Short answer: the Ascend Acoustics Sierra Duo V2 Ribbon if sound quality matters most, the ELAC DBR62 if price matters most. The Ascend Acoustics Sierra Duo V2 Ribbon ranks #64 of 222 bookshelf speakers, rated 4.1/5, at $1,688. The ELAC DBR62 ranks #79, rated 4.0/5, at $699.98, $988.02 cheaper.
What the Ascend Acoustics Sierra Duo V2 Ribbon does well: A compact dual woofer bookshelf speaker with a ribbon tweeter, very consistent dispersion, and flexible vertical or horizontal mounting. The tradeoff: Bass measures 79.1Hz at -3dB, 64.5Hz at -6dB, and 43.9Hz at -12dB, and the 0.645dB on-axis average absolute deviation trails the Titan version’s 0.585dB.
The ELAC DBR62 is the more accurate, deeper-bass pick. An affordable bookshelf speaker that is very forgiving of placement and aiming, with wide sound and a little extra bass punch. Its measured preference score, a predictor of how neutral it sounds, is 5.07 against 4.53 for the Ascend Acoustics Sierra Duo V2 Ribbon. Its bass reaches about 53Hz before falling 3dB, against 79.1Hz for the Ascend Acoustics Sierra Duo V2 Ribbon. Watch for: A slight recess in the 1-2kHz region reduces vocal presence somewhat compared to other speakers in direct comparison.
Buy the Ascend Acoustics Sierra Duo V2 Ribbon if sound quality is the priority over the price, or the ELAC DBR62 if the price is the priority over sound quality.
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Specifications Side By Side
| Ascend Acoustics Sierra Duo V2 Ribbon | ELAC DBR62 | |
|---|---|---|
| Price | $1,688 per pair | $699.98 per pair |
| Ranked | #64 of 222 in Large Size Bookshelf Speakers | #79 of 222 in Large Size Bookshelf Speakers |
| Bass Extension (-3dB) | 79.1Hz (measured, spinorama.org) | 53Hz (measured, Erin’s Audio Corner) |
| Bass Extension (-10dB) | approximately 50Hz (measured, spinorama.org) | 41Hz (measured, Erin’s Audio Corner) |
| Drivers | Two 4.5-inch glass-fiber woofers; custom RAAL true ribbon tweeter | 6.5” Aramid Fiber woofer, 1” soft dome tweeter |
| Sensitivity | 86dB at 2.83V/1m anechoic | 84.3dB (measured average 300Hz-3kHz @ 2.83V/1m, Erin’s Audio Corner; 86dB manufacturer specified) |
| Impedance | 8 ohms nominal | 6 ohms nominal, 5.2 ohms minimum (measured above 80Hz, Erin’s Audio Corner) |
| Dimensions | 16.25 x 5.75 x 6 in each | 14.1”H x 8.2”W x 10.8”D (358.1 x 208.3 x 274.3 mm) |
| Weight | 12.3 lbs (5.6 kg) each | 18.1 lbs (8.2 kg) each |
| Spinorama Preference Score | 4.53 | 5.07 |
| Spinorama Preference Score with Perfect Sub | 7.15 | 7.27 |
| DIY Kit | No | No |
| Woofer Cabinet | - | ported, front |
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