The Waveform Loudspeaker Specifications

Sidebar 3: Specifications

Description: Four-way, bi-amplified, moving-coil–driver loudspeaker, with electronic crossover. One 15" JBL subwoofer, two 6", long-throw, fiber/plastic-laminate woofers, one 1" textile-dome tweeter, one ribbon super-tweeter. Crossover frequencies: 150Hz, 3kHz, 9kHz. Crossover slopes (from bottom up): 18dB/octave, 18dB/octave, 12dB/octave. Sensitivity: 90dB/1W/1m. Recommended amplifier power: up to 500W, depending on room size (two stereo amps required). Maximum output: unspecified, but "110–120dB" is mentioned—which gives you an idea of what to expect. Frequency response: 28Hz–20kHz, ±2dB.
Dimensions: 31" W by 21" D by 47" H. Weight: approximately 180 lbs each.
Price: $9800/pair (1989). Approximate number of dealers: 2 in US, 3 in Canada.
Manufacturer: Waveform Research, Inc., Brighton, Ontario, Canada. (1987–2000). No longer in existence (2006).

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