Short answer: the Radiant Acoustics Clarity 6.2 for setup flexibility, the Revel M126Be for a proven pedigree. The Clarity 6.2 pairs a custom AMT tweeter with a 6.5” Purifi Eikona midrange and dual Purifi passive radiators, but it needs about 15-20 degrees of toe-out and roughly 2 feet to sound its best. The M126Be is the smaller sibling to the reviewer’s favorite F226Be, though at its price it is not a strong value.
The case for the Radiant Acoustics Clarity 6.2: Custom AMT (Air Motion Transformer) tweeter paired with a 6.5” Purifi Eikona midrange and dual Purifi passive radiators. The tradeoff: Needs a fairly specific setup to sound its best: about 15-20° of toe-out (per the manufacturer’s own recommendation) and roughly 2 feet.
What the Revel M126Be gets right: Two-way design pairing a 6.5” midwoofer with a 1” beryllium dome tweeter, the smaller sibling to the reviewer’s favorite Revel F226Be. Set against that: At $4,400/pair, the reviewer doesn’t consider it a strong value - an improvement over Revel’s less expensive M106 and Performa3 models.
Buy the Radiant Acoustics Clarity 6.2 if sound quality matters more than the price. Buy the Revel M126Be if the price matters more than sound quality.
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Specifications Side By Side
| Radiant Acoustics Clarity 6.2 | Revel M126Be | |
|---|---|---|
| Price | $4500 per pair | $1899 per pair |
| Ranked | #27 of 130 in Large Size Bookshelf Speakers | #34 of 130 in Large Size Bookshelf Speakers |
| Bass Extension (-10dB) | 32Hz (measured, Erin's Audio Corner) | 44Hz (measured, Erin's Audio Corner) |
| Bass Extension (-3dB) | 55Hz (measured, Erin's Audio Corner) | 103Hz (measured, Erin's Audio Corner) |
| Dimensions | 14.3"H x 8.7"W x 10.5"D (363.2 x 221 x 266.7 mm) | 15.2"H x 8.3"W x 10.3"D (386.1 x 210.8 x 261.6 mm) |
| Impedance | 4 ohms nominal (2.1 ohms minimum above 80Hz, measured, Erin's Audio Corner) | 6 ohms nominal (4.9 ohms minimum, measured, Erin's Audio Corner) |
| Sensitivity | 84.3dB (measured, Erin's Audio Corner) | 86.1dB (measured, Erin's Audio Corner) |
| Drivers | 6.5" PURIFI USHINDI woofer, Custom AMT (Air Motion Transformer) tweeter | 6.5" Deep Ceramic Composite (DCC) Aluminum Cone with cast frame woofer, 1" Beryllium dome with acoustic lens waveguide tweeter |
| Weight | 23.8 lbs (10.8 kg) each | 22 lbs (10.0 kg) each |
| Woofer Cabinet | passive radiator | ported, rear |
| Spinorama Preference Score | 5.97 | 5.08 |
| Spinorama Preference Score with Perfect Sub | 7.75 | 7.34 |
| DIY Kit | No | No |
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The Two Speakers In Full
Radiant Acoustics Clarity 6.2: $4500 per pair Radiantacoustics eBay
Pros: Custom AMT (Air Motion Transformer) tweeter paired with a 6.5” Purifi Eikona midrange and dual Purifi passive radiators in a passive-radiator enclosure, crossed over at 2.4kHz. Rigid cabinet construction (21mm MDF with a 15mm aluminum front baffle, extensive internal bracing) helps keep resonance in check. A deliberately rising on-axis response paired with narrowing directivity above about 2kHz yields a genuinely linear, non-fatiguing in-room sound rather than the “fake detail” of speakers with a straight treble boost. Excellent pair matching between units (within about 1dB), contributing to precise, well-focused imaging that clearly separated fine details in test tracks. In-room bass extension reaches a solid 40Hz with real kick-drum authority, not just sub-bass rumble. Class-leading dynamic range and compression performance - among the best the reviewer has measured at this price point. Measured bass extension of 55Hz (-3dB), with a measured sensitivity of 84.3dB.
Cons: Needs a fairly specific setup to sound its best: about 15-20° of toe-out (per the manufacturer’s own recommendation) and roughly 2 feet from the rear wall; pointed straight on-axis, the treble reads as noticeably elevated. Low impedance (2.1-ohm minimum, about 1-ohm minimum EPDR) demands an amplifier genuinely comfortable with 4-ohm-and-below loads. Soundstage width narrows above about 5kHz, even though the AMT tweeter itself is capable of wider dispersion. An unexplained resonance appears in harmonic distortion measurements on both units tested (though not on the reviewer’s reference speaker) - possibly a basket resonance, and not something the reviewer could hear. A minor bump around 500Hz in the estimated in-room response could add a touch of boxiness for some listeners, though the reviewer didn’t personally notice it. F3 of 55Hz and F10 of 32Hz mean a subwoofer is still needed for home-theater rumble or bass-heavy genres like rap.
Full Radiant Acoustics Clarity 6.2 review and specifications →
| Bass Extension (-10dB) | 32Hz (measured, Erin's Audio Corner) |
|---|---|
| Bass Extension (-3dB) | 55Hz (measured, Erin's Audio Corner) |
| DIY Kit | No |
| Dimensions | 14.3"H x 8.7"W x 10.5"D (363.2 x 221 x 266.7 mm) |
| Drivers | 6.5" PURIFI USHINDI woofer, Custom AMT (Air Motion Transformer) tweeter |
| Impedance | 4 ohms nominal (2.1 ohms minimum above 80Hz, measured, Erin's Audio Corner) |
| Sensitivity | 84.3dB (measured, Erin's Audio Corner) |
| Spinorama Preference Score | 5.97 |
| Spinorama Preference Score with Perfect Sub | 7.75 |
| Weight | 23.8 lbs (10.8 kg) each |
| Woofer Cabinet | passive radiator |
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Revel M126Be: $1899 per pair Crutchfield eBay
Pros: Two-way design pairing a 6.5” midwoofer with a 1” beryllium dome tweeter, the smaller sibling to the reviewer’s favorite Revel F226Be. Wide, immersive stereo imaging - hard-panned sounds in test tracks localized 2-3 feet outside the physical speaker positions without losing pinpoint precision. Horizontal radiation of about 60-70°, landing right in the reviewer’s preferred range for an enveloping yet still well-focused soundstage. Extended bass-shelf tuning (similar in concept to the KEF R3 Meta) combines with in-room gain for a more linear low end rather than a boomy hump. Diffraction dips visible on-axis around 3kHz and 7kHz largely disappear in the estimated in-room response, since they fill in as you move off-axis. Distortion stays within 3% down to about 100Hz at both 86dB and 96dB output - strong performance for a 6.5” bookshelf woofer. Can be driven by a standard AVR thanks to a manageable 4.9-ohm minimum impedance. Measured bass extension of 103Hz (-3dB), with a measured sensitivity of 86.1dB.
Cons: At $1899/pair, the reviewer doesn’t consider it a strong value - an improvement over Revel’s less expensive M106 and Performa3 models, but not proportional to the price jump. Bass tops out around 50Hz in-room; a subwoofer is still needed for real low-end extension. Vertical placement is fairly critical - there’s a notable hole in the response around the 1.7kHz crossover if you sit above the tweeter axis. Toeing the speaker out to a full 30° introduces a roughly 1dB discontinuity in the midrange along with high-frequency rolloff; the reviewer recommends staying close to on-axis or within about 10°. An unexplained jump in distortion appears right at the 1.7kHz crossover point under compression testing, which may be linked to an occasional “glaring” quality the reviewer noticed in the 2-3kHz region at very high volumes (92-93dB from 2 meters). A mild 2-3kHz forwardness occasionally stood out on some tracks, correctable with about 1dB of EQ, though the reviewer considers it minor.
Full Revel M126Be review and specifications →
| Bass Extension (-10dB) | 44Hz (measured, Erin's Audio Corner) |
|---|---|
| Bass Extension (-3dB) | 103Hz (measured, Erin's Audio Corner) |
| DIY Kit | No |
| Dimensions | 15.2"H x 8.3"W x 10.3"D (386.1 x 210.8 x 261.6 mm) |
| Drivers | 6.5" Deep Ceramic Composite (DCC) Aluminum Cone with cast frame woofer, 1" Beryllium dome with acoustic lens waveguide tweeter |
| Impedance | 6 ohms nominal (4.9 ohms minimum, measured, Erin's Audio Corner) |
| Sensitivity | 86.1dB (measured, Erin's Audio Corner) |
| Spinorama Preference Score | 5.08 |
| Spinorama Preference Score with Perfect Sub | 7.34 |
| Weight | 22 lbs (10.0 kg) each |
| Woofer Cabinet | ported, rear |
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- Reviews, Comparisons and Sound Samples
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