Infinity Primus P143, Owner'S Manual

Page: 5 / 7

5
INFINITY PRIMUS SPEAKERS
S
PECIFICATIONS
P143 P153 P163
Frequency range (±3dB):
100Hz – 20kHz 58Hz – 20kHz 49Hz – 20kHz
Recommended
amplifier power:
10 – 100 watts 10 – 100 watts 10 – 150 watts
Sensitivity:
(2.83V @ 1 meter)
86dB 88dB 90dB
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,
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)
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:
(2.83V @ 1 meter)
92dB 93dB 90dB 91dB
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,
magnetically shielded
Dual 6-1/2" (165mm) MMD,
magnetically shielded
Dual 5-1/4" (130mm) MMD,
magnetically shielded
Dual 5-1/4" (130mm) MMD,
magnetically shielded
Mid-frequency driver(s):
N/A
4" (100mm) MMD,
magnetically shielded
N/A
Dual 3" (75mm) MMD,
magnetically shielded
High-frequency driver:
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)
35-3/4" x 7-3/8" x 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 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.