Short answer: the MoFi SourcePoint 8. It ranks #17 of 203 bookshelf speakers by sound quality (rated 4.5/5) at $2,594 and is still sold new; the Revel Performa M22 ranks #151 (rated 3.3/5) and is discontinued, so it is only an option used.
What the Revel Performa M22 does well: Very flat frequency response from 200Hz to 10kHz. Watch for: 3dB bass boost around 100Hz.
The MoFi SourcePoint 8 is the better-sounding pick. 8” twin-drive concentric driver paired with a 1.25” soft dome tweeter, in a diffraction-reducing baffle design; rated 47Hz-30kHz. The tradeoff: Like other coincident designs, produces diffraction dips around 4kHz and 7kHz when pointed directly on-axis; needs about 10-15° of toe-out to smooth those out.
Buy the MoFi SourcePoint 8. It is rated higher for sound quality, and the Revel Performa M22 is discontinued, so it is only available used.
Looking for alternatives? See the complete Passive Home rankings.
Specifications Side By Side
| Revel Performa M22 | MoFi SourcePoint 8 | |
|---|---|---|
| Price | $600 per pair used (about), Discontinued | $2594 per pair |
| Ranked | #151 of 203 in Large Size Bookshelf Speakers | #17 of 203 in Large Size Bookshelf Speakers |
| Bass Extension (-10dB) | 37.1Hz (derived, log-interpolated between spinorama.org -9dB/-12dB points) | 43Hz (measured, Erin’s Audio Corner) |
| Bass Extension (-3dB) | 46.9Hz (measured, Audio Science Review) | 52Hz (measured, Erin’s Audio Corner) |
| Impedance | 4 ohms | 8 ohms nominal (8 ohms minimum above 80Hz, measured, Erin’s Audio Corner) |
| Sensitivity | 85dB | 86.3dB (measured, Erin’s Audio Corner) |
| Drivers | 25mm tweeter + 200mm woofer | 8” woofer, 1.25-inch soft-dome tweeter |
| Weight | 41.7 lbs (18.9 kg) | 28 lbs (12.7 kg) each |
| Dimensions | 14.5”H x 8.6”W x 11.9”D (368.3 x 219.1 x 301.6 mm) | 18”H x 11.4”W x 13.2”D (457.2 x 289.6 x 335.3 mm) |
| Woofer Cabinet | ported, rear | ported, rear |
| Spinorama Preference Score | 5.31 | 5.15 |
| Spinorama Preference Score with Perfect Sub | 7.26 | 7.28 |
| DIY Kit | No | No |
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The Two Speakers In Full
Revel Performa M22: $600 per pair used (about) Discontinued eBay
Same family: the Revel Performa C52 (center, rated 4/5).
Pros: Very flat frequency response from 200Hz to 10kHz. Distortion is well controlled through most of the range, with only a modest crossover-region bump around 2-4kHz. Measured bass extension of 46.9Hz (-3dB).
Cons: 3dB bass boost around 100Hz. On-axis response also droops below 150Hz and peaks above 4kHz, which the reviewer thought may sound a bit bright/light. Distortion rises substantially below 100Hz when driven hard. Discontinued.
Full Revel Performa M22 review and specifications →
| Bass Extension (-10dB) | 37.1Hz (derived, log-interpolated between spinorama.org -9dB/-12dB points) |
|---|---|
| Bass Extension (-3dB) | 46.9Hz (measured, Audio Science Review) |
| DIY Kit | No |
| Dimensions | 14.5”H x 8.6”W x 11.9”D (368.3 x 219.1 x 301.6 mm) |
| Drivers | 25mm tweeter + 200mm woofer |
| Impedance | 4 ohms |
| Sensitivity | 85dB |
| Spinorama Preference Score | 5.31 |
| Spinorama Preference Score with Perfect Sub | 7.26 |
| Weight | 41.7 lbs (18.9 kg) |
| Woofer Cabinet | ported, rear |
- Reviews, Comparisons and Sound Samples
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MoFi SourcePoint 8: $2594 per pair Crutchfield eBay
Same family: the MoFi SourcePoint 10 (larger bookshelf, ranked lower, rated 4.4/5) and the MoFi SourcePoint 888 (floorstanding, rated 4.7/5).
Pros: 8” twin-drive concentric driver paired with a 1.25” soft dome tweeter, in a diffraction-reducing baffle design; rated 47Hz-30kHz. Notably more neutral and true-to-source than its sibling SourcePoint 10, which the reviewer found a bit too bright in the treble by comparison: measured about 4-5dB less high-frequency output. Excellent imaging: passed multiple stereo-panning and depth tests, including smooth continuous left-to-right pans without wobble and correct front-to-back layering of vocals versus percussion. Wide horizontal dispersion of about ±60°, broader than the reviewer expected from a coaxial design, and forgiving enough in placement that about 10° of toe-out variance and moving above or below the tweeter axis both still sound good. Excellent dynamic range and compression linearity: about 26dB of headroom up to 102dB/1m equivalent, with issues only appearing below about 60Hz. 8-ohm nominal impedance made it easy to drive on everything from a budget Denon AVR to a high-end Macintosh amplifier. No significant evidence of woofer-cone modulation distortion affecting the tweeter, even at 96dB/1m. Measured bass extension of 52Hz (-3dB), with a measured sensitivity of 86.3dB.
Cons: Like other coincident designs, produces diffraction dips around 4kHz and 7kHz when pointed directly on-axis; needs about 10-15° of toe-out to smooth those out. The rear-ported cabinet (two ports) means it can’t be placed too close to a wall without the bass becoming overblown: the reviewer settled on about 2 feet of clearance. F3 of 52Hz and F10 of 43Hz mean genuine deep bass tops out in the mid-40s Hz in-room: a subwoofer is still needed for true low-end extension. Harmonic distortion crosses the reviewer’s 3% threshold at 96dB (though it’s second-order and less audibly significant), and multitone distortion becomes noticeably more audible at that same output level. Vertical response doesn’t perfectly mirror horizontal, since the cabinet is a rectangle rather than a perfect square around the driver.
Full MoFi SourcePoint 8 review and specifications →
| Bass Extension (-10dB) | 43Hz (measured, Erin’s Audio Corner) |
|---|---|
| Bass Extension (-3dB) | 52Hz (measured, Erin’s Audio Corner) |
| DIY Kit | No |
| Dimensions | 18”H x 11.4”W x 13.2”D (457.2 x 289.6 x 335.3 mm) |
| Drivers | 8” woofer, 1.25-inch soft-dome tweeter |
| Impedance | 8 ohms nominal (8 ohms minimum above 80Hz, measured, Erin’s Audio Corner) |
| Sensitivity | 86.3dB (measured, Erin’s Audio Corner) |
| Spinorama Preference Score | 5.15 |
| Spinorama Preference Score with Perfect Sub | 7.28 |
| Weight | 28 lbs (12.7 kg) each |
| Woofer Cabinet | ported, rear |
- Links
- Reviews, Comparisons and Sound Samples
- Erin’s Audio Corner: Why Do People Love the MoFi SourcePoint 8? More from Erin’s Audio Corner →
- Erin’s Audio Corner Website MoFi SourcePoint 8
- Erin’s Audio Corner: Upgrade Your Sound with These 6 Surprisingly Affordable Speakers!
- Erin’s Audio Corner: My Personal Favorite Speakers Under $2500
- Erin’s Audio Corner: My Top Picks of 2023: Must-Haves Under $3000
- GR-Research: Danny Tackles Andrews Jones: The Source Point 8! Spoiler Alert (It’s Really Good) More from GR-Research →
- Erin’s Audio Corner Measurements (spinorama.org)
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