The UCS1 was designed for use with the Unity™ U15 or U215 loudspeaker systems and is the ideal passive subwoofer to match their acoustic parameters. But as with all Yorkville subs, the UCS1 can be employed with any full-range enclosure, especially those with high output.

SKU: UCS Category:


System Type Horn Loaded Subwoofer
Active or Passive Passive
Program Power (Watts) 1200 watts (2400 Watts Peak)
Nominal Impedance (Ohms) 8
Sensitivity (dB @1Watt/1m) 102
Max SPL (dB) 137dB Peak (133dB Continuous)
Frequency Response (Hz +/- 3dB) 37 – 150
LF Driver(s) 15 inch, Ceramic Magnet, 3 inch voicecoil
LF Impedance (Ohms) 8
Inputs – 1/4″ Jacks 2
Inputs – Speakon 4-pin 2
Other Controls / Features Speakon™ connectors feature a configuration switch which allows instant reversal of Speakon™ jack pinouts for easy single wire hook-up using optional four wire Speakon™ cables.
Corners Black Steel
Wheels 2 Rear
Bar Handles 2 Top, 2 Side
Pole Mount Adapter (1 3/8″-3.5cm) Yes – Top
Enclosure Materials 15mm (5/8inch) 11-ply Russian Birch
Grille Heavy gauge perforated metal
Covering / Finish Black Ozite (Carpet)
Optional Covering / Finishes Black Ultrathane Paint (UCS1B)
Dimensions (DWH xbackW, inches) 26.25 x 19.25 x 41
Dimensions (DWH xbackW, cm) 67 x 49 x 104
Weight (lbs/kg) 116.4 / 52.8
  • 2400 Watt 15-inch Horn-Loaded Subwoofer (1200 Watts Program)
  • Max SPL 137dB Peak (133dB Continuous)
  • 15-inch long excursion 8-ohm driver
  • Compact size (11.1 cubic feet)
  • Solid 15mm 11-ply birch plywood cabinet
  • Heavy gauge perforated metal grille
  • Built in heavy duty casters and tiltback handle
  • Optional finish of black ultrathane paint (UCS1B)
  • Made in Canada