Short answer: the MoFi SourcePoint 10, and it is the higher-ranked speaker. It sits at #26 of 130 against #83 of 130 for the GR-Research X-LS Encore. The SourcePoint 10’s Andrew Jones-designed concentric driver delivers best-in-class sound power and early-reflections directivity, though it sounds notably bright pointed directly on-axis; the X-LS Encore is cheaper but uneven in the bass on-axis.
The case for the GR-Research X-LS Encore: An amazing value, especially if you managed to snag one of these built by AV123 in the early 2000s for $200-300. CEA2034 spinorama shows. The catch: A slight depression in the upper bass and some peaking in the lower bass shows up on-axis.
What the MoFi SourcePoint 10 gets right: Andrew Jones-designed concentric/coincident driver delivers best-in-class sound power and early-reflections directivity in the reviewer’s. The catch: Like virtually all coincident designs, sounds notably bright pointed directly on-axis due to a deliberate treble lift (meant to compensate.
Buy the MoFi SourcePoint 10. It is rated higher for sound quality, and the $2495 you would save on the GR-Research X-LS Encore does not close the gap.
Looking for alternatives? See the complete Passive Home rankings.
Specifications Side By Side
| GR-Research X-LS Encore | MoFi SourcePoint 10 | |
|---|---|---|
| Price | $1300 per pair | $3795 per pair |
| Ranked | #83 of 130 in Large Size Bookshelf Speakers | #26 of 130 in Large Size Bookshelf Speakers |
| Bass Extension (-10dB) | 44Hz (measured, Audio Science Review) | 38Hz (measured, Erin's Audio Corner) |
| Bass Extension (-3dB) | 64Hz (measured, Audio Science Review) | 56Hz (measured, Erin's Audio Corner) |
| Dimensions | 13.5"H x 8.5"W x 12.1"D (342.9 x 215.9 x 308 mm) | 22.5"H x 14.5"W x 16.6"D (571.5 x 368.3 x 421.6 mm) |
| Impedance | 8 ohms | 8 ohms nominal, 6.4 ohms minimum (measured, Erin's Audio Corner) |
| Sensitivity | 84.4dB (measured by Audio Science Review; 87dB manufacturer specified) | 88.2dB (measured, Erin's Audio Corner) |
| Drivers | 6.5" Peerless M-165 paper composite cone, non-resonant polymer frame woofer, 1" Peerless India T26SG tweeter | 10" Paper-pulp Cone woofer, 1.25-inch soft-dome tweeter |
| Weight | 17 lbs (7.7 kg) each | 46.3 lbs (21.0 kg) each |
| Woofer Cabinet | ported | ported, rear |
| Spinorama Preference Score | 5.05 (measured, spinorama.org) | 4.16 |
| Spinorama Preference Score with Perfect Sub | 7.42 (measured, spinorama.org) | 6.17 |
| DIY Kit | Yes | No |
Related Speaker Comparisons
How MoFi SourcePoint 10 compares with other leading options:
- MoFi SourcePoint 10 vs Perlisten S4b
- KEF Reference 1 Meta vs MoFi SourcePoint 10
- GR-Research NX-Studio vs MoFi SourcePoint 10
- AsciLab C6B vs MoFi SourcePoint 10
- Audio First Cadentia 3 vs MoFi SourcePoint 10
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The Two Speakers In Full
GR-Research X-LS Encore: $1300 per pair Gr-research eBay
Pros: An amazing value, especially if you managed to snag one of these built by AV123 in the early 2000s for $200-300. CEA2034 spinorama shows a generally flat on-axis response, especially in the listening window. Predicted in-room response is generally smooth and on-target. Distortion at 86dB SPL/1m is pretty clean above 200Hz. Measured bass extension of 64Hz (-3dB), with a measured sensitivity of 84.4dB.
Cons: A slight depression in the upper bass and some peaking in the lower bass shows up on-axis, along with directivity error in the crossover region. Vertical directivity requires staying within about 20 degrees of the tweeter axis. At 96dB SPL/1m distortion becomes “rather unhappy,” with bass distortion, a possible woofer issue around 2kHz, and a tweeter problem above 7kHz. As a DIY kit, it requires building the cabinet and crossover yourself.
Full GR-Research X-LS Encore review and specifications →
| Bass Extension (-10dB) | 44Hz (measured, Audio Science Review) |
|---|---|
| Bass Extension (-3dB) | 64Hz (measured, Audio Science Review) |
| DIY Kit | Yes |
| Dimensions | 13.5"H x 8.5"W x 12.1"D (342.9 x 215.9 x 308 mm) |
| Drivers | 6.5" Peerless M-165 paper composite cone, non-resonant polymer frame woofer, 1" Peerless India T26SG tweeter |
| Impedance | 8 ohms |
| Sensitivity | 84.4dB (measured by Audio Science Review; 87dB manufacturer specified) |
| Spinorama Preference Score | 5.05 (measured, spinorama.org) |
| Spinorama Preference Score with Perfect Sub | 7.42 (measured, spinorama.org) |
| Weight | 17 lbs (7.7 kg) each |
| Woofer Cabinet | ported |
- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons
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MoFi SourcePoint 10: $3795 per pair Crutchfield eBay
Pros: Andrew Jones-designed concentric/coincident driver delivers best-in-class sound power and early-reflections directivity in the reviewer’s testing - a genuine “point source” design. Vertical and horizontal radiation patterns closely match each other (about ±50° horizontal, ±30-40° vertical), a hallmark benefit of a well-executed concentric driver. Distortion stays low - under 1% above 100Hz at 86dB, and under 3% up to 100Hz even at 96dB, better than the reviewer expected from a low-excursion waveguide-loaded woofer. Surprisingly strong dynamic capability with little audible compression at both low and high volume. Widely spaced (about 11 feet apart) with roughly 15° of toe-out produced a huge, expansive soundstage without significant loss of imaging precision. Solidly built cabinet (about 40 lbs, heavily braced) minimizes cabinet resonance. Measured bass extension of 56Hz (-3dB), with a measured sensitivity of 88.2dB.
Cons: Like virtually all coincident designs, sounds notably bright pointed directly on-axis due to a deliberate treble lift (meant to compensate for the 28mm tweeter’s earlier beaming versus a typical 25mm/1” tweeter) combined with a diffraction dip/peak from the waveguide edge; needs about 15° of toe-out to sound neutral, and even then benefits from an extra 1-2dB of treble EQ. Toeing out further (to 30°) flattens the treble further but introduces a dip in the midrange-to-tweeter crossover region - there’s no single toe-out angle that fixes everything at once. F3 of 56Hz and F10 of 38Hz (about 40Hz in-room) mean genuine deep bass is limited; the reviewer would pair it with a sealed 10” or 12” subwoofer for regular daily listening. Bass extension and cabinet placement trade off against midrange cleanliness: placing it close to a wall for more bass risks a wall-bounce suckout in the midrange (roughly 200-500Hz depending on distance). Not perfectly time-aligned between tweeter and woofer (about 0.4ms delta), an inherent limitation of passive coincident drivers versus actively time-corrected designs. Some resonances appear in measurements, likely port-related. Minimum impedance around 6.4 ohms with EPDR near 3 ohms, so the reviewer recommends sticking with a 4-ohm-rated amplifier to be safe.
Full MoFi SourcePoint 10 review and specifications →
| Bass Extension (-10dB) | 38Hz (measured, Erin's Audio Corner) |
|---|---|
| Bass Extension (-3dB) | 56Hz (measured, Erin's Audio Corner) |
| DIY Kit | No |
| Dimensions | 22.5"H x 14.5"W x 16.6"D (571.5 x 368.3 x 421.6 mm) |
| Drivers | 10" Paper-pulp Cone woofer, 1.25-inch soft-dome tweeter |
| Impedance | 8 ohms nominal, 6.4 ohms minimum (measured, Erin's Audio Corner) |
| Sensitivity | 88.2dB (measured, Erin's Audio Corner) |
| Spinorama Preference Score | 4.16 |
| Spinorama Preference Score with Perfect Sub | 6.17 |
| Weight | 46.3 lbs (21.0 kg) each |
| Woofer Cabinet | ported, rear |
- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons
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