Short answer: the Revel Concerta2 M16. It ranks #37 of 100 bookshelf speakers by sound quality at $600; the ELAC Uni-Fi Reference UBR62 ranks #41 and costs $1199, so there is not much of a tradeoff to weigh.
What the Revel Concerta2 M16 gets right: CEA2034 spinorama shows an on-axis response that’s essentially flat from 200Hz to 10kHz, with some bass boost around 100Hz. The catch: Harmonic distortion shows a notable peak around 80Hz and a sharp spike around 350Hz, plus the woofer appears to get a bit unhappy right before handing off to the tweeter.
What the ELAC Uni-Fi Reference UBR62 offers: True three-way stand-mount using a 1-inch tweeter concentrically mounted in a 4-inch aluminum midrange plus a dedicated 6.5-inch aluminum woofer. Watch for: Erin measured very low 83dB/2.83V/1m sensitivity; his 110W Parasound was insufficient for the high-level test and the more powerful HINT 6 was needed.
Buy the Revel Concerta2 M16. It ranks higher for sound quality than the ELAC Uni-Fi Reference UBR62 and costs less, so there is no real case for the other one.
Specifications Side By Side
| Revel Concerta2 M16 | ELAC Uni-Fi Reference UBR62 | |
|---|---|---|
| Price | about $600 used | $1,199/pair |
| Ranked | #37 of 100 in Large Size Bookshelf Speakers | #41 of 100 in Large Size Bookshelf Speakers |
| Drivers | 25mm tweeter + 165mm woofer | 1" tweeter coaxial with 4" midrange; 6.5" woofer |
| Weight | 32 lbs / 14.5 kg | - |
| Sensitivity | 86dB | 83dB/2.83V/1m (measured, Erin’s Audio Corner) |
| Impedance | 6 ohms | 4 ohms minimum near 50Hz (measured, Erin’s Audio Corner) |
| Dimensions | 14.8"H x 8.6"W x 10.8"D (374.7 x 218.4 x 273.3 mm) | 14.1"H x 8.2"W x 13.1"D |
| Woofer Cabinet | ported, rear | ported, dual front slot vents |
| Bass Extension (-3dB) | 60.1Hz (measured, Audio Science Review) | - |
| Bass Extension | - | 41Hz manufacturer specified; Erin’s response-linearity graph shows limited high-output bass headroom |
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- ELAC DBR62 vs SVS Ultra Bookshelf
- ELAC DBR62 vs Definitive Technology Demand D11
- KEF Q Concerto Meta vs ELAC DBR62
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- ELAC Uni-Fi Reference UBR62 vs ELAC DBR62
The Two Speakers In Full
Revel Concerta2 M16: about $600 used
Pros: CEA2034 spinorama shows an on-axis response that’s essentially flat from 200Hz to 10kHz, with some bass boost around 100Hz. Predicted in-room response is very nice, with just extra bass and a bit of roll-off above 20kHz - the reviewer calls it “nice!” Distortion is well controlled through most of the range at both test levels.
Cons: Harmonic distortion shows a notable peak around 80Hz and a sharp spike around 350Hz, plus the woofer appears to get a bit unhappy right before handing off to the tweeter. Cumulative spectral decay (waterfall) shows some lingering resonances in the 300Hz-1kHz region. The reviewer cautions not to over-cover the cabinet/grille area with thin fabric, as it can audibly affect the top-end response.
Full Revel Concerta2 M16 review and specifications →
| Bass Extension (-3dB) | 60.1Hz (measured, Audio Science Review) |
|---|---|
| Dimensions | 14.8"H x 8.6"W x 10.8"D (374.7 x 218.4 x 273.3 mm) |
| Drivers | 25mm tweeter + 165mm woofer |
| Impedance | 6 ohms |
| Sensitivity | 86dB |
| Weight | 32 lbs / 14.5 kg |
| Woofer Cabinet | ported, rear |
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- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons
- Revel Concerta2 M16 vs JBL HDI-1600
- Revel Concerta2 M16 vs ELAC DB63
- Revel Concerta2 M16 vs Emotiva Airmotiv XB2
- Revel Concerta2 M16 vs ELAC DBR62
- Revel Concerta2 M16 vs Yamaha NS-800A
- Revel Concerta2 M16 vs Definitive Technology Demand D11
- Revel Concerta2 M16 vs ELAC VELA BS 403
- Revel Concerta2 M16 vs Dynaudio Contour 20i
- See all 10 comparisons
ELAC Uni-Fi Reference UBR62: $1,199/pair Amazon
Pros: True three-way stand-mount using a 1-inch tweeter concentrically mounted in a 4-inch aluminum midrange plus a dedicated 6.5-inch aluminum woofer. Erin found the directivity and overall tonality well controlled, with dual front slot vents minimizing placement sensitivity and cabinet bracing suppressing obvious coloration. The mostly 5-ohm-or-higher load is manageable for a genuinely 4-ohm-capable amplifier, and the coherent concentric upper range supports stable imaging across seats.
Cons: Erin measured very low 83dB/2.83V/1m sensitivity; his 110W Parasound was insufficient for the high-level test and the more powerful HINT 6 was needed. Impedance reaches 4 ohms near 50Hz (Erin), while woofer excursion and bass output were less capable than expected for the cabinet size. A broad 500-700Hz rise and associated lower/female-vocal coloration were audible, and the slightly subdued listening-window treble is necessary to avoid an overly bright in-room balance rather than evidence of ruler-flat axial tuning.
Full ELAC Uni-Fi Reference UBR62 review and specifications →
| Bass Extension | 41Hz manufacturer specified; Erin's response-linearity graph shows limited high-output bass headroom |
|---|---|
| Dimensions | 14.1"H x 8.2"W x 13.1"D |
| Drivers | 1" tweeter coaxial with 4" midrange; 6.5" woofer |
| Impedance | 4 ohms minimum near 50Hz (measured, Erin's Audio Corner) |
| Sensitivity | 83dB/2.83V/1m (measured, Erin's Audio Corner) |
| Woofer Cabinet | ported, dual front slot vents |
As an eBay Partner, we may be compensated if you make a purchase.
- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons
- ELAC Uni-Fi Reference UBR62 vs ELAC DBR62
- ELAC Uni-Fi Reference UBR62 vs Power Sound Audio MT-110-M
- ELAC Uni-Fi Reference UBR62 vs Yamaha NS-800A
- ELAC Uni-Fi Reference UBR62 vs Definitive Technology Demand D11
- ELAC Uni-Fi Reference UBR62 vs Dynaudio Contour 20i
- ELAC Uni-Fi Reference UBR62 vs SVS Ultra Bookshelf
- ELAC Uni-Fi Reference UBR62 vs JBL HDI-1600
- ELAC Uni-Fi Reference UBR62 vs ELAC DB63
- See all 10 comparisons