Short answer: the Dynaudio Contour 20i needs the right room; the ELAC Debut 3.0 DB63’s caveat is simpler. The Contour 20i pairs a 1.125-inch Esotar2i silk dome with a 7-inch magnesium silicate polymer woofer in a vented enclosure, but sounds too bright in the lower treble in smaller rooms with close sidewalls and needs sidewall absorption. The DB63’s 1.5dB dip from 300-600Hz reduces vocal warmth and can make voices sound slightly hollow.
Buy the ELAC Debut 3.0 DB63. It is rated higher for sound quality than the Dynaudio Contour 20i and costs less, which makes it the one to get unless you need something the other one does better.
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Specifications Side By Side
| ELAC Debut 3.0 DB63 | Dynaudio Contour 20i | |
|---|---|---|
| Price | $499.00 per pair | $5750 per pair |
| Ranked | #42 of 134 in Large Size Bookshelf Speakers | #62 of 134 in Large Size Bookshelf Speakers |
| Bass Extension (-10dB) | 40Hz (measured, Erin’s Audio Corner) | 32Hz (measured, Erin’s Audio Corner) |
| Bass Extension (-3dB) | 76Hz (measured, Erin’s Audio Corner) | 56Hz (measured, Erin’s Audio Corner) |
| Dimensions | 13.3”H x 7.7”W x 11.7”D (337.8 x 195.6 x 297.2 mm) | 17.4”H x 8.5”W x 14.2”D (442 x 215.9 x 360.7 mm) |
| Impedance | 6 ohms nominal (4.4 ohms minimum, measured, Erin’s Audio Corner) | 4 ohms |
| Sensitivity | 86.2dB (measured, Erin’s Audio Corner) | 82.5dB |
| Drivers | 6.5” Aramid Fiber woofer, 1” soft dome tweeter | 18 cm MSP woofer, 28mm Esotar 2i with Hexis tweeter |
| Weight | 17.2 lbs (7.8 kg) each | 30.9 lbs (14 kg) each |
| Woofer Cabinet | ported, rear | ported, rear |
| DIY Kit | No | No |
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The Two Speakers In Full
ELAC Debut 3.0 DB63: $499.00 per pair Amazon Crutchfield eBay
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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Dynaudio Contour 20i: $5750 per pair Safe and Sound HQ eBay
Pros: Two-way design with a 1.125” Esotar2i silk dome tweeter and a 7” magnesium silicate polymer woofer in a vented enclosure. A shallow bass rolloff profile lets it sit closer to a wall (about 1-2 feet worked best in testing) without becoming boomy, and makes subwoofer integration comparatively easy. Very wide horizontal radiation (about ±70° through the midrange) gives an enveloping, spacious sound in a suitably sized room. On-axis response holds within about ±3dB overall and ±1.5dB through the midrange. Attractive build quality with a distinctive metal front baffle and gloss finish options. Long-term compression stays good up to 96dB, and short-term compression is within about 0.5dB at that same level. Measured bass extension of 56Hz (-3dB).
Cons: Notably room-dependent: sounds too bright in the lower treble in smaller rooms with close sidewalls, needing sidewall absorption to sound neutral, while performing better in larger or more open rooms without that treatment. A roughly 2dB lift in the lower treble combined with wide dispersion means more energy reflecting off sidewalls than some listeners will prefer. Relatively low sensitivity (about 82.5dB measured). Unusually sensitive to amplifier output impedance: high-output-impedance amps like tube or SET designs introduce up to a 2dB dip in the midrange, making the sound more mellow rather than “warmer,” the opposite of what many tube-amp buyers expect. Elevated harmonic and multitone distortion around 700Hz, which the reviewer attributes to typical cone-edge/surround behavior common across many driver brands, though it stands out on the measurement graphs. An upper-midrange dip around 2kHz can reduce attack and clarity on vocals and brass instruments. Vertical listening window is fairly narrow (roughly -20° to +30°): moving outside that range causes a noticeable tonal shift, unlike coaxial designs that tolerate more vertical movement.
Full Dynaudio Contour 20i review and specifications →
| Bass Extension (-10dB) | 32Hz (measured, Erin’s Audio Corner) |
|---|---|
| Bass Extension (-3dB) | 56Hz (measured, Erin’s Audio Corner) |
| DIY Kit | No |
| Dimensions | 17.4”H x 8.5”W x 14.2”D (442 x 215.9 x 360.7 mm) |
| Drivers | 18 cm MSP woofer, 28mm Esotar 2i with Hexis tweeter |
| Impedance | 4 ohms |
| Sensitivity | 82.5dB |
| Weight | 30.9 lbs (14 kg) each |
| Woofer Cabinet | ported, rear |
- Links
- Reviews, Comparisons and Sound Samples
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