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Angstrom Libretto Center Channel Speaker

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Sale Price: $1,699.99

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The Libretto center Channel loudspeakers offer the ultimate in center channel performance. It employs two 5" Pentacone™ woofers, one 1" silk dome tweeter and one 4" Mini Mid range Coupler. The 5" woofer and Mini Mid are our own design and the cones have a patented glass fibre weave. The cones are actually 5 sided. Hence, the name, Pentacone™. The cone design lowers resonance in the critical "mid-range" region, 160Hz-1280Hz. The baskets are cast magnesium with pole venting. A butylized Meuller surround of varying thickness further reduces resonance and is an integral part of the design. This allows for a smooth transition from the woofer to our Mini Mid.

The 1" tweeter is a masterpiece from Denmark. The 26mm coated diaphragm is made of fabric and silk. It has a neodymium motor, a copper clad aluminum voice coil and has a vented rear chamber. The tweeter has an aluminum phase plug. This design permits improved sensitivity allowing the tweeter to act as a perfect piston beyond 23KHz. The frequency response of this tweeter actually extends beyond 46KHz. Dispersion and power handling are excellent.

Conventional center channel designs, a single tweeter between 2 woofers, generally exhibit poor off-axis dispersion. Output is often sown more than 8db at 30 degrees. The Libretto's unique off-axis design virtually eliminates this problem. At 30 degrees off- axis, output is less than 1.5db. we have added an adjustable "presence control" to the crossover design. Output from 300Hz to 3000Hz may be reduced up to 8db . this adjustment allows for perfect matching to the characteristics of any listening room. being able to alter the output has another distinct advantage: the user can alter the loudspeaker's "power response". This is extremely important if the Libretto is to be used with any other brand of loudspeaker.

  • Nominal Impedance: 4 ohms
  • Sensitivity: 88dB/ 1m, 2.83V pink noise, C weighting
  • Sensitivity: 86.7dB/ 1m, 2.83V pink noise, 30 degree off axis
  • Frequency Response: 85Hz - 30KHz within 3dB
  • Overall dimensions: 7.75" H x 23.5" W x 12" D/ Metric Centimeters: 19.0 x 59.3 x 29.4
  • Weight: 33 lbs./ 15 kg
  • 7 Year Warranty
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