Short answer: the Revel F228Be. It ranks #28 of 188 floorstanding speakers by sound quality (rated 4.5/5) at $11,000 and is still sold new; the Infinity Primus 360 ranks #77 (rated 4.2/5) and is discontinued, so it is only an option used.
The Revel F228Be is the more accurate choice. CEA2034 spinorama shows an essentially flat on-axis response with very nice directivity. Its measured preference score, a predictor of how neutral it sounds, is 6.01 against 4.97 for the Infinity Primus 360. The tradeoff: Minimum impedance dips to 3.4 ohms with a secondary rise around 2kHz, calling for an amplifier comfortable with a demanding load.
The Infinity Primus 360 is the deeper-bass pick. Its bass reaches about 53Hz before falling 3dB, against 61Hz for the Revel F228Be. The tradeoff: Manufacturer-spec sensitivity of 93dB runs about 3-4dB optimistic versus the measured 89.4dB average.
Buy the Revel F228Be. It is rated higher for sound quality; the Infinity Primus 360 is no longer sold new.
Still deciding? The full Passive Home rankings cover every ranked option.
Specifications Side By Side
| Revel F228Be | Infinity Primus 360 | |
|---|---|---|
| Price | $11,000 per pair | $650 per pair Discontinued |
| Ranked | #28 of 188 in Large Size Floorstanding Speakers | #77 of 188 in Large Size Floorstanding Speakers |
| Bass Extension (-10dB) | 25Hz (measured, Audio Science Review) | 37Hz (measured, Erin’s Audio Corner) |
| Bass Extension (-3dB) | 61Hz (measured, Audio Science Review) | 53Hz (measured, Erin’s Audio Corner) |
| Dimensions | 50.9”H x 13.5”W x 17.6”D (1292.9 x 342.9 x 447 mm) | 39” x 8.2” x 13” (990 x 208 x 330 mm) |
| Impedance | 8 ohms | 8 ohms nominal, 3.5 ohms minimum (measured, Erin’s Audio Corner) |
| Drivers | Dual 8” (200mm) Deep Ceramic Composite aluminum cones, with cast frames woofers, 5-1/4” (130mm) Deep Ceramic Composite aluminum cone, with cast frame midrange, 1” (25mm) Beryllium dome, with acoustic lens waveguide tweeter | Two 6.5” mid-woofers, 4” mid-range, 0.75” dome tweeter |
| Sensitivity | 89.3dB (300Hz-3kHz @ 2.83V/1m, measured by Audio Science Review; 90dB manufacturer specified) | 89.4dB (measured, Erin’s Audio Corner; 93dB manufacturer specified) |
| Weight | 112.4 lbs (51 kg) each | 48.5 lbs (22 kg) each |
| Woofer Cabinet | ported, front | - |
| Spinorama Preference Score | 6.01 | 4.97 |
| Spinorama Preference Score with Perfect Sub | 7.51 | 7.10 |
| DIY Kit | No | No |
| Frequency Response | - | 38Hz - 20kHz (±3dB, Manufacturer specified) |
| Crossover Frequency | - | 350Hz & 3.3kHz, 24dB/octave |
| Recommended Power | - | 10-200W |
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The Two Speakers In Full
Revel F228Be: $11,000 per pair Crutchfield eBay
Older model: the Revel F208 (ranked higher, rated 4.5/5).
Same family: the Revel M126Be (bookshelf, rated 4.3/5), the Revel F226Be (smaller floorstanding, ranked higher, rated 4.6/5), the Revel F328Be (larger floorstanding, ranked higher, rated 4.7/5) and the Revel C426Be (center, rated 4/5).
Pros: CEA2034 spinorama shows an essentially flat on-axis response with very nice directivity. Predicted in-room response is nearly perfect, with a smooth slope down from bass to treble. Horizontal beamwidth of about ±70 degrees is wide and holds up well until narrowing above 8kHz. Vertical directivity offers more degrees of listening-height freedom than a typical bookshelf design, a benefit of this tower’s driver layout. Distortion is extremely low across the full audio range at 86dB SPL/1m and stays comfortable even at 96dB SPL/1m. Near-field measurements of the individual drivers show nice, well-integrated crossover behavior with only low-level resonances. Measured bass extension of 61Hz (-3dB), with a measured sensitivity of 89.3dB.
Cons: Minimum impedance dips to 3.4 ohms with a secondary rise around 2kHz, calling for an amplifier comfortable with a demanding load. Very expensive and very heavy (51 kg each).
Full Revel F228Be review and specifications →
| Bass Extension (-10dB) | 25Hz (measured, Audio Science Review) |
|---|---|
| Bass Extension (-3dB) | 61Hz (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 | Dual 8” (200mm) Deep Ceramic Composite aluminum cones, with cast frames woofers, 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 |
| Sensitivity | 89.3dB (300Hz-3kHz @ 2.83V/1m, measured by Audio Science Review; 90dB manufacturer specified) |
| Spinorama Preference Score | 6.01 |
| Spinorama Preference Score with Perfect Sub | 7.51 |
| Weight | 112.4 lbs (51 kg) each |
| Woofer Cabinet | ported, front |
- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons
Infinity Primus 360: $650 per pair Discontinued eBay
Same family: the Infinity Primus 150 (bookshelf, rated 3.4/5).
Pros: A three-way tower from 2005 (two 6.5” mid-woofers, a 4” mid-range, and a 0.75” dome tweeter, 8 ohms nominal) that holds up remarkably well by modern measurement standards: on-axis linearity is within about ±2dB, and the listening window stays consistent out to roughly ±30° horizontal and ±10° vertical off the mid-range axis. Horizontal directivity is well controlled out to about ±75° before tonality starts to drift, meaning the reflected sound in a room stays close in character to the direct sound: a speaker that takes EQ well without fighting itself. Harmonic distortion measures low at both 86dB and 96dB, and multitone distortion stays under the reviewer’s 3% threshold. Silky, smooth midrange with a rich lower-midrange/upper-bass character. No mechanical issues or surround degradation found in a 20-year-old pair, and a second unit measured within about 1-1.5dB of the first, suggesting good long-term consistency for the design. Measured bass extension of 53Hz (-3dB), with a measured sensitivity of 89.4dB.
Cons: Manufacturer-spec sensitivity of 93dB runs about 3-4dB optimistic versus the measured 89.4dB average. Bass output drops off fairly quickly below about 50Hz in-room (F3 53Hz, F10 37Hz), so a subwoofer is needed for real low-end extension. Resonances show up around 170Hz, 220Hz, and 350Hz. On-axis, the lower treble can sound a bit bright or sibilant when the speaker is aimed directly at the listener; toeing out about 10-15° (rather than the more extreme 30°) gave the best balance, and some sidewall acoustic absorption further tamed a 4-5kHz peak. Placed close to the rear wall, bass gets boomy: pulling the speakers out about a foot resolves most of it, with roughly 1.5 feet from the wall as a good compromise between bass character and typical room aesthetics. Straying beyond about 25° above or below the mid-range axis introduces audible suckout. No longer in production, so it’s a used/secondhand purchase only.
Full Infinity Primus 360 review and specifications →
| Bass Extension (-10dB) | 37Hz (measured, Erin’s Audio Corner) |
|---|---|
| Bass Extension (-3dB) | 53Hz (measured, Erin’s Audio Corner) |
| Crossover Frequency | 350Hz & 3.3kHz, 24dB/octave |
| DIY Kit | No |
| Dimensions | 39” x 8.2” x 13” (990 x 208 x 330 mm) |
| Drivers | Two 6.5” mid-woofers, 4” mid-range, 0.75” dome tweeter |
| Frequency Response | 38Hz - 20kHz (±3dB, Manufacturer specified) |
| Impedance | 8 ohms nominal, 3.5 ohms minimum (measured, Erin’s Audio Corner) |
| Recommended Power | 10-200W |
| Sensitivity | 89.4dB (measured, Erin’s Audio Corner; 93dB manufacturer specified) |
| Spinorama Preference Score | 4.97 |
| Spinorama Preference Score with Perfect Sub | 7.10 |
| Weight | 48.5 lbs (22 kg) each |
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