Infinity IRS Epsilon loudspeaker Specifications

Sidebar 1: Specifications

Description: Four-way, floorstanding loudspeaker system. Drivers: 12", servo-controlled cone woofer in sealed enclosure, planar-magnetic lower midrange (L-EMIM), midrange (EMIM), and two planar-magnetic tweeters (EMITs). Also includes Servo Control Unit and crossover unit with bass level, low bass, and midbass contour controls. Crossover frequencies: 150Hz, 500Hz, 3kHz. Frequency response: 25Hz–35kHz ±1.5dB. Sensitivity: 86dB/W/m. Nominal impedance: 4 ohms. Amplifier requirements: 150W minimum.
Dimensions: 59" H by 18" W by 15" D. Weight: 150 lbs each.
Serial numbers of units tested: loudspeakers, 011A/B; Servo Control Unit, N/A.
Price: $14,000/pair inc. Servo Control Unit (1995); no longer available (2009). Approximate number of dealers: 23.
Manufacturer: Infinity Systems, Inc., Chatsworth, CA 91311 (1995); Infinity, 250 Crossways Park Drive, Woodbury, NY 11797 (2009). Tel: (800) 553-3332. Web:

250 Crossways Park Drive
Woodbury, NY 11797
(800) 553-3332