacturer, or sold with the product. Any mounting of
the product should follow the manufacturer’s instructions, and should use a mounting accessory recommended by the manufacturer.
7. Wall or Ceiling Mounting.The product should be
mounted on a wall or ceiling only when and as recommended by the manufacturer.
8. Ventilation. Slots and openings in the cabinet are
provided for ventilation and to ensure reliable operation of the product and to protect it from overheating,
and these openings must not be blocked or covered.
The openings should never be blocked by placing the
product on a bed, sofa, rug, or other similar surface.
This product should not be placed in a built-in installation such as a bookcase or rack unless proper ventilation is provided or the manufacturer’s instructions
have been adhered to.
9. Heat. The product should be situated away from heat
sources such as radiators, heat registers, stoves, or
other products that produce heat. If placed near an
amplifier, check with the manufacturer for applicability.
10. Power Sources. This product should be operated
only from the type of power source indicated on the
marking label. If you are not sure of the type of power
supply to your home, consult your product dealer or
local power company. For products intended to operate
from battery power, or other sources, refer to the operating instructions.
11. Grounding or Polarization. This product
may be
equipped with a polarized alternating
-current line plug
(a plug having one blade wider than the other). This
plug will fit into the power outlet only one way. This is
a safety feature. If you are unable to insert the plug
fully into the outlet, try reversing the plug. If the plug
should still fail to fit, contact your electrician to
replace your obsolete outlet. Do not defeat the safety
purpose of the polarized plug.
12. Power-Cord Protection. Power-supply cords should
be routed so that they are not likely to be walked on or
pinched by items placed upon or against them, paying
particular attention to cords at plugs, convenience
receptacles, and the point where they exit from the
product.
13. Cleaning. Unplug this product from the wall outlet
before cleaning. Do not use liquid cleaners or aerosol
cleaners. Use a dry cloth for cleaning.
14. Nonuse Periods. The power cord of the product
should be unplugged from the outlet when left unused
for long periods of time.
15. Lightning. For added protection for this product
during a lightning storm, or when it is left unattended
and unused for long periods of time, unplug it from the
wall outlet and disconnect the antenna or cable system. This will prevent damage to the product due to
lightning and power-line surges.
16. Overloading. Do not overload wall outlets, extension
cords, or integral convenience receptacles, as this can
result in a risk of fire or electric shock.
17. Object and Liquid Entry. Never push objects of any
kind into this product through openings, as they may
touch dangerous voltage points or short-out parts that
could result in a fire or electric shock. Never spill
liquid of any kind on the product.
18. Damage Requiring Service. Unplug this product
from the wall outlet and refer servicing to qualified
service personnel under the following conditions:
a. The power-supply cord or the plug has been damaged; or
b. Objects have fallen, or liquid has been spilled into,
the product; or
c. The product has been exposed to rain or water; or
d. The product does not operate normally when following the operating instructions. Adjust only
those controls that are covered by the operating
instructions, as an improper adjustment of other controls may result in damage and will often require
extensive work by a qualified technician to restore the
product to its normal operation; or
e. The product has been dropped, or the enclosure
damaged; or
f. The product does not appear to operate normally or
exhibits a marked change in performance.
19. Attachments. Do not use attachments not recommended by the product manufacturer, as they may
cause hazards.
20. Replacement Parts. When replacement parts are
required, be sure the service technician has used
replacement parts specified by the manufacturer or
that have the same characteristics as the original
part. Unauthorized substitutions may result in fire,
electric shock or other hazards.
21. Safety Check. Upon completion of any service or
repairs to this product, ask the service technician to
perform safety checks to determine that the product is
in proper operating condition.
22. Servicing. Do not attempt to service this product
yourself, as opening or removing covers may expose
you to dangerous voltage or other hazards. Refer all
servicing to qualified service personnel.
Declaration of Conformity
We, Harman Consumer Group, Inc.
2, Route de Tours
72500 Château-du-Loir,
FRANCE
declare in own responsibility that the product described
in this owner’s manual is in compliance with technical
standards:
EN 61000-6-3-2001
EN 61000-6-1-2001
EN 55013: 2001+A1-2003
EN 55020: 2002+A1-2003
EN 61000-3-2: 2000
EN 61000-3-3: 1995+A1-2001
EN 60065: 2002
Laurent Rault
Harman Consumer Group International
Chateau-du-Loir, FRANCE 2/08
ENGLISH
RISK OF ELECTRIC SHOCK
DO NOT OPEN
CAUTION: To prevent electric shock,
do not remove the grounding plug
on the power cord, or use any plug
or extension cord that does not have
a grounding plug provided.
Make certain that the
AC outlet is properly grounded.
Do not use an adapter plug
with this product.
The lightning flash with arrowhead symbol
within an equilateral triangle is intended to
alert the user to the presence of
uninsulated “dangerous voltage” within the
product’s enclosure that may be of
sufficient magnitude to constitute a risk of
electric shock to persons.
The exclamation point within an
equilateral triangle is intended to alert the
user to the presence of important
operating and maintenance (servicing)
instructions in the literature accompanying
the appliance.
4
PHI 51 - PHI 21
INTRODUCTION
Infinity PHI Series
The PHI Series of loudspeakers continues Infinity’s longstanding
commitment to accurate sound reproduction. Our drivers, precision dividing
networks and rigid, well-braced enclosures combine to deliver uncom promised performance in any stereo or multichannel home theater system.
In addition, PHI Series speakers, except for the powered subwoofers,
are magnetically shielded for safe placement adjacent to a television.
Unpacking the System
Carefully unpack the system. If you suspect damage from transit,
report it immediately to your dealer and/or delivery service. Keep the
shipping carton and packing materials for future use. Open the
package and verify the following contents for the:
PLANNING YOUR SYSTEM
Before deciding where to best place your speakers, survey your room an
study Figures 1 and 2. The illustrations depict how to position the PHI 51
system. The PHI 21 system should be positioned according to the same
principles, but of course without Center Channel and Surround speakers.
Figure 1. In this overhead view of a typical installation, satellite
speakers are used to reproduce sound for the front and surround channels.
The center channel reproduces sound and dialogue.The powered
subwoofer provides bass for effects and music.
Figure 2.This figure shows an alternative layout which may be more
suitable for some rooms.
5 m combined subwoofer signal cable/ trigger cable.
2 lengths of 12 m speaker cable for rear speakers.
3 lengths of 6 m speaker cable for front and center speakers
5 m combined subwoofer signal cable/ trigger cable.
2 lengths of 6 m speaker cable for satellite speakers
Wall brackets
Wall
brackets
Floor stands x 4
Floor stands x 2
Powered Sub
Powered Sub
Satellite Speakers
Satellite Speakers
Center
PHI 51
P
HI 21
Subwoofer
Left
Front
Channel
Center
Channel
Couch
Right
Front
Channel
Left
Surround
Channel
Right
Surround
Channel
Subwoofer
Left
Front
Channel
Right
Front
Channel
Center
Channel
Right
Surround
Channel
Couch
Left
Surround
Channel
5
PLACEMENT
NOTE: The satellite speakers can be placed on a shelf, or mounted on a
wall using the supplied wall brackets. Alternatively, the floor stands permit
free positioning around the room.
Left and Right Front Channels
For left and right front channels, place one satellite to the left and another
to the right of the television, as shown in Figure 1. Since the speakers are
magnetically shielded, you can place them very close to the TV without
worrying about the magnetic field distorting the picture. The friction
stands let you tilt the speakers towards you if they are higher or lower
than your ears.
Center Channel
For the center channel, place the speaker directly on top of, or below,
your television. Use a shelf if the television does not provide a stable
platform.
Surround Channels
For left and right surround channels, place one speaker on the left and
another on the right, to the side of or slightly behind the listening area.
The surround speakers should be mounted at a height of between 1.2 and
2 meters.
Subwoofer
Since the installation of a subwoofer can be somewhat more complicated
than installing full-range speakers, it is essential that you read this
section very carefully prior to connecting the subwoofer to your system.
Should you have questions relating to installation, it is advisable to call
either your dealer or Infinity’s Customer Service Department for advice.
The performance of the subwoofer is directly related to its placement
in the listening room and how you align the subwoofer with the satellite
speakers. Setting the volume of the subwoofer in relation to the left and
right speakers is also of critical importance because it is essential that
the subwoofer integrate smoothly with the entire system. Setting the
subwoofer’s volume level too high will result in an overpowering,
boomy bass. Setting the volume level too low will negate the benefits
of the subwoofer.
Here are several additional facts on installation that may prove useful.
It is generally believed that low frequencies (below 125Hz) are
nondirectional and, therefore, placement of a subwoofer within any
listening room is not critical.While in theory it is true that the larger
wavelengths of extremely low frequencies are basically nondirectional,
the fact is that, when installing a subwoofer within the limited confines
of a room, reflections, standing waves and absorptions generated within
the room will strongly influence the performance of any subwoofer system.
As a result, specific location of the subwoofer becomes important, and we
strongly recommend that you experiment with placement before choosing a
final location. Placement will depend upon your room (for example, whether
or not your room permits placement of the subwoofer near either satellite)
and the amount and quality of bass required.
REMOVING THE SATELLITE DESK STANDS
The PHI satellites are equipped with their desk stands right out of the box.
This means that you can simply place them on any shelf or table just as
they are. Only if you wish to mount them on a wall or put them on floor
stands, is it necessary to detach the desk stands.
1: Remove the trim cover hiding the cable terminals.
2: Remove the central screw at the bottom of the desk stand.
You are now ready to either wall mount your satellites or to attach them to
floor stands.
WALL-MOUNTING THE SATELLITES
The PHI satellites are designed to be mounted on the wall. There is a wall
bracket for each satellite speaker.
Note:The customer is responsible for the
correct selection and use of mounting
hardware (available through hardware
stores) that will ensure the proper and safe
wall-mounting of the speakers.
Step 1.
Mark the positions on the wall where you would like to place the mounting
screws.
Step 2.
Place bracket against wall and fasten two appropriate screws through the
bracket’s screw holes into the wall. The wall brackets have a hole in the
back for cables that are installed into the wall. Make sure that enough
cable is free to reach the plus and minus terminals on the back of the
speaker and then dress it through the hole in the bracket before securing
the bracket onto the wall. Refer to the Center and Satellite Speaker
Connections.
After having secured the bracket on the wall with the wire hanging through
the hole, attach the two leads to the terminal screws on the speaker, and
secure the speaker to the wall bracket with the single central screw.
If you do not run wires inside the walls, you may dress the wires to run out
of the bottom of the wall bracket. There is a break-out section in the plastic
of the wall bracket made for this purpose. Simply break this section away to
open access. You may dress the cable inside a cable tray to make a nice,
clean-looking installation.
PHI 51 - PHI 21
ENGLISH
ASSEMBLING THE FLOORSTAND
Assembling the stand
1. The PHI stand is supplied with the base detached from the column.
2. Feed your speaker cable through the stand column. The cable can exit
through the hole at the bottom center of the stand base.
3. Secure the stand base to the column and tighten the two supplied fixing
screws.
Attaching the stand to the speaker
1. Connect the cable to the speaker terminals. Refer to the Center and
Satellite Speaker Connections. Pull enough cable out of the top of the
column to allow it to reach the speaker terminals comfortably when the
satellite is fixed in position.
2. Attach the speaker to the stand with the supplied long screw.
3. Re-fit the Trim cap on the speaker and tighten the fixing screw.
CENTER AND SATELLITE SPEAKER CONNECTIONS
Turn Off All Power
After placing the speakers, you are ready to connect your system.
First, turn off all audio-system power. Use the speaker wire provided,
or use high-quality speaker wire with polarity coding to make your
connections. The side of the wire with a ridge or other coding is usually
considered positive polarity (i.e., +). Also, consult the owner’s manuals
that were included with your amplifier or reciver to confirm connection
procedures. All wires are connected with either bare copper wires or
spades fixed to the screw-head binding posts. Banana plugs cannot
be used.
Satellites
Observe polarities when making speaker connections.
Connect each + terminal on the back of the amplifier or
receiver to the respective + (red) terminal on each speaker.
Connect the – (black) terminals in the same way.
Important!
Do not reverse polarities (i.e., + to – or – to +) when making connections.
Doing so will cause poor imaging and diminished bass response.
Be certain that positive and negative wire strands are completely isolated
to avoid short circuits that may damage your equipment.
Center Channel
Observe polarities when making speaker connections, as explained under
Satellites. Make sure that the polarity for the Center Speaker is identical to
the Satellites.
Loosen
Terminal
Insert Bare
End; Tighten
Terminal
No
Stripe = -
Stripe = +
Speaker Wire
+
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PHI 51 - PHI 21
Black –
Red +
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PHI 51 - PHI 21
Rear Panel
SUBWOOFER CONTROLS
Subwoofer-Level Control
Crossover Adjustment
Phase Switch
Power Mode Switch
Sub Trigger Input
Line Level Input
High Level Input
Power Switch
Voltage Switch
A Few Suggestions
We recommend that you do not operate your speakers or subwoofer with
the bass, treble and loudness controls set to full boost. This will place
undue strain on your electronics and speakers and could damage them.
The volume control setting on your processor/preamp or receiver is not a
specific indication of the overall loudness level of the speakers. The only
important consideration is the loudness level at which the system can be
played, regardless of where the volume control is set.
Always turn down the volume control setting on your processor/preamp or
receiver when changing a cassette or CD, or switching inputs to AM or FM
operation. Excessively loud transients (clicks or popping, sounds) can
damage the satellite speakers and, possibly, the subwoofer.
Important!
Whenever changing cables, pulling plugs, etc., ALWAYS TURN OFF ALL
EQUIPMENT, including the subwoofer.
The PHI Subwoofer is equipped with a Voltage Switch . This switch is
preset to the correct voltage for the part of the world where it is sold.
Always make sure that this switch is in the correct position, according to
the voltage in your country (240v is standard position). Use a screwdriver
to move this switch if you move to a country with different voltage.
ENGLISH
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PHI 51 - PHI 21
SUBWOOFER CONNECTIONS
CHOOSE THE SUBWOOFER CONNECTION THAT IS MOST SUITABLE FOR YOUR RECEIVER/PROCESSOR
If you have a Dolby* Digital or DTS®receiver/processor with a
low-frequency-effects (LFE) or subwoofer output:
If your receiver/processor does not have subwoofer outputs for the left
and right channels or an LFE output:
If your receiver/processor does not contain a Dolby Digital or DTS
processor but has a subwoofer output:
Connect speaker wire from your receiver/amplifier to your speakers and
subwoofer using two sets of speaker wire.
LINE-LEVEL SUBWOOFER CONNECTIONS
SPEAKER-LEVEL SUBWOOFER CONNECTIONS
AMPLIFIER/PROCESSOR
9
Surround Modes (Using LFE or line level inputs
to subwoofer)
When using the PHI system in a Dolby Digital or DTS home theater system,
make sure all speakers are set to “Small”.
Some Dolby Digital-equipped receivers/processors offer different setup
options for each source or surround mode, e.g., CD-stereo, videotape,
Dolby, Pro Logic. In each case, follow your equipment’s instructions to
ensure that the subwoofer output is turned on and that the speakers are
set to “Small”in each mode.
Surround Modes (Using high level inputs to subwoofer)
When using the PHI in a Dolby Digital or DTS home theater system, make
sure all speakers are set to “Large” in your receiver set-up menu.
When using the PHI in a Dolby Pro Logic* home theater system make sure
the receiver’s center channel mode is set to “Large”.
Some Dolby Digital-equipped receivers/processors offer different setup
options for each source or surround mode, e.g., CD-stereo, videotape, Dolby,
Pro Logic. In each case, follow your equipment’s instructions to ensure that
the speakers are set to “Large” in each mode.
Power On
Plug your subwoofer’s AC cord into a wall outlet. Do not use the outlets on
the back of the receiver.
Initially set the Subwoofer Level Control to the“MIN” position. Turn on
the subwoofer by pressing the Power Switch on the rear panel.
Turn on your entire audio system and start a CD or movie soundtrack at a
moderate level.
Important Note: The PHI Subwoofer includes a switchable Auto-On/Auto-Off
circuit. During periods of normal use, the Main Power Switch should always
be left on. It should only be turned off during extended periods of
nonoperation, e.g., when you are away on vacation.
Also, the Power Mode switch controls the daily ON/OFF function of the
subwoofer. In position "On", (which is the normal position), the supplied
Sub Trigger cable controls the subwoofer, switching it ON when a trigger
signal is sensed by the Sub Trigger input. This means that whenever your
main system or receiver is switched OFF, the subwoofer goes to OFF as
well. "Auto" is meant for systems that do not offer the use of a trigger
signal. In Auto mode, the subwoofer "listens" for a signal, and switches
ON whenever a signal is present. If no sound is sensed for a while, the
subwoofer switches to OFF. This means that if there is almost no sound
entering the subwoofer for a while, it shuts off, only to "wake up" again
whenever a sound arrives. This causes a short delay in bass reproduction,
so the initial part of a bass signal may not be reproduced. If possible, use
the trigger cable and set the Power Mode Switch to ON.
Adjust Gain
Turn the Subwoofer Level Control up about half way. If no sound
emanates from the subwoofer, check the AC-line cord and input cables.Are
the connectors on the cables making proper contact? Is the AC plug connected to a “live” receptacle? Has the Power Switch been pressed to
the “On”position and the Power Mode Switch been set to "On" if a Trigger
Cable is used, or "Auto" to react to incoming sound? Once you have
confirmed that the subwoofer is active, proceed by playing a CD, record or
cassette. Use a selection that has ample bass information.
Set the overall volume control of the receiver/processor to a comfortable
level. Adjust the Subwoofer Level Control until you obtain a pleasing
blend of bass. Bass response should not overpower the room but rather
be adjusted so there is a harmonious blend across the entire musical
range. Many users have a tendency to set the subwoofer volume too loud,
adhering to the belief that a subwoofer is there to produce lots of
OPERATION
bass.This is not entirely true. A subwoofer is designed to extend the
response of the entire system so the bass can be felt as well as heard.
However, overall balance must be maintained or the music will not sound
natural. An experienced listener will set the volume of the subwoofer so
its impact on bass response is always there but never obtrusive.
Crossover Adjustment
The Crossover control determines the highest frequency at which the
subwoofer reproduces sounds. For the PHI system, it is recommended that
this control be set at 200 Hz, which is marked as ideal crossover point on
the Crossover control scale.
If you have a Dolby Digital or DTS receiver/processor with an LFE (Low
Frequency Effect) output, please note that any internal filter (low-pass
filter) in the receiver should be set to 200 Hz as well.
Phase Control
The Phase Switch determines whether the subwoofer speaker’s
piston-like action moves in and out with the main speakers, 0°, or
opposite the main speakers, 180°. Proper phase adjustment depends on
several variables such as room size, subwoofer placement and listener
position. Adjust the phase switch to maximize bass output at the listening
position.
Final Positioning
After correctly connecting the PHI system and verifying that both the
subwoofer and all satellite speakers are playing, it is time to optimize the
system for your particular listening room. Earlier, you placed the subwoofer
in its general location. Finding the exact location for optimum performance
sometimes only involves moving the speakers up to a few inches in any
direction. We urge you, therefore, to experiment with placement, if possible,
until your speakers deliver their full potential.
MAINTENANCE AND SERVICE
The speaker and subwoofer enclosures may be cleaned using a soft cloth
to remove fingerprints or to wipe off dust. The grilles may be gently
vacuumed. Stains may be removed with an aerosol cleaner, following its
instructions. Do not use any solvents.
All wiring connections should be inspected and cleaned or remade
periodically.The frequency of maintenance depends on the metals involved
in the connections, atmospheric conditions, and other factors, but once per
year is the minimum.
If a problem occurs, make sure that all connections are properly made and
clean. If a problem exists in one loudspeaker, reverse the connection wires
to the left and right system. If the problem remains in the same speaker,
then the fault is with the loudspeaker. If the problem appears in the opposite speaker, the cause is in another component or cable. In the event that
your PHI system ever needs service, contact your local Infinity dealer or
distributor.
PHI 51 - PHI 21
ENGLISH
10
PHI 51 - PHI 21
PHI Satellite and Center
Enclosure type: Closed
Frequency Range: 200Hz-22kHz(±3dB)
Recommended Amp Power Range: 25-100Watts
Sensitivity (2.83V @ 1meter): 84dB
Nominal Impedance: 4 ohms
Crossover Frequency: 2500Hz, 12dB/Octave
Midrange Driver (S): 4 x 50mm (2 inch) neodymium woofer (Magnetically Shielded)
High-Frequency Driver: 19mm (3/4 inch) soft dome tweeter (Magnetically Shielded)
Dimensions (HxWxD): Satellite 367 x 85 x 120mm Center 345 x 107 x 120mm
Weight: 1.3Kg
PHI Subwoofer
Enclosure type: Bass Reflex
Frequency Range: 35Hz-250Hz
Power Rading: 100 Watts (RMS)
Amplifier Output: 100 Watts
Low-Frequency Driver: 210mm (8 inch) long throw shielded
Crossover Frequency: 50Hz-250Hz, 24dB/Octave,continuously variable
Dimensions (HxWxD): 296 x 296 x 296 mm
Weight: 9.7Kg
Infinity continually strives to update and improve existing products, as well as create new ones.
The specifications and construction details in this and related Infinity publications are therefore subject to change without notice.
The Infinity PHI system should not be used if the ambient temperature is higher than 45˚ C.”
SPECIFICATIONS
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PHI 51 - PHI 21
Notes:
ENGLISH
© 2008 Harman International Industries, Incorporated
Infinity Systems, 250 Crossways Park Drive, Woodbury, NY 11797 USA 800.553.3332 (USA only)
www.infinitysystems.com
* Trademark of Dolby Laboratories. DTS is a registered trademark of Digital Theater Systems, Inc. Infinity is a registered trademark of Harman International Industries, Incorporated.
Part no. YOMA00074-0001
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