PMC IB-1S loudspeaker Specifications

Sidebar 1: Specifications

Description: Three-way, tri-wirable transmission-line loudspeaker. Drive-units: 1" (27mm) silk-dome tweeter; 3" (75mm) doped-fabric dome midrange driver; flat-surface, carbon-fiber/Nomex 10" (250mm) woofer. Crossover frequencies: 380Hz 3.8kHz. Crossover slopes: 4th-order, 24dB/octave. Frequency range: 25Hz–25kHz. Nominal impedance: 4 ohms. Sensitivity: 89dB/W/m. Peak SPL at 1m: >116dB. Recommended maximum amplification: 500W.
Dimensions: 29.1" (640mm) H by 13" (330mm) W by 18.3" (465mm) D. Weight: 80 lbs (36kg) each.
Finish: Matte black.
Serial numbers of units reviewed: 001015/16.
Price: $4500/pair (1998); 10" frame stands, $499/pair; no longer available (2005). Approximate number of dealers: 12.
Manufacturer: PMC, Unit 72, Haslemere Ind. Est., Tewin Road, Welwyn Garden City, Herts. AL7 1BD, England, UK. Tel: (44) 1707-393002. Fax: (44) 1707-393536. North American distributor: PMC USA, Tel: (949) 861-3350. Fax: (949) 861-3352. Web: