RTJ Audio 18Sub Specifications and Review

The RTJ Audio 18Sub ranks #24 out of 95 total Large Powered Home Subwoofers (Over 75 lbs) for sound quality. See Top Recommended Speakers By Attribute for all the top speaker suggestions.

#24 RTJ Audio 18Sub: $7,000

  • Notes: Made by JTR Audio (spelled backwards)
  • CEA-2010-A Average (40-80Hz): 123.4 dB
  • Cabinet Color: black
  • Country: United States
  • Dimensions: 22.5”H x 22.5”W x 15.0”D (571.5 x 571.5 x 381.0 mm)
  • Driver(s): (1) 18 inch
  • Enclosure: sealed
  • Measurement Source: Audioholics
  • Output SPL at 10 Hz: 93.9 dB
  • Output SPL at 100 Hz: 124.1 dB
  • Output SPL at 12.5 Hz: 97.7 dB
  • Output SPL at 125 Hz: 124.7 dB
  • Output SPL at 15 Hz: 103.3 dB
  • Output SPL at 20 Hz: 109.1 dB
  • Output SPL at 25 Hz: 113.5 dB
  • Output SPL at 31.5 Hz: 117.8 dB
  • Output SPL at 40 Hz: 121.4 dB
  • Output SPL at 50 Hz: 123.5 dB
  • Output SPL at 63 Hz: 124.4 dB
  • Output SPL at 80 Hz: 124.2 dB
  • Warranty: ?
  • Weight: 120.0lbs / 54.4kg
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