Tannoy SUB15I

DS15i Definition Install Series 15" Subwoofer

OUR PART #:  SUB15I Write the First Review.

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List Price: $2,533.20
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TANNOY's DS15i is a subwoofer designed to underpin DS8i- and DS12i-based front end systems.
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TANNOY's DS15i is a subwoofer designed to underpin DS8i- and DS12i-based front end systems. It combines a 15" (380mm) high-power professional driver in a substantially built 76 liter port-loaded cabinet.

The port-loading is via a low front slot, and gives immersive deep bass which allows close-to-wall placement.

Set into a 36mm front baffle, the DS15i sub driver is capable of handling 600 Watts of average power, 1200 Watts of program material, and remarkable 2400 Watt peaks. It achieves a class-leading 96 dB/Watt sensitivity, providing it with 130 dB peak SPL output. Capable of driving LFE or bass reinforcement in medium-to-large rooms all on its own, TANNOY recommends a pair of DS15i SUBs for even smoother base reproduction and (4) DS15i SUBs for those who demand the ultimate in smooth, deep, and impactful bass (citing Floyd E Toole, Sound Reproduction: The Acoustics and Psychoacoustics of Loudspeakers and Rooms).

Definition Install Series - The Definition Install range has been designed around the unique TANNOY Dual Concentric drive unit to bring class leading performance to a wide range of installation applications. From media rooms to the high performance home theatres, this comprehensive range of install loudspeakers delivers class-leading accuracy, sensitivity, and dynamics.

TANNOY DS15i Specifications:

  • System
    • Frequency Range¹: 36 Hz
    • System Sensitivity (1W @1m)²: 96dB (1W = 2.83V for 8 Ohms)
    • Dispersion (-6dB): 90 degrees conical
    • Driver Complement: 1 x 15.00" (380mm) bass driver
    • Rated Maximum SPL:
      • Average: 124dB
      • Peak: 130dB
    • Power Handling: Average: 600W
    • Program: 1200W
    • Peak: 2400W
    • Recommended Amplifier Power: 600W - 1200W @ 8 Ohms
    • Recommended Crossover: 70Hz - 300Hz, 24dB/octave
    • Recommended High-pass filter: 35Hz, 24dB/octave
    • Nominal Impedance: 8 Ohms
    • Distortion:
      • 10% Full Power (17.9V)
        • 2nd Harmonic:
        • 40Hz: 0.28%
        • 100Hz: 0.29%
        • 3rd Harmonic:
        • 40Hz: 2.26%
        • 100Hz: 0.60%
      • 1% Full Power (5.6V)
      • 2nd Harmonic
        • 40Hz: 0.19%
        • 100Hz: 0.13%
      • 3rd Harmonic
      • 40Hz: 0.39%
      • 100Hz: 0.02%
    • Enclosure: 76 liters, front baffle 1.37" (36mm), other panels 0.62" (15mm) MDF, internally braced
    • Finish: Black paint
    • Connectors: 2 x Binding posts
    • Fittings: 8 x M10 inserts
    • 4 x Rubber feet
    • Dimensions (HxWxD): 20.67" x 18.11" x 16.93" (525 x 460 x 430mm)
    • Weight: 66.1 lbs (30 kg)
  • Tannoy operates a policy of continuous research and development. Tannoy reserves the right to alter specifications and information without prior notification


¹ Average over stated bandwidth. Measured at 1 meter on axis.

² Unweighted pink noise input, measured at 1 meter in an anechoic chamber

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