Waveform Research Mach 17 loudspeaker Specifications
Description: Three-way, tri-amped floorstanding dynamic loudspeaker. Drive-units: one 1" (25mm) silk-dome tweeter, one 6" (150mm) vacuum-formed TPX-cone midrange with vented pole-piece phase plug, two reflex-loaded, 12", treated paper-cone woofers. Crossover frequencies: 325Hz, 1850Hz. Frequency response: 27Hz–20kHz ±1dB. Sensitivity: 91.5–94dB/2.83V/1m. Nominal impedance: 8 ohms, tweeter and midrange sections; 4 ohms, woofer section. External electronic crossover: fully balanced (inputs and outputs), stereo, three-way, with three level controls and a mute switch for each driver on both channels. Crossover slopes: Linkwitz-Riley slope, 24dB/octave. Amplifier requirements: three stereo amplifiers with identical voltage gain, 120W maximum for tweeter and midrange, 400W maximum for the woofer.
Dimensions: 42" H by 23.5" W by 23.5" D. Woofer enclosure volume: 4.79 cubic feet (134 liters). Weight: 125 lbs each (136 lbs crated).
Finishes available: Architectural-grade American steamed black walnut veneer, quilted Makore, pommele mahogany.
Serial numbers of units reviewed: L5009/10.
Price: $6995/pair. Approximate number of dealers: 1 (factory-direct only).
Manufacturer: Waveform Research, R.R. #4, Brighton, Ontario, Canada K0K 1H0 (1997). No longer in business (2006).