Infinity Speaker P142 User Manual

®
INFINITY PRIMUS SPEAKERS  
Owner’s Guide  
P142  
P152  
P162  
P252  
P362  
PC250  
PC350  
 
CHANGING THE P252 AND P362 FEET  
WALL-MOUNTING THE P142, P152 AND  
The P252 and P362 feature attractive outboard feet, installed at the  
factory. However, if you would like to replace them with the less visible  
inboard feet (included), follow the instructions below.  
PC250  
The P142, P152 and PC250 are designed to mount directly to a wall.  
Each speaker has two keyholes on the back, and will require (2) 1-1/2,"  
#10 wood screws fastened to a wall stud. If a wall stud is unavailable,  
install an anchor appropriate for a 1-1/2,"#10 screw.  
1. Remove the four feet on the bottom of the speaker by loosening the  
screw in each foot. Keep the screws for later use.  
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.  
Figure 4.  
Keyhole mounts  
1/4"-20 Threaded insert  
(P142 only)  
2. Remove the rubber plug from each inner hole (and save for possible  
future use).  
+
3. Attach the black inboard feet to the inner holes from which you just  
removed the rubber plugs, using the same screws you just removed.  
4. Hand-tighten securely, using a handheld Phillips (+ tip) screwdriver.  
Do not use a powered screwdriver of any type.  
Step 1.  
Mark the positions on the wall where you would like to place the mounting  
screws.  
Step 2.  
Fasten two 1-1/2,"#10 wood screws to the wall using the markings  
placed in Step 1 as your guide. Leave an 11/16" space between the wall  
and screwhead. If a wall stud is not available, use an appropriate anchor.  
Step 3.  
Place the speaker on the wall by aligning the keyholes on the back of the  
speaker to the screwheads on the wall. Once positioned properly, the  
speaker should slide down slightly and become secure.  
The P142 also allows the use of third-party wall brackets using the  
1/4"-20 threaded insert located beneath the keyhole mount. Consult the  
wall-bracket manufacturer for selection of proper bracket.ker on the wall  
by aligning the keyhole on the back of the speaker to the screwhead on  
the wall. Once positioned properly, the speaker should slide down slightly  
and become secure.  
CAUTION: Floorstanding (tower) loudspeakers have a high center of  
gravity and may become unstable and tip over during earthquakes, or  
if rocked, tipped or improperly positioned. If this is a concern, these  
speakers should be anchored to the wall behind them, using the same  
procedures and hardware customary for anchoring bookcases and wall  
units.The customer is responsible for proper installation and proper  
selection of hardware.  
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INFINITY PRIMUS SPEAKERS  
 
WIRING THE SYSTEM  
FINAL ADJUSTMENTS  
IMPORTANT: Make sure all equipment is turned off before making any  
connections.  
Check the speakers for playback, first by setting the system volume control  
to a minimum level, and then by applying power to your audio system. Play  
a favorite music or video segment and increase the system volume control  
to a comfortable level.  
For speaker connections, use a minimum #16-gauge speaker wire with  
polarity coding.The side of the wire with a ridge or other coding is  
usually considered positive polarity (i.e., +).  
NOTE: You should hear balanced audio reproduction across the entire  
frequency spectrum. If not, check all wiring connections or consult  
the authorized Infinity dealer from whom you purchased the system  
for more help.  
NOTE: If desired, consult your local Infinity dealer about speaker wire and  
connection options.  
The speakers have coded terminals that accept a variety of wire connec-  
tors.The most common connection is shown in Figure 5.  
The amount of bass you hear and the stereo-image quality will be affected  
by a number of different factors, including the room’s size and shape,  
the construction materials used to build the room, the listener’s position  
relative to the speakers, and the position of the speakers in the room.  
To ensure proper polarity, connect each + terminal on the back of the  
amplifier or receiver to the respective + (red) terminal on each speaker,  
as shown in Figure 6. Connect the (black) terminals in a similar way.  
Listen to a variety of music selections and note the bass level. If there is  
too much bass, move the speakers away from nearby walls. Conversely, if  
you place the speakers closer to the walls, there will be more bass output.  
See the owner’s guides that were included with your amplifier, receiver  
and television to confirm connection procedures.  
IMPORTANT: Do not reverse polarities (i.e., + to or to +) when  
making connections. Doing so will cause poor imaging and diminished  
bass response.  
Nearby reflecting surfaces can adversely affect stereo-imaging quality. If  
this happens, try angling the speakers slightly inward toward the listening  
position until the optimum effect is achieved.  
CARE OF YOUR SPEAKER SYSTEM  
Each Primus series cabinet has a wood-grain-vinyl finish that does not  
require any routine maintenance.When needed, use a soft cloth to remove  
any fingerprints or dust. Clean the grille by gentle vacuuming.  
NOTE: Do not use any cleaning products or polishes on the cabinet  
or grille.  
In the event that your Infinity speaker needs service, contact your Infinity  
the nearest service center.  
Figure 5.This example shows how to connect bare wires to the terminals.  
(one channel shown)  
BLACK  
RED  
Receiver or  
Amplifier  
(rear view)  
+
+
Speaker (rear view)  
Figure 6.Wiring diagram shows polarity connections for one  
channel of a stereo or home theater system.  
4
INFINITY PRIMUS SPEAKERS  
 
SPECIFICATIONS  
P142  
P152  
P162  
Frequency Range ( 3dB):  
100Hz – 20,000Hz  
58Hz – 20,000Hz  
49Hz – 20,000Hz  
Recommended  
Amplifier Power Range:  
10 – 100 watts  
86dB  
10 – 100 watts  
88dB  
10 – 150 watts  
90dB  
Sensitivity:  
(2.83V @ 1 meter)  
Nominal Impedance:  
Crossover Frequency:  
Low-Frequency Driver:  
8Ω  
8Ω  
8Ω  
3000Hz; 24dB/octave  
3300Hz; 24dB/octave  
3000Hz; 24dB/octave  
®
®
®
4" (100mm) MMD,  
magnetically shielded  
5-1/4" (130mm) MMD,  
magnetically shielded  
6-1/2" (165mm) MMD,  
magnetically shielded  
High-Frequency Driver:  
3/4" (19mm) MMD,  
magnetically shielded  
3/4" (19mm) MMD,  
magnetically shielded  
3/4" (19mm) MMD,  
magnetically shielded  
Dimensions (H x W x D):  
(with grille)  
9-7/8" x 5-15/16" x 6-13/16"  
(251mm x 150mm x 173mm)  
13" x 7-3/8" x 10-1/2"  
(330mm x 187mm x 267mm)  
14-3/4" x 8-1/4" x 11"  
(375mm x 208mm x 280mm)  
Weight:  
7 lb (3.2kg)  
13.5 lb (6kg)  
16.1 lb (7.3kg)  
P252  
P362  
PC250  
PC350  
Frequency Range ( 3dB):  
49Hz – 20,000Hz  
38Hz – 20,000Hz  
80Hz – 20,000Hz  
80Hz – 20,000Hz  
Recommended  
Amplifier Power Range:  
10 – 150 watts  
92dB  
10 – 200 watts  
93dB  
10 – 150 watts  
90dB  
10 – 150 watts  
91dB  
Sensitivity:  
(2.83V @ 1 meter)  
Nominal Impedance:  
Crossover Frequency:  
Low-Frequency Drivers:  
8Ω  
8Ω  
8Ω  
8Ω  
2500Hz; 24dB/octave  
350Hz, 3300Hz; 24dB/octave  
3000Hz; 24dB/octave  
650Hz, 2800Hz; 24dB/octave  
®
®
®
®
Dual 5-1/4" (130mm) MMD,  
magnetically shielded  
Dual 6-1/2" (165mm) MMD,  
magnetically shielded  
Dual 5-1/4" (133mm) MMD,  
magnetically shielded  
Dual 5-1/4" (133mm) MMD,  
magnetically shielded  
Mid-Frequency Driver(s):  
High-Frequency Driver:  
N/A  
4" (100mm) MMD,  
magnetically shielded  
N/A  
Dual 3" (75mm) MMD,  
magnetically shielded  
3/4" (19mm) MMD,  
magnetically shielded  
3/4" (19mm) MMD,  
magnetically shielded  
3/4" (19mm) MMD,  
magnetically shielded  
3/4" (19mm) MMD,  
magnetically shielded  
Dimensions (H x W x D):  
(with grille)  
35-3/4x 7-3/8x 11-3/4”  
(908mm x 187mm x 300mm)  
39-1/4" x 8-1/4" x 13"  
(997mm x 208mm x 330mm)  
7-5/8" x 18" x 9-5/8"  
(194mm x 457mm x 245mm)  
7-3/8" x 23-7/8" x 9-1/4"  
(187mm x 606mm x 235mm)  
Weight:  
35.3 lb (16kg)  
48.5 lb (22kg)  
17.6 lb (8kg)  
25 lb (11.4kg)  
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.  
5
INFINITY PRIMUS SPEAKERS  
 
NOTES  
6
INFINITY PRIMUS SPEAKERS  
 
NOTES  
7
INFINITY PRIMUS SPEAKERS  
 
Declaration of Conformity  
We, Harman Consumer Group International  
2, route de Tours  
72500 Château du Loir  
France  
declare in own responsibility that the products described  
in this owner’s manual are in compliance with technical  
standards:  
EN 61000-6-3:2001  
EN 61000-6-1:2001  
Laurent Rault  
Harman Consumer Group International  
Château du Loir, France 9/06  
© 2006 Harman International Industries, Incorporated.All rights reserved.  
Infinity Systems, 250 Crossways Park Drive,Woodbury, NY 11797 USA 516.674.4463 (USA only) www.infinitysystems.com  
Infinity, Infinity Primus and MMD are trademarks of Harman International Industries, Incorporated, registered in the United States and/or other countries.  
Metal Matrix Diaphragm is a trademark of Harman International Industries, Incorporated.  
Part No. 406-000-05514-E 9/06  
 

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