Short answer: the Revel F328Be on measured sound quality, the Ascend Acoustics ELX Ribbon Tower on price. The Revel F328Be ranks #9 of 228 floorstanding speakers, rated 4.7/5, at $19,359.90. The Ascend Acoustics ELX Ribbon Tower ranks #12, rated 4.6/5, at $5,698, $13,661.90 cheaper.
The Ascend Acoustics ELX Ribbon Tower is the more accurate, deeper-bass option. Highly accurate three way bamboo towers with a ribbon tweeter, deep tight bass and a long warranty. Its measured preference score, a predictor of how neutral it sounds, is 6.97 against 6.40 for the Revel F328Be. Its bass reaches about 38.7Hz before falling 3dB, against 74Hz for the Revel F328Be. The catch: 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.
The case for the Revel F328Be: Extremely accurate floorstanding speakers, with a beryllium tweeter, wide even coverage and very low distortion at loud volume. The catch: 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 Ascend Acoustics ELX Ribbon Tower if the price matters more than sound quality. Buy the Revel F328Be if sound quality matters more than the price.
Looking for alternatives? See the complete Passive Home rankings.
Highly accurate three way bamboo towers with a ribbon tweeter, deep tight bass and a long warranty.
Extremely accurate floorstanding speakers, with a beryllium tweeter, wide even coverage and very low distortion at loud volume.
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Specifications Side By Side
| Ascend Acoustics ELX Ribbon Tower | Revel F328Be | |
|---|---|---|
| Price | $5,698 per pair | $19,359.90 per pair |
| Ranked | #12 of 228 in Large Size Floorstanding Speakers | #9 of 228 in Large Size Floorstanding Speakers |
| Enclosure | ported | - |
| Drivers | RAAL 70-20xram ribbon tweeter, 6” SEAS Excel Curv midrange (sealed sub-chamber), 2x 6” SEAS Excel aluminum woofers | 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 |
| Dimensions | 43”H x 7.5”W x 10.5”D (1092 x 190 x 267 mm) | 50.9”H x 13.5”W x 17.6”D (1292.9 x 342.9 x 447 mm) |
| Weight | 56 lbs (25.4 kg) each | 112.4 lbs (51 kg) each |
| Sensitivity | 87.5dB @ 2.83V/1m anechoic (manufacturer) | 91dB (measured, Audio Science Review) |
| Impedance | 8 ohms nominal | 8 ohms nominal (3 ohms minimum, measured by Audio Science Review) |
| Power Handling | 400W continuous, 600W peak | - |
| Frequency Response | 36-27,000Hz +/-3dB anechoic (manufacturer) | - |
| Bass Extension (-3dB) | 38.7Hz (measured, spinorama.org vendor data) | 74Hz (measured, Audio Science Review) |
| Bass Extension (-10dB) | 28.5Hz (measured, spinorama.org vendor data) | 39Hz (measured, Audio Science Review) |
| Warranty | 7 years parts and labor | - |
| Country | United States | - |
| Spinorama Preference Score | 6.97 | 6.40 |
| Spinorama Preference Score with Perfect Sub | 8.42 | 7.81 |
| DIY Kit | No | No |
| Woofer Cabinet | - | ported, rear |
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