Short answer: the Ascend Acoustics ELX Ribbon Tower. It ranks #12 of 228 floorstanding speakers by sound quality, rated 4.6/5, at $5,698. The KEF Q11 Meta ranks #124, rated 4.0/5, at $2,499.98, $3,198.02 cheaper, which does not close the gap in sound quality.
What the KEF Q11 Meta does well: A three-way tower with a coaxial driver that sounds smooth and balanced in a typical room, even when angled well off the listener. The catch: Genuinely dark-sounding on raw on-axis measurement, and needs a typical room with sidewall reflections (within about 6 feet/2 meters) to sound properly neutral: in a large room with little sidewall interaction, it may sound too dull for some listeners.
The Ascend Acoustics ELX Ribbon Tower is the better-sounding, deeper-bass option. Highly accurate three way bamboo towers with a ribbon tweeter, deep tight bass and a long warranty. Its bass reaches about 38.7Hz before falling 3dB, against 60Hz for the KEF Q11 Meta. The tradeoff: Listening window smoothness measures a moderate 0.40 and on axis deviation runs 0.286dB average, both trailing the tighter figures posted by some smaller passive AsciLab and Ascend bookshelf models.
Buy the Ascend Acoustics ELX Ribbon Tower. It is rated higher for sound quality, and saving $3,198.02 with the KEF Q11 Meta does not make up for the sound-quality gap.
Still deciding? The full Passive Home rankings cover every ranked option.
A three-way tower with a coaxial driver that sounds smooth and balanced in a typical room, even when angled well off the listener.
Highly accurate three way bamboo towers with a ribbon tweeter, deep tight bass and a long warranty.
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Specifications Side By Side
| KEF Q11 Meta | Ascend Acoustics ELX Ribbon Tower | |
|---|---|---|
| Price | $2,499.98 per pair | $5,698 per pair |
| Ranked | #124 of 228 in Large Size Floorstanding Speakers | #12 of 228 in Large Size Floorstanding Speakers |
| Bass Extension (-10dB) | 29Hz (measured, Erin’s Audio Corner) | 28.5Hz (measured, spinorama.org vendor data) |
| Bass Extension (-3dB) | 60Hz (measured, Erin’s Audio Corner) | 38.7Hz (measured, spinorama.org vendor data) |
| Drivers | 25mm tweeter + dual 165mm drivers | RAAL 70-20xram ribbon tweeter, 6” SEAS Excel Curv midrange (sealed sub-chamber), 2x 6” SEAS Excel aluminum woofers |
| Weight | 106.9 lbs (48.5 kg) | 56 lbs (25.4 kg) each |
| Sensitivity | 88.6dB (measured, Erin’s Audio Corner) | 87.5dB @ 2.83V/1m anechoic (manufacturer) |
| Impedance | 4 ohms nominal (3.2 ohms minimum, measured, Erin’s Audio Corner) | 8 ohms nominal |
| Dimensions | 43.8”H x 12.5”W x 15”D (1112.8 x 317.5 x 381.0 mm) | 43”H x 7.5”W x 10.5”D (1092 x 190 x 267 mm) |
| Woofer Cabinet | ported, rear | - |
| Spinorama Preference Score | 6.72 | 6.97 |
| Spinorama Preference Score with Perfect Sub | 8.03 | 8.42 |
| DIY Kit | No | No |
| Enclosure | - | ported |
| Power Handling | - | 400W continuous, 600W peak |
| Frequency Response | - | 36-27,000Hz +/-3dB anechoic (manufacturer) |
| Warranty | - | 7 years parts and labor |
| Country | - | United States |
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