Yorkville U15B

15" Speaker, 800 Watt, 4 Ohms, Black Ultrathane Finish

OUR PART #: U15B Write the First Review.

Engineered for the serious pro audio user, the U15 offers a radical loudspeaker cabinet design utilizing the patented Unity™ Summation Aperture Horn Technology...
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Our Price: $1,399.00
List Price: $1,929.00
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Engineered for the serious pro audio user, the U15 offers a radical loudspeaker cabinet design utilizing the patented Unity™ Summation Aperture Horn Technology, which was invented by loudspeaker designer Tom Danley and licensed from Sound Physics Labs Inc. The U15 provides remarkably even high / mid frequency distribution from the 60º x 60º horn assembly. The combination of the conical, constant directivity horn, 15" new technology Neodymium woofer and Yorkville's unending attention to details, right down to the ideal trapezoidal shaped cabinet has yielded an extremely versatile product. The U15 Unity™ horn combines a single 1 inch throat (1.75" diaphragm) compression driver with three 5-inch ceramic magnet midrange drivers on a single highly efficient conical horn. This combines high and mid frequencies driver components in a single 60º x 60º conical horn that produces frequencies from 300Hz to 20kHz. Added to all this is the ultra lightweight Neodymium 15” woofer to complete the package. The U15 can be easily bi-amplified by way of a switch on the rear jackplate, or used with any élite series subwoofer for extended low frequency support. The UP15 Unity™ processor, designed specifically to optimize the sonic characteristics of the U15 has also been developed to ensure trouble free, “plug-and-play” full range or Bi-amp operation with or without a subwoofer.


  • Unique 60º x 60º Unity™ horn assembly combines midand high frequency drivers on conical horn.
  • All four component drivers mounted in a Unity™ hornare mechanically time-aligned to measure and act like a single point source.
  • No self-interference between individual loudspeakercomponents.
  • 15” high power lightweight (10lbs/4.5kgs) Neodymiumwoofer with 3” voicecoil.
  • Nine rigging points and internal standmount adapterallow for all possible mounting and flying configurations.
  • 15mm 11-ply birch cabinet construction.
  • Black Ultrathane (Painted) Finish


System Type: Three-Way
Active or Passive: Passive
Program Power (Watts): 800 / 200
Biampable: Yes
Nominal Impedance (Ohms): 4
Sensitivity (dB @1Watt/1m): 98
Max SPL (dB): 127
Frequency Response (Hz +/- 3db): 50 - 20k
Crossover Frequency (Hz): 300 / 1250
Driver Configuration: 15 inch / 3x5 inch / 1.75 inch
HF Driver(s): 1.75 inch polyester
HF Impedance (Ohms): 8
HF Horn: Conical Unity™ horn (1 inch throat)
HF Dispersion (°H x °V): 60 x 60
HF Protection: PTC™
MF Driver(s): 3 x 5 inch ceramic 1 inch voicecoil
MF Horn: Conical Unity™ horn
MF Dispersion (°H x °V): 60 x 60
LF Driver(s): 15 inch neodymium / 3 inch voicecoil
LF Program Power(Watts): 800
LF Impedance(Ohms): 4
Inputs - 1/4" Jacks: 2
Inputs - Speakon 4-pin: 2
Feet: Yes
Flying Hardware: 3/8inch x 9 (all corners)
Bar Handles: 2 Side
Pole Mount Adapter (1 3/8"-3.5cm): Yes
Enclosure Materials: 15mm 11-ply Birch
Grille: Perforated Metal
Covering / Finish: Black Ultrathane Paint (U15B)
Processor (optional): UP15
Dimensions (DWH xbackW, inches): 16.25 x 19.25 x 34 x 9.5
Dimensions (DWH xbackW, cm): 42 x 49 x 87 x 24
Weight (lbs/kg): 80.7 / 36.6

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