Primus 250/360/C25 OM 4/4/03 3:24 PM Page 3
PRIMUS SPEAKER SYSTEMS
Owner’s Guide
Primus 250
Primus 360
Primus C25
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Primus 250/360/C25 OM 4/4/03 3:24 PM Page 5
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 con-
trol 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 4.
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 5. 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.
Figure 4.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 5.Wiring diagram shows polarity connections for one channel of a
stereo or home theater system.
3
PRIMUS SPEAKER SYSTEMS
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Primus 250/360/C25 OM 4/4/03 3:24 PM Page 2
SPECIFICATIONS
Primus 250
Primus 360
Primus C25
Frequency Range:
49Hz – 20,000Hz (±3dB)
38Hz – 20,000Hz (±3dB)
80Hz – 20,000Hz (±3dB)
Recommended
Amplifier Power Range:
10 – 150 watts
92dB
10 – 200 watts
93dB
10 – 150 watts
90dB
Sensitivity:
(2.83V @ 1 meter)
Nominal Impedance:
Crossover Frequency:
Low-Frequency Driver:
8Ω
8Ω
8Ω
2500Hz; 24dB/octave
350Hz, 3300Hz; 24dB/octave
3000Hz; 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
Mid-Frequency Driver:
High-Frequency Driver:
N/A
4" (100mm) MMD,™
magnetically shielded
N/A
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)
35-1/2”x 7-3/8”x 11-3/4”
(900mm x 187mm x 300mm)
39" x 8-1/4" x 13"
(990mm x 208mm x 330mm)
7-5/8" x 17-1/2" x 9-5/8"
(187mm x 444mm x 245mm)
Weight:
35.3 lb (16kg)
48.5 lb (22kg)
17.6 lb (8kg)
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.
Declaration of Conformity
We, Harman Consumer International
2, route de Tours
72500 Chateau-du-Loir
France
declare in own responsibility that the products described
in this owner’s manual are in compliance with technical
standards:
EN 50081-1:1992
EN 50082-1:1997
Robin Marshall
Harman Consumer International
Chateau-du-Loir, FRANCE 4/03
© 2003 Harman International Industries, Incorporated
Infinity Systems, 250 Crossways Park Drive,Woodbury, NY 11797 USA 800.553.3332 (USA only) www.infinitysystems.com
Infinity is a registered trademark, and Infinity Primus and MMD are trademarks, of Harman International Industries, Incorporated.
Part No. 406-000-01536 4/03
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