Series 6 Designer Notes

This statement design is all about finding the point of diminishing returns as regards performance-per-cost, and then running hard into the knee of that curve.

  • Acoustic geometry optimized for high tweeter elevation (52") and listening distance of 8 to 10 feet. The high monitor renders a subjectively large sound stage. This truly makes the sound seem "bigger".
  • Cover page below represents nearly 100 hours in cabinet CAD alone.
  • [Click for larger image:]

  • ScanSpeak dual drones reach to 18Hz with only 2.2 cubic feet of cabinet volume.
  • ScanSpeak 4ohm woofer shows a smooth SPL response to 1500Hz, two octaves above its cross point.
  • ScanSpeak D2904-7100 Revelator tweeter is more reliable than their 6600 AirCirc version. The faceplate matches the style of the midrange frame. Its high efficiency also mates favorably to that of the dual midranges. This SD-2 tweeter is known for that "hear-through" transparency that delivers a relaxed and refined treble, or what I call "shoulder droop treble".
  • Each Skaaning purpose-built 15cm (6") midrange (C-Quenze p/n 15 H 52 12 06 SDKM) is mounted on its own sub-baffle, and is canted forward 5 degrees above and below the tweeter. Therefore, in the 8 to 10-ft distance window, the listener is perfectly on axis of all three drivers, and hence there can be no smearing of the signal from the two midranges.
  • D'Appolito MTM configuration with dual 6" [15cm] midrange drivers provides more cone area than that of a single 7" [18cm] woofer. This delivers the desired acoustic "drive" in the power region (200-400Hz octave).
  • Narrow monitor baffle with well-contoured edges around the midranges and tweeter helps the monitor to "disappear" behind the acoustic image. Woofer cabinet accommodates the three 10" and then narrows to match the monitor footprint.
  • Monitor top is sloped down by 5 degrees. By simply flipping the monitor upside down, the reference axis is also aimed down 5 degrees. This is the setup for the 8' distance, while the "right-side up" monitor is used for 10' distance or greater. The reference axis angle can even be further fine-tuned with the flexible floor spikes system.
  • Crossover implemented hybrid passive monitor / active bass (using miniDSP SHD), or all-DSP-active.
  • Speaker finished fully painted.

[Click for larger image:]