Short answer: the Revel F206 for better sound quality, the ELAC DF63 for the lower price. The Revel F206 ranks #17 of 56 floorstanding speakers at $2000. The ELAC DF63 ranks #27 at $649, $1351 cheaper.
What the Revel F206 offers: CEA2034 spinorama shows a pretty even on-axis response. Watch for: Some directivity error and a small peak around 4.5kHz show up alongside the directivity error around 3kHz.
On the ELAC DF63 side: Three-driver floorstanding layout: two 6” dedicated midbase drivers plus a separate 6” mid-range driver (confirmed by measuring different driver impedance/inductance) and a 1” dome tweeter. Set against that: A genuine measured resonance around 200-300Hz (visible in frequency response, impedance, and group delay) causes an audible “droning” coloration on female vocals.
Buy the Revel F206 if sound quality matters more than the price. Buy the ELAC DF63 if the price matters more than sound quality.
Specifications Side By Side
| Revel F206 | ELAC DF63 | |
|---|---|---|
| Price | $2000 used, Discontinued | $649.00 |
| Ranked | #17 of 56 in Large Size Floorstanding Speakers | #27 of 56 in Large Size Floorstanding Speakers |
| Bass Extension (-10dB) | 34Hz (measured, Audio Science Review) | 29Hz (measured, Erin’s Audio Corner) |
| Bass Extension (-3dB) | 60Hz (measured, Audio Science Review) | 71Hz (measured, Erin’s Audio Corner) |
| Dimensions | 40.3"H x 8.4"W x 12.2"D (1023.6 x 213.4 x 309.9 mm) | 43.1"H x 7.7"W x 10.6"D (1094.7 x 195.6 x 269.2 mm) |
| Discontinued | Yes | - |
| Impedance | 4 ohms nominal (3.3 ohms minimum, measured by Audio Science Review) | 6 ohms nominal (3.4 ohms minimum, measured, Erin’s Audio Corner) |
| Drivers | 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 | Two 6.5" Aramid Fiber woofer, 6.5" Aramid Fiber midrange, 1" Aluminum Dome tweeter |
| Sensitivity | 87dB (measured, Audio Science Review) | 86.6dB (measured, Erin’s Audio Corner) |
| Weight | 57.3 lbs / 26 kg each | 58.2 lbs / 26.4 kg each |
| Woofer Cabinet | ported, front | ported, rear |
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The Two Speakers In Full
Revel F206: $2000 used, Discontinued
Pros: CEA2034 spinorama shows a pretty even on-axis response. Predicted in-room response is excellent, with a smooth downward slope. Horizontal beamwidth of about ±65 degrees is wide, if a bit uneven. Distortion is very nice at 86dB SPL/1m, falling below the frequency range where human hearing is most sensitive, and stays excellent even at 96dB SPL/1m. Near-field measurements of the individual drivers show nice suppression of port and woofer resonances. Really amazing value for the performance.
Cons: Some directivity error and a small peak around 4.5kHz show up alongside the directivity error around 3kHz. Vertical directivity means listening position needs to stay within the tweeter axis, though the reviewer notes there is some leeway. Minimum impedance dips to 3.3 ohms, calling for an amplifier comfortable with a demanding load. Discontinued.
Full Revel F206 review and specifications →
| Bass Extension (-10dB) | 34Hz (measured, Audio Science Review) |
|---|---|
| Bass Extension (-3dB) | 60Hz (measured, Audio Science Review) |
| Dimensions | 40.3"H x 8.4"W x 12.2"D (1023.6 x 213.4 x 309.9 mm) |
| Discontinued | Yes |
| Drivers | 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 |
| Impedance | 4 ohms nominal (3.3 ohms minimum, measured by Audio Science Review) |
| Sensitivity | 87dB (measured, Audio Science Review) |
| Weight | 57.3 lbs / 26 kg each |
| Woofer Cabinet | ported, front |
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ELAC DF63: $649.00 Amazon
Pros: Three-driver floorstanding layout: two 6” dedicated midbase drivers plus a separate 6” mid-range driver (confirmed by measuring different driver impedance/inductance) and a 1” dome tweeter, each woofer given its own stuffed chamber inside the cabinet. The dedicated midrange driver keeps distortion low even at higher output, avoiding the intermodulation grain typical of two-way bookshelf designs. The waveguide keeps high-frequency directivity well controlled, and overall horizontal directivity is good up to about 2kHz. Harmonic distortion looks good at both 86dB and 96dB, and multitone distortion stays below the reviewer’s 3% threshold. A shallow bass rolloff (F3 71Hz, F10 29Hz) lets it extend fairly low without a hard cutoff. Preferred by the reviewer over the similarly-priced Polk R500 (too much high-frequency narrowing, less neutral) and considered ahead of the Polk R700 as well.
Cons: A genuine measured resonance around 200-300Hz (visible in frequency response, impedance, and group delay) causes an audible “droning” coloration on female vocals. A mild peak around 10kHz makes shakers and similar high-frequency percussion jump too far forward in the mix; needed about 2dB of EQ to tame in testing. A dip in the 1-3kHz range gives the speaker a warm, slightly veiled character - the reviewer suspects the tweeter crossover point (around 2-3kHz) is set a bit high and could be lowered to fill this in. Directivity shows a noticeable handoff mismatch around 2.5kHz where the midrange driver hands off to the tweeter, though it’s minor at the -6dB point. Vertical directivity is narrower than horizontal, so listeners need to stay close to the tweeter axis. Low EPDR (about 1.5 ohms minimum) means a Class AB amplifier should be well-ventilated. Best positioned pointed directly at the listener and closer to the front wall - toeing it out into the room causes too much high-frequency rolloff.
Full ELAC DF63 review and specifications →
| Bass Extension (-10dB) | 29Hz (measured, Erin's Audio Corner) |
|---|---|
| Bass Extension (-3dB) | 71Hz (measured, Erin's Audio Corner) |
| Dimensions | 43.1"H x 7.7"W x 10.6"D (1094.7 x 195.6 x 269.2 mm) |
| Drivers | Two 6.5" Aramid Fiber woofer, 6.5" Aramid Fiber midrange, 1" Aluminum Dome tweeter |
| Impedance | 6 ohms nominal (3.4 ohms minimum, measured, Erin's Audio Corner) |
| Sensitivity | 86.6dB (measured, Erin's Audio Corner) |
| Weight | 58.2 lbs / 26.4 kg each |
| Woofer Cabinet | ported, rear |
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