Short answer: the KEF R11 Meta for bass depth; the Revel F206 is similarly even but gives up extension. The F206’s spinorama shows a pretty even on-axis response, but some directivity error and a small peak around 4.5kHz appear alongside the directivity error around 3kHz. The KEF is generally flat on-axis with good directivity and very deep bass extension to an F10 of 30Hz, with a small dip around 1-1.2kHz as its main flaw.

Buy the Revel F226Be, the replacement for the discontinued Revel F206; it is rated higher for sound quality than the KEF R11 Meta.
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Specifications Side By Side
| KEF R11 Meta | Revel F206 | |
|---|---|---|
| Price | $6,999.98 per pair | $2,000 per pair used, Discontinued |
| Ranked | #46 of 228 in Large Size Floorstanding Speakers | #30 of 228 in Large Size Floorstanding Speakers |
| Bass Extension (-10dB) | 31Hz (measured, Audio Science Review) | 34Hz (measured, Audio Science Review) |
| Bass Extension (-3dB) | 64Hz (measured, Audio Science Review) | 60Hz (measured, Audio Science Review) |
| Dimensions | 51”H x 12.2”W x 15.1”D (1295.4 x 309.9 x 383.5 mm) | 40.3”H x 8.4”W x 12.2”D (1023.6 x 213.4 x 309.9 mm) |
| Impedance | 4 ohms | 4 ohms nominal (3.3 ohms minimum, measured by Audio Science Review) |
| Drivers | 4 x 165 mm (6.5 in.) hybrid aluminium cone woofers, 125 mm (5 in.) aluminium cone midrange, 25 mm (1 in.) vented aluminium dome with MAT tweeter | Dual 6.5” (16.5 cm) Aluminum Cone, Cast-frame Woofers, 5.25” (13.3 cm) Aluminum Cone, Cast-frame Midrange, 1” (2.5 cm) Aluminum Tweeter with Acoustic Lens Waveguide |
| Sensitivity | 89.5dB | 87dB (measured, Audio Science Review) |
| Weight | 80.5 lbs (36.5 kg) each | 57.3 lbs (26 kg) each |
| Woofer Cabinet | ported, rear | ported, front |
| Spinorama Preference Score | 5.91 | 5.51 |
| Spinorama Preference Score with Perfect Sub | 7.32 | 7.52 |
| DIY Kit | No | No |
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