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© 2004 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   7/04

S

PECIFICATIONS

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

10 – 200 watts

10 – 150 watts

Sensitivity:

92dB

93dB

90dB

(2.83V @ 1 meter)

Nominal Impedance:

8

8

8

Crossover Frequency:

2500Hz; 24dB/octave

350Hz, 3300Hz; 24dB/octave

3000Hz; 24dB/octave

Low-Frequency Driver:

Dual 130mm (5-1/4") MMD™

Dual 165mm (6-1/2") MMD™

Dual 133mm (5-1/4") MMD™

magnetically shielded

magnetically shielded

magnetically shielded

Mid-Frequency Driver:

N/A

100mm (4") MMD™

N/A

magnetically shielded

High-Frequency Driver:

19mm (3/4") MMD,

19mm (3/4") MMD,

19mm (3/4") MMD,

magnetically shielded

magnetically shielded

magnetically shielded

Dimensions (H x W x D):

900mm x 187mm x 300mm

990mm x 208mm x 330mm

187mm x 444mm x 245mm

(with grille)

(35-1/2” x 7-3/8” x 11-3/4”)

(39" x 8-1/4" x 13")

(7-5/8" x 17-1/2" x 9-5/8")

Weight:

16kg (35.3 lb)

22kg (48.5 lb)

8kg (17.6 lb)

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 Group 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 Group International

Chateau-du-Loir, FRANCE 7/04

21426_Primus250_C25_ENG  13/08/04  9:48  Side 4

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