Short answer: the Revel M106. It ranks #9 of 131 bookshelf speakers by sound quality (rated 4.6/5); the Revel Concerta2 M16 ranks #51 (rated 4.1/5).
The case for the Revel M106: CEA2034 spinorama shows a fairly even on-axis response with no obvious resonances, and a listening window that sits comfortably above the on-axis curve. Watch for: Some directivity error and response variation shows up in the crossover region.
What the Revel Concerta2 M16 does well: CEA2034 spinorama shows an on-axis response that’s essentially flat from 200Hz to 10kHz, with some bass boost around 100Hz. The tradeoff: Harmonic distortion shows a notable peak around 80Hz and a sharp spike around 350Hz, plus the woofer appears to get a bit unhappy right before handing off to the tweeter.
One note: the Revel M106 is discontinued, but it still ranks #9 of 131 bookshelf speakers by sound quality, ahead of most of what is still sold new, so it is worth considering used.
Buy the Revel M106. It is rated higher for sound quality than the Revel Concerta2 M16.
Still deciding? The full Passive Home rankings cover every ranked option.
Specifications Side By Side
| Revel M106 | Revel Concerta2 M16 | |
|---|---|---|
| Price | Discontinued | $600 per pair used (about), Discontinued |
| Ranked | #9 of 131 in Large Size Bookshelf Speakers | #51 of 131 in Large Size Bookshelf Speakers |
| Bass Extension (-10dB) | 43Hz (measured, Audio Science Review) | 41.6Hz (measured, Audio Science Review) |
| Bass Extension (-3dB) | 60Hz (measured, Audio Science Review) | 60.1Hz (measured, Audio Science Review) |
| Impedance | 4 ohms | 6 ohms |
| Sensitivity | 86dB (measured, Audio Science Review) | 86dB |
| Drivers | 6.5” (16.5 cm) Aluminum Cone, Cast-frame Woofer, 1” (2.5 cm) Aluminum Tweeter with Acoustic Lens Waveguide | 25mm tweeter + 165mm woofer |
| Weight | 9.9 lbs (4.5 kg) | 32 lbs (14.5 kg) |
| Dimensions | 15”H x 8.3”W x 11”D (381.0 x 210.8 x 279.4 mm) | 14.8”H x 8.6”W x 10.8”D (374.7 x 218.4 x 273.3 mm) |
| Woofer Cabinet | ported, rear | ported, rear |
| Spinorama Preference Score | 5.62 | 5.06 |
| Spinorama Preference Score with Perfect Sub | 7.87 | 7.28 |
| DIY Kit | No | No |
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The Two Speakers In Full
Revel M106 Discontinued eBay
Newer model: the Revel M126Be, ranked lower, rated 4.3/5.
Pros: CEA2034 spinorama shows a fairly even on-axis response with no obvious resonances, and a listening window that sits comfortably above the on-axis curve. Predicted in-room response is called “near ideal” by the reviewer, with a smooth downward slope from bass to treble. Distortion at 96dB SPL/1m stays well controlled through the midrange and treble. Measured bass extension of 60Hz (-3dB), with a measured sensitivity of 86dB.
Cons: Some directivity error and response variation shows up in the crossover region. Horizontal beamwidth of about ±50 degrees is on the narrower side. Vertical directivity requires staying within about ±20 degrees of the reference axis for accurate tonal balance. Minimum impedance dips to 4.6 ohms with several peaks, a moderately demanding load for a compact bookshelf speaker. Discontinued.
Full Revel M106 review and specifications →
| Bass Extension (-10dB) | 43Hz (measured, Audio Science Review) |
|---|---|
| Bass Extension (-3dB) | 60Hz (measured, Audio Science Review) |
| DIY Kit | No |
| Dimensions | 15”H x 8.3”W x 11”D (381.0 x 210.8 x 279.4 mm) |
| Drivers | 6.5” (16.5 cm) Aluminum Cone, Cast-frame Woofer, 1” (2.5 cm) Aluminum Tweeter with Acoustic Lens Waveguide |
| Impedance | 4 ohms |
| Sensitivity | 86dB (measured, Audio Science Review) |
| Spinorama Preference Score | 5.62 |
| Spinorama Preference Score with Perfect Sub | 7.87 |
| Weight | 9.9 lbs (4.5 kg) |
| Woofer Cabinet | ported, rear |
- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons
Revel Concerta2 M16: $600 per pair used (about) Discontinued eBay
Pros: CEA2034 spinorama shows an on-axis response that’s essentially flat from 200Hz to 10kHz, with some bass boost around 100Hz. Predicted in-room response is very nice, with just extra bass and a bit of roll-off above 20kHz: the reviewer calls it “nice!” Distortion is well controlled through most of the range at both test levels. Measured bass extension of 60.1Hz (-3dB).
Cons: Harmonic distortion shows a notable peak around 80Hz and a sharp spike around 350Hz, plus the woofer appears to get a bit unhappy right before handing off to the tweeter. Cumulative spectral decay (waterfall) shows some lingering resonances in the 300Hz-1kHz region. The reviewer cautions not to over-cover the cabinet/grille area with thin fabric, as it can audibly affect the top-end response. Discontinued.
Full Revel Concerta2 M16 review and specifications →
| Bass Extension (-10dB) | 41.6Hz (measured, Audio Science Review) |
|---|---|
| Bass Extension (-3dB) | 60.1Hz (measured, Audio Science Review) |
| DIY Kit | No |
| Dimensions | 14.8”H x 8.6”W x 10.8”D (374.7 x 218.4 x 273.3 mm) |
| Drivers | 25mm tweeter + 165mm woofer |
| Impedance | 6 ohms |
| Sensitivity | 86dB |
| Spinorama Preference Score | 5.06 |
| Spinorama Preference Score with Perfect Sub | 7.28 |
| Weight | 32 lbs (14.5 kg) |
| Woofer Cabinet | ported, rear |
- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons
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- Revel Concerta2 M16 vs Technics SB-C700
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