Short answer: the KEF R3 Meta for better sound quality, the Philharmonic BMR (v1) for the lower price. The KEF R3 Meta ranks #10 of 84 bookshelf speakers at $2499.99. The Philharmonic BMR (v1) ranks #30 at $2200, $299.99 cheaper.
What the KEF R3 Meta offers: Three-way design with an unconventional concentric layout: the 1” tweeter is recessed into the throat of the 5.25” midrange driver, deeper integration than a standard coaxial arrangement. Watch for: Pointed straight on-axis, there’s a 1-2dB bump around 9kHz that stays consistent across angles thanks to the constant-directivity waveguide - only toeing the speaker out about 10° tames it.
What the Philharmonic BMR (v1) offers: Large three-way combining a Scan-Speak 7-inch paper/carbon woofer, 2.5-inch Tectonic balanced-mode midrange and RAAL 64-10 ribbon. Watch for: The measured 83dB sensitivity and roughly 4-ohm load demand meaningful external amplification.
Buy the KEF R3 Meta if sound quality matters more than the price. Buy the Philharmonic BMR (v1) if the price matters more than sound quality.
Specifications Side By Side
| KEF R3 Meta | Philharmonic BMR (v1) | |
|---|---|---|
| Price | $2,499.99 | Current version: $2,200/pair |
| Ranked | #10 of 84 in Large Size Bookshelf Speakers | #30 of 84 in Large Size Bookshelf Speakers |
| Bass Extension (-10dB) | 37Hz (measured, Erin’s Audio Corner) | - |
| Bass Extension (-3dB) | 76Hz (measured, Erin’s Audio Corner) | Approximately 62Hz relative to mean (measured, Erin’s Audio Corner website) |
| Dimensions | 16.6"H x 7.9"W x 13.2"D (421.6 x 200.7 x 335.3 mm) | - |
| Impedance | 4 ohms nominal (3.2 ohms minimum above 80Hz, measured, Erin’s Audio Corner) | Approximately 4 ohms nominal (measured, Erin’s Audio Corner) |
| Drivers | 6.5" Hybrid aluminum ported woofer, 5" aluminum cone midrange, 1" vented aluminium dome with MAT tweeter | RAAL 64-10 ribbon; 2.5" BMR midrange; 7" Scan-Speak woofer |
| Sensitivity | 85.9dB (measured, Erin’s Audio Corner; 87dB manufacturer specified) | Approximately 83dB/2.83V/1m (measured, Erin’s Audio Corner) |
| Weight | 27.3 lbs / 12.4 kg each | - |
| Woofer Cabinet | ported | ported |
| Port Tuning | - | Mid/low-30Hz range (measured, Erin’s Audio Corner) |
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- KEF Q Concerto Meta vs MoFi SourcePoint 10
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- KEF R3 Meta vs MoFi SourcePoint 8
The Two Speakers In Full
KEF R3 Meta: $2,499.99 Amazon Crutchfield
Pros: Three-way design with an unconventional concentric layout: the 1” tweeter is recessed into the throat of the 5.25” midrange driver, deeper integration than a standard coaxial arrangement. A quasi sealed/ported bass alignment gives an extended low-end shelf tuned to match typical in-room gain, reaching about 50Hz for most content - deeper than recently-tested rivals like the Focal Aria 906, Polk R200, and an 8” Aperion design. Spinorama measurements show class-leading directivity and sound power, plus very linear on-axis response (at the recommended 10° toe-out) and early-reflections directivity, so it takes EQ exceptionally well. The vertical sweet spot extends to about ±20-30° off the reference axis with nearly identical tonality, unusually wide for a two- or three-way design. A clear upgrade over the earlier, non-Meta R3, eliminating the treble brightness the original had even when toed off-axis. Outperforms similarly-priced rivals (Revel M106, Wharfedale Linton, Philharmonic BMR V2, JBL HDI 1600) specifically on directivity and linearity in the reviewer’s measurements. At $2,200/pair, called the best value in its class with near-reference-level anechoic performance.
Cons: Pointed straight on-axis, there’s a 1-2dB bump around 9kHz that stays consistent across angles thanks to the constant-directivity waveguide - only toeing the speaker out about 10° tames it. Minimum impedance dips to about 3.2 ohms nominal (EPDR as low as 1.9 ohms), so it needs a 4-ohm-stable amplifier; a standard AVR likely won’t cut it. Distortion crosses the reviewer’s 3% threshold around 80Hz at 96dB output and shows added deviation again near 50Hz, indicating it runs out of headroom at higher volumes - a subwoofer is recommended for loud listening. Horizontal radiation narrows from about ±70° at low frequency to ±40° at high frequency. Below about 100Hz, compression testing shows fairly wide deviations at both 86dB and 96dB output, though the reviewer notes this is typical for speakers in this size and price class. Current R3 owners who are already happy with that speaker have little reason to upgrade.
Full KEF R3 Meta review and specifications →
| Bass Extension (-10dB) | 37Hz (measured, Erin's Audio Corner) |
|---|---|
| Bass Extension (-3dB) | 76Hz (measured, Erin's Audio Corner) |
| Dimensions | 16.6"H x 7.9"W x 13.2"D (421.6 x 200.7 x 335.3 mm) |
| Drivers | 6.5" Hybrid aluminum ported woofer, 5" aluminum cone midrange, 1" vented aluminium dome with MAT tweeter |
| Impedance | 4 ohms nominal (3.2 ohms minimum above 80Hz, measured, Erin's Audio Corner) |
| Sensitivity | 85.9dB (measured, Erin's Audio Corner; 87dB manufacturer specified) |
| Weight | 27.3 lbs / 12.4 kg each |
| Woofer Cabinet | ported |
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- Links
- Reviews, Comparisons and Sound Samples
- Erin’s Audio Corner: KEF R3 Meta: The Speaker to Beat.
- Erin’s Audio Corner Website KEF R3 Meta Review
- 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: Finally… a Speaker Danny Doesn’t Have to Fix?
- New Record Day: The Gold Standard Of “Pretty Good” KEF R3 Meta Review
- Reddit Search for KEF R3 Meta Review
- Head-to-Head Comparisons
Philharmonic BMR (v1): Current version: $2,200/pair Philharmonic Audio
Pros: Large three-way combining a Scan-Speak 7-inch paper/carbon woofer, 2.5-inch Tectonic balanced-mode midrange and RAAL 64-10 ribbon. Erin measured approximately +/-1.5dB linearity from 80Hz upward, very broad +/-40-degree-or-better horizontal coverage and about 83dB/2.83V/1m sensitivity. The port is tuned in the mid/low-30Hz region without audible chuffing, the midrange provides unusually expansive staging, and distortion remained subjectively unobtrusive.
Cons: The measured 83dB sensitivity and roughly 4-ohm load demand meaningful external amplification. A 1-2dB shelf below about 300Hz reduces warmth unless corrected, while a response/impedance feature near 250-300Hz corresponded with Erin’s sense of resonance. The ribbon produces narrower vertical than horizontal radiation, and second-order high-frequency distortion plus dynamic enhancement near 3kHz appeared in testing. This was an earlier cabinet/version, not the current v2.
Full Philharmonic BMR (v1) review and specifications →
| Bass Extension (-3dB) | Approximately 62Hz relative to mean (measured, Erin's Audio Corner website) |
|---|---|
| Drivers | RAAL 64-10 ribbon; 2.5" BMR midrange; 7" Scan-Speak woofer |
| Impedance | Approximately 4 ohms nominal (measured, Erin's Audio Corner) |
| Port Tuning | Mid/low-30Hz range (measured, Erin's Audio Corner) |
| Sensitivity | Approximately 83dB/2.83V/1m (measured, Erin's Audio Corner) |
| Woofer Cabinet | ported |
As an eBay Partner, we may be compensated if you make a purchase.
- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons