Short answer: the ELAC Debut 3.0 DB63. It ranks #50 of 203 bookshelf speakers by sound quality (rated 4.2/5) at $499 and is still sold new; the Tannoy Revolution XT 6 ranks #185 (rated 2.6/5) and is discontinued, so it is only an option used.
The ELAC Debut 3.0 DB63 is the better-sounding option. 1” aluminum dome tweeter with a distinctive partial-lens waveguide design paired with a 6.5” third-generation aramid fiber cone woofer, in a robustly built cabinet for the price. Watch for: A dip in the lower midrange (300-600Hz, about 1.5dB) reduces vocal warmth and can make voices sound slightly hollow.
Why pick the Tannoy Revolution XT 6: Horizontal directivity is very good outside of a narrow glitch around 2.5kHz, meaning the coaxial design’s off-axis sound closely tracks on-axis within a +/-50 degree toe-in window. Watch for: CEA2034 spinorama shows significant on-axis dips and rising amplitude above 3kHz, and distortion measurements are the headline problem: 4-5% distortion at 96dB SPL in the most sensitive part of the audible band, far higher than the Revel M106 comparison unit at the same level.
Buy the ELAC Debut 3.0 DB63. It is rated higher for sound quality and still sold new, while the Tannoy Revolution XT 6 is discontinued.
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Specifications Side By Side
| ELAC Debut 3.0 DB63 | Tannoy Revolution XT 6 | |
|---|---|---|
| Price | $499.00 per pair | $1,100 per pair Discontinued |
| Ranked | #50 of 203 in Large Size Bookshelf Speakers | #185 of 203 in Large Size Bookshelf Speakers |
| Bass Extension (-10dB) | 40Hz (measured, Erin’s Audio Corner) | 46.8Hz (derived, log-interpolated between spinorama.org -9dB/-12dB points) |
| Bass Extension (-3dB) | 76Hz (measured, Erin’s Audio Corner) | 71.8Hz (measured, Audio Science Review) |
| Dimensions | 13.3”H x 7.7”W x 11.7”D (337.8 x 195.6 x 297.2 mm) | 15.8H x 8.7W x 11.9D in |
| Impedance | 6 ohms nominal (4.4 ohms minimum, measured, Erin’s Audio Corner) | 8 ohms nominal |
| Sensitivity | 86.2dB (measured, Erin’s Audio Corner) | 86.5dB (2.83V/1m, measured, Audio Science Review) |
| Drivers | 6.5” Aramid Fiber woofer, 1” soft dome tweeter | 6” dual-concentric multifiber-cone woofer with coaxial 1” PEI dome tweeter |
| Weight | 17.2 lbs (7.8 kg) each | 16.5 lbs (7.5 kg) each |
| Woofer Cabinet | ported, rear | ported, bottom-firing |
| DIY Kit | No | No |
| Power Handling | - | 25-120W recommended, 240W peak |
| Spinorama Preference Score | - | 2.15 |
| Spinorama Preference Score with Perfect Sub | - | 4.67 |
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The Two Speakers In Full
ELAC Debut 3.0 DB63: $499.00 per pair Amazon Crutchfield eBay
Older model: the ELAC Debut 2.0 B6.2 (ranked lower, rated 3.5/5).
Same family: the ELAC Debut 3.0 DB53 (smaller bookshelf, estimated 3.9/5), the ELAC Debut 3.0 DF53 (smaller floorstanding, estimated 4.2/5), the ELAC Debut 3.0 DF63 (larger floorstanding, rated 4.2/5), the ELAC Debut 3.0 DC53 (smaller center, estimated 3.4/5) and the ELAC Debut 3.0 DC63 (larger center, estimated 3.5/5).
Pros: 1” aluminum dome tweeter with a distinctive partial-lens waveguide design paired with a 6.5” third-generation aramid fiber cone woofer, in a robustly built cabinet for the price. Shallow bass rolloff (F3 76Hz, F10 40Hz) allows placement close to a wall without excessive boominess, useful for smaller living rooms. Solid measured performance for the price: on-axis linearity within about 2.5dB, impedance dipping only to about 4.4 ohms (easily AVR-driven), and roughly 20-26dB of usable dynamic range. A clear improvement over its sibling ELAC DB62, which has a sibilance issue tied to the crossover that can’t be fixed with EQ. Wide horizontal radiation of about ±60°, giving a spacious soundstage. Distortion looks good at a moderate 86dB and still reasonable at 96dB. Takes well to EQ correction: the reviewer provides a specific filter set (a low-shelf boost at 650Hz plus peaking cuts/boosts at 550Hz, 660Hz, and 3kHz) that meaningfully smooths out its known deviations. Measured bass extension of 76Hz (-3dB), with a measured sensitivity of 86.2dB.
Cons: A dip in the lower midrange (300-600Hz, about 1.5dB) reduces vocal warmth and can make voices sound slightly hollow. A high-Q resonance around 650-750Hz shows up clearly in measurements, though the reviewer couldn’t reliably hear it in his own A/B testing. A dip around 2-3kHz (roughly 1-2dB) slightly reduces speech intelligibility and attack in the upper midrange. Directivity droops above about 2kHz as the midwoofer narrows toward its beaming frequency while the tweeter’s pattern behaves differently: an inherent trade-off of physically separated drivers that can’t be fully corrected without introducing other issues. Multitone distortion crosses the reviewer’s 3% threshold in the 200Hz-1kHz range, and adding a subwoofer at an 80Hz crossover only modestly reduces it. Toeing the speaker away from the listener loses noticeable top-end air and cymbal energy, giving a softer upper register. Practical loudness ceiling is around 90dB at typical listening distance before midrange distortion and bass attack begin to degrade. Still needs a subwoofer for extension below about 40Hz.
Full ELAC Debut 3.0 DB63 review and specifications →
| Bass Extension (-10dB) | 40Hz (measured, Erin’s Audio Corner) |
|---|---|
| Bass Extension (-3dB) | 76Hz (measured, Erin’s Audio Corner) |
| DIY Kit | No |
| Dimensions | 13.3”H x 7.7”W x 11.7”D (337.8 x 195.6 x 297.2 mm) |
| Drivers | 6.5” Aramid Fiber woofer, 1” soft dome tweeter |
| Impedance | 6 ohms nominal (4.4 ohms minimum, measured, Erin’s Audio Corner) |
| Sensitivity | 86.2dB (measured, Erin’s Audio Corner) |
| Weight | 17.2 lbs (7.8 kg) each |
| Woofer Cabinet | ported, rear |
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- Reviews, Comparisons and Sound Samples
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Tannoy Revolution XT 6: $1,100 per pair Discontinued eBay
Pros: Horizontal directivity is very good outside of a narrow glitch around 2.5kHz, meaning the coaxial design’s off-axis sound closely tracks on-axis within a +/-50 degree toe-in window. Vertical response is notably better than a typical non-coaxial 2-way thanks to the concentric driver, and the downward-firing, base-integrated port is a distinctive, functional piece of industrial design. Measured bass extension of 71.8Hz (-3dB), with a measured sensitivity of 86.5dB.
Cons: CEA2034 spinorama shows significant on-axis dips and rising amplitude above 3kHz, and distortion measurements are the headline problem: 4-5% distortion at 96dB SPL in the most sensitive part of the audible band, far higher than the Revel M106 comparison unit at the same level. Careful multi-notch EQ improved things but never fully resolved it. The reviewer’s conclusion: “I can’t recommend the Tannoy XT 6”. The coaxial design’s distortion should have been addressed by the designer, not patched after the fact with EQ. Discontinued.
Full Tannoy Revolution XT 6 review and specifications →
| Bass Extension (-10dB) | 46.8Hz (derived, log-interpolated between spinorama.org -9dB/-12dB points) |
|---|---|
| Bass Extension (-3dB) | 71.8Hz (measured, Audio Science Review) |
| DIY Kit | No |
| Dimensions | 15.8H x 8.7W x 11.9D in |
| Drivers | 6” dual-concentric multifiber-cone woofer with coaxial 1” PEI dome tweeter |
| Impedance | 8 ohms nominal |
| Power Handling | 25-120W recommended, 240W peak |
| Sensitivity | 86.5dB (2.83V/1m, measured, Audio Science Review) |
| Spinorama Preference Score | 2.15 |
| Spinorama Preference Score with Perfect Sub | 4.67 |
| Weight | 16.5 lbs (7.5 kg) each |
| Woofer Cabinet | ported, bottom-firing |
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons