Short answer: the Revel F328Be for better sound quality, the ELAC Debut 3.0 DF63 for the lower price. The Revel F328Be ranks #9 of 188 floorstanding speakers, rated 4.7/5, at $19,359.90. The ELAC Debut 3.0 DF63 ranks #73, rated 4.2/5, at $1,298, $18,061.90 cheaper.
Why pick the ELAC Debut 3.0 DF63: 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 catch: A genuine measured resonance around 200-300Hz (visible in frequency response, impedance, and group delay) causes an audible “droning” coloration on female vocals.
The Revel F328Be is the more accurate pick. CEA2034 spinorama shows a quite flat on-axis response with superb directivity and efficiency above 90dB. Its measured preference score, a predictor of how neutral it sounds, is 6.40 against 5.83 for the ELAC Debut 3.0 DF63. The tradeoff: Vertical directivity is asymmetric: the reviewer recommends staying between -20 and +40 degrees relative to the tweeter axis, reflecting the driver layout of this three-way tower.
Buy the ELAC Debut 3.0 DF63 if the price is the priority over sound quality, or the Revel F328Be if sound quality is the priority over the price.
Looking for alternatives? See the complete Passive Home rankings.
Specifications Side By Side
| ELAC Debut 3.0 DF63 | Revel F328Be | |
|---|---|---|
| Price | $1,298 per pair | $19,359.90 per pair |
| Ranked | #73 of 188 in Large Size Floorstanding Speakers | #9 of 188 in Large Size Floorstanding Speakers |
| Bass Extension (-10dB) | 29Hz (measured, Erin’s Audio Corner) | 39Hz (measured, Audio Science Review) |
| Bass Extension (-3dB) | 71Hz (measured, Erin’s Audio Corner) | 74Hz (measured, Audio Science Review) |
| Dimensions | 43.1”H x 7.7”W x 10.6”D (1094.7 x 195.6 x 269.2 mm) | 50.9”H x 13.5”W x 17.6”D (1292.9 x 342.9 x 447 mm) |
| Impedance | 6 ohms nominal (3.4 ohms minimum, measured, Erin’s Audio Corner) | 8 ohms nominal (3 ohms minimum, measured by Audio Science Review) |
| Drivers | Two 6.5” Aramid Fiber woofer, 6.5” Aramid Fiber midrange, 1” Aluminum Dome tweeter | Three 8” (200mm) Deep Ceramic Composite aluminum cones, with cast frames woofer, 5-1/4” (130mm) Deep Ceramic Composite aluminum cone, with cast frame midrange, 1” (25mm) Beryllium dome, with acoustic lens waveguide tweeter |
| Sensitivity | 86.6dB (measured, Erin’s Audio Corner) | 91dB (measured, Audio Science Review) |
| Weight | 58.2 lbs (26.4 kg) each | 112.4 lbs (51 kg) each |
| Woofer Cabinet | ported, rear | ported, rear |
| Spinorama Preference Score | 5.83 | 6.40 |
| Spinorama Preference Score with Perfect Sub | 7.33 | 7.81 |
| DIY Kit | No | No |
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Prices on this page were last checked October 9, 2026 at 8:01 AM UTC. Product prices and availability are accurate as of that date/time and are subject to change; the price and availability shown on Amazon at the time of purchase will apply to the purchase of this product.
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The Two Speakers In Full
ELAC Debut 3.0 DF63: $1,298 per pair Amazon eBay
Same family: the ELAC Debut 3.0 DB53 (smaller bookshelf, estimated 3.9/5), the ELAC Debut 3.0 DB63 (larger bookshelf, rated 4.2/5), the ELAC Debut 3.0 DF53 (smaller floorstanding, ranked lower, estimated 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: 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 Reserve R500 (too much high-frequency narrowing, less neutral) and considered ahead of the Polk Audio Reserve R700 as well. Measured bass extension of 71Hz (-3dB), with a measured sensitivity of 86.6dB.
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 Debut 3.0 DF63 review and specifications →
| Bass Extension (-10dB) | 29Hz (measured, Erin’s Audio Corner) |
|---|---|
| Bass Extension (-3dB) | 71Hz (measured, Erin’s Audio Corner) |
| DIY Kit | No |
| 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) |
| Spinorama Preference Score | 5.83 |
| Spinorama Preference Score with Perfect Sub | 7.33 |
| Weight | 58.2 lbs (26.4 kg) each |
| Woofer Cabinet | ported, rear |
- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons
- ELAC Debut 3.0 DF63 vs Polk Reserve R500
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- ELAC Debut 3.0 DF63 vs PSB Imagine T65
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Revel F328Be: $19,359.90 per pair Crutchfield eBay
Same family: the Revel M126Be (bookshelf, rated 4.3/5), the Revel F226Be (smaller floorstanding, ranked lower, rated 4.6/5), the Revel F228Be (smaller floorstanding, ranked lower, rated 4.5/5) and the Revel C426Be (center, rated 4/5).
Pros: CEA2034 spinorama shows a quite flat on-axis response with superb directivity and efficiency above 90dB. Predicted in-room response is extremely accurate, with a smooth ~5dB downward slope from bass to treble that suits typical rooms without correction. Early reflections sum very nicely with the direct sound. Horizontal beamwidth of about ±70 degrees is wide and quite smooth. At 96dB SPL/1m distortion stays easily below the reviewer’s audibility threshold across nearly the whole range. Measured bass extension of 74Hz (-3dB), with a measured sensitivity of 91dB.
Cons: Vertical directivity is asymmetric: the reviewer recommends staying between -20 and +40 degrees relative to the tweeter axis, reflecting the driver layout of this three-way tower. Impedance dips to a minimum of 3 ohms with an additional resonance-driven phase swing, calling for an amplifier comfortable with a demanding load. Very expensive and very heavy (51 kg each).
Full Revel F328Be review and specifications →
| Bass Extension (-10dB) | 39Hz (measured, Audio Science Review) |
|---|---|
| Bass Extension (-3dB) | 74Hz (measured, Audio Science Review) |
| DIY Kit | No |
| Dimensions | 50.9”H x 13.5”W x 17.6”D (1292.9 x 342.9 x 447 mm) |
| Drivers | Three 8” (200mm) Deep Ceramic Composite aluminum cones, with cast frames woofer, 5-1/4” (130mm) Deep Ceramic Composite aluminum cone, with cast frame midrange, 1” (25mm) Beryllium dome, with acoustic lens waveguide tweeter |
| Impedance | 8 ohms nominal (3 ohms minimum, measured by Audio Science Review) |
| Sensitivity | 91dB (measured, Audio Science Review) |
| Spinorama Preference Score | 6.40 |
| Spinorama Preference Score with Perfect Sub | 7.81 |
| Weight | 112.4 lbs (51 kg) each |
| Woofer Cabinet | ported, rear |
- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons
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