REFERENCE STANDARD 2.5 • Frequency Response: 30 through 32,000 Hz ±3 dB • Horizontal Dispersion: -2 dB @ 60° right or left (20 kHz) • Suggested for use with amplifiers of: 100 to 300 watts per channel • Nominal Impedance: 4 ohms • Drivers: For each channel: (a) one 12-inch (30cm) Infinity-Watkins Dual-Drive Woofer with polypropylene cone; (b) two EMIM (Electromagnetic Induction Midrange) drivers in dipole configuration; (c) two EMIT (Electromagnetic Induction Tweeters), one of them facing rearward • Crossover Frequencies: 300Hz (adjustable with optional electronic crossover control) and 5,000 Hz • Dimensions: 51 inches x 18 wide x 11 (129 cm x 46 wide x 28) • Shipping Weight: 117 pounds (53 kgs) each • Finish: Solid oak and veneers. Cloth grille and its frame are removable
PRODUCTION HISTORY: • Introduced in 1979 • Discontinued in 1982 • Original Retail Price: $2,300.00
