Infinity PRIMUS P143 - Specifications

SPECIFICATIONS
P143
P153 P163
Frequency range (±3dB):
100Hz - 20kHz
58Hz - 20kHz 49Hz - 20kHz
I
Recommended amplifier
power: 10- 100 watts
10- 100 watts
10- 150 watts
Sensitivity:
86dB
88dB 90dB
(2,83V @ 1 meter)
Nominal impedance: 8 ohms
8 ohms 8 ohms
Crossover frequency:
3000Hz; 24dB/octave
3300Hz: 24dB/octave 3000Hz: 24dB/octave
low· frequency driver:
4' (100mm) MMD,
5-1/4' (130mm) MMD,
6-1/2" (165mm) MMD,
magnetically shielded
magnetically shielded
magnetically shielded
High·frequency driver:
3/4" (1 9mm) MMD,
3/4" (19mm) MMD,
3/4" (19mm) MMD,
magnetically shielded
magneticarly shielded
magnetically shielded
Dimensions (H xWx D):
9-7/8" x 5-15/16" x6-13/16' 13" x7-3/8' x 10-1/2' 14-3/4" x8-1/4' x 11 '
(with grille)
(251 mm x 150mm x 173mm) (330mm x 187mm x 267mm)
(375mm x 208mm x 280mm)
Weight:
7 Ib (32kg)
13.5 Ib (6kg)
16.1 Ib (7.3kg)
P253
P363
PC251 PC351
Frequency range (±3dB): 49Hz - 20kHz
38Hz - 20kHz 80Hz - 20kHz
80Hz - 20kHz
Recommended amplifier
power:
10- 150 watts 10 - 200 watts
10- 150 watts 10- 150 watts
Sensitivity:
92dB
93dB
90dB 91dB
(2,83V @ 1 meter)
Nominal impedance: 8 ohms
8 ohms
8 ohms 8 ohms
Crossover frequency:
2500Hz: 24dB/octave 350Hz, 3300Hz; 24dB/octave 3000Hz; 24dB/octave
650Hz, 2800Hz: 24dB/octave
low-frequency driver:
Dual 5-1/4' (130mm) MMD,
Dual 6-1/2" (165mm) MMD, Dual 5-1/4" (130mm) MMD, Dual 5-1/4" (130mm) MMD,
magnetically shielded
magnetically shielded magnetically shielded
magnetically shielded
Mid·frequency driver(s):
N/A
4" (100mm) MMD,
N/A
Dual 3" (75mm) MMD,
magnetically shielded
magnetically shielded
High-frequency driver:
3/4" (19mm) MMD, 3/4" (19mm) MMD, 3/4" (1 9mm) MMD,
3/4" (1 9mm) MMD,
magnetically shielded
magnetically shielded magnetically shielded magnetically shielded
Dimensions (H xWx D):
35-3/4" x7-3/8" x11-3/4" 39-1/4" x8-1/4" x13' 7-5/8" x 18" x 9-5/8"
7-3/8" x 23-7/8" x 9-1/4"
(with grille)
(908mm x 187mm x 300mm) (997mm x 208mm x 330mm)
(1 94mm x 457 mm x 245mm) (187mm x 606mm x 235mm)
Weight: 35.3 Ib (16kg)
48.5 Ib (22kg) 17.6 Ib (8kg)
25 Ib (11.4kg)
Infinity engineers continually strive to update and improve existing products as well as to create new ones. The specifications and construction details in this and related Infinity publications are
therefore subject to change without notice.
INFINITY PRIMUS SPEAKERS m