Short answer: the KEF LS50 Meta. It ranks #4 of 160 bookshelf speakers by sound quality (rated 4.5/5) at $1,599 and is still sold new; the JBL Stage A130 ranks #143 (rated 2.1/5) and is discontinued, so it is only an option used. The JBL Stage A130’s replacement, the JBL Stage 250B, is rated 3.2/5.
Why pick the JBL Stage A130: More constant, better-behaved directivity than the smaller JBL Stage A120 once past the tweeter crossover point, giving a more consistent radiation pattern that likely explains some of its positive reception among other reviewers. The catch: Still shows the same underlying “Batman”-shaped response pattern as the JBL Stage A120: a bass bump, a midrange dip, a cabinet-resonance peak around 800Hz-1.7kHz (confirmed via accelerometer testing on the cabinet panels), and roughly a 5dB treble bump around 10kHz.
The KEF LS50 Meta is the more accurate choice. Uni-Q concentric driver mounts a 1” vented aluminum dome tweeter at the center of a 5.25” aluminum cone woofer, rated 79Hz-20kHz+. Its measured preference score, a predictor of how neutral it sounds, is 5.74 against 4.04 for the JBL Stage A130. Watch for: F3 of 67Hz and F10 of 42Hz mean it doesn’t get much below 50Hz in-room; a subwoofer is recommended for real bass.
Buy the KEF LS50 Meta. It is rated higher for sound quality and still sold new, while the JBL Stage A130 is discontinued.
Looking for alternatives? See the complete Passive Home rankings.
Specifications Side By Side
| JBL Stage A130 | KEF LS50 Meta | |
|---|---|---|
| Price | $399 per pair Discontinued | $1,599.00 per pair |
| Ranked | #143 of 160 in Medium Size Bookshelf Speakers | #4 of 160 in Medium Size Bookshelf Speakers |
| Crossover Frequency | 3.2kHz | - |
| Dimensions | 12.6”H x 7.5”W x 9.1”D (321 x 190 x 230 mm) | 11.9”H x 7.9”W x 11”D (302 x 200 x 280.5 mm) |
| Impedance | 6 ohms nominal, about 4.3 ohms minimum (measured, Erin’s Audio Corner) | 8 ohms nominal (3.7 ohms minimum above 80Hz, measured by Erin’s Audio Corner) |
| Sensitivity | 85.2dB (measured, Erin’s Audio Corner) | 83dB (measured average, Erin’s Audio Corner; 85dB manufacturer specified) |
| Drivers | 5.25” (133mm) polycellulose woofer, 1” (25mm) aluminum dome tweeter | 130 mm (5.25 in.) aluminium cone woofer, 25 mm (1 in.) vented aluminium dome with Metamaterial Absorption tweeter |
| Weight | 12 lbs (5.45 kg) each | 17.2 lbs (7.8 kg) each |
| Woofer Cabinet | ported | ported, rear |
| Bass Extension (-3dB) | 66Hz (measured, Erin’s Audio Corner) | 68Hz (measured, Erin’s Audio Corner) |
| Bass Extension (-10dB) | 50Hz (measured, Erin’s Audio Corner) | 43Hz (measured, Erin’s Audio Corner) |
| Spinorama Preference Score | 4.04 | 5.74 |
| Spinorama Preference Score with Perfect Sub | 6.51 | 7.88 |
| DIY Kit | No | No |
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The Two Speakers In Full
JBL Stage A130: $399 per pair Discontinued eBay
Newer model: the JBL Stage 250B, ranked higher, rated 3.2/5.
Older model: the JBL Arena 120 (ranked higher, rated 3.8/5).
Same family: the JBL Stage A120 (smaller bookshelf, ranked higher, rated 2.5/5), the JBL Stage A180 (floorstanding, rated 3.8/5), the JBL Stage A125C (smaller center, rated 3.4/5) and the JBL Stage A135C (larger center, rated 2.9/5).
Pros: More constant, better-behaved directivity than the smaller JBL Stage A120 once past the tweeter crossover point, giving a more consistent radiation pattern that likely explains some of its positive reception among other reviewers. Distortion at 96dB measures slightly better than a direct competitor (Emotiva B1+) in the low end, though slightly worse at high frequencies. The tweeter itself sounded decent to the reviewer, who considers it a reasonable value at its price point despite other reservations. Wide, well-filled horizontal radiation through the midrange. Measured bass extension of 66Hz (-3dB), with a measured sensitivity of 85.2dB.
Cons: Still shows the same underlying “Batman”-shaped response pattern as the JBL Stage A120: a bass bump, a midrange dip, a cabinet-resonance peak around 800Hz-1.7kHz (confirmed via accelerometer testing on the cabinet panels), and roughly a 5dB treble bump around 10kHz. Does not include a port bung, so sealed-cabinet listening requires DIY stuffing rather than a proper factory solution. The reviewer’s own measurements notably diverge from another well-known publication’s results on this same model, possibly reflecting a running production change, though this couldn’t be confirmed. Overall sound quality struck the reviewer as not a good-sounding speaker despite the more favorable measurements relative to the JBL Stage A120. Output-limited at extreme volumes (102dB), similar to its smaller sibling. Loses to the similarly-priced Emotiva B1+ in overall linearity and neutrality, according to the reviewer’s direct comparison. Discontinued.
Full JBL Stage A130 review and specifications →
| Bass Extension (-10dB) | 50Hz (measured, Erin’s Audio Corner) |
|---|---|
| Bass Extension (-3dB) | 66Hz (measured, Erin’s Audio Corner) |
| Crossover Frequency | 3.2kHz |
| DIY Kit | No |
| Dimensions | 12.6”H x 7.5”W x 9.1”D (321 x 190 x 230 mm) |
| Drivers | 5.25” (133mm) polycellulose woofer, 1” (25mm) aluminum dome tweeter |
| Impedance | 6 ohms nominal, about 4.3 ohms minimum (measured, Erin’s Audio Corner) |
| Sensitivity | 85.2dB (measured, Erin’s Audio Corner) |
| Spinorama Preference Score | 4.04 |
| Spinorama Preference Score with Perfect Sub | 6.51 |
| Weight | 12 lbs (5.45 kg) each |
| Woofer Cabinet | ported |
- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons
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KEF LS50 Meta: $1,599.00 per pair Amazon Crutchfield eBay
Older model: the KEF LS50 (ranked lower, rated 3.9/5).
Pros: Uni-Q concentric driver mounts a 1” vented aluminum dome tweeter at the center of a 5.25” aluminum cone woofer, rated 79Hz-20kHz+. Speaker-to-speaker matching measured tight at roughly 0.5dB deviation between the pair tested, versus 2-3dB seen on some other speakers: likely why imaging stayed so precise. Imaging stays tight and focused even toed out, unlike most coincident designs where toe-out typically diffuses the image, giving more of an oval-shaped soundstage than a hard rectangular boundary. Horizontal and vertical directivity both hold to about ±50° at the -6dB point, so tonality stays consistent across roughly a 100° listening cone. The extended bass shelf is deliberately tuned for near-wall/boundary placement rather than the usual “pull it 3 feet into the room” advice, playing lower without excess boominess when placed close to a wall. At its frequent sale price, well below list, called a no-brainer for a compact stand-mount speaker. Independent ASR Klippel measurements corroborate this: very good directivity with the on- and off-axis curves tracking closely, and a predicted in-room response the reviewer called “very close to ideal.”. Measured bass extension of 68Hz (-3dB), with a measured sensitivity of 83dB.
Cons: F3 of 67Hz and F10 of 42Hz mean it doesn’t get much below 50Hz in-room; a subwoofer is recommended for real bass. A 2-3dB scoop around 2-4kHz shows up in both the listening window and sound power measurements, matching a subjectively noticed lack of attack and vocal clarity that the reviewer wanted to correct with about 2dB of EQ. An on-axis diffraction dip around 8kHz smooths out with about 15° of toe-out (typical for concentric designs, but still present at 0°). Distortion is elevated at low frequencies since the single 5.25” cone shares surface area with the tweeter housing, reducing effective radiating area; multitone distortion crosses the 3% threshold at 96dB/1m, making roughly 88dB or below the safer output ceiling. Moderate sensitivity (~83dB average) needed 2-3dB more amplifier gain than typical in testing. Adding a subwoofer at an 80Hz crossover only helps lower-midrange distortion, not the elevated distortion in the 1-2kHz and above-5kHz regions. ASR’s own Klippel testing found the same pattern in starker terms: THD is very good at 86dB SPL/1m but climbs past 100% in the bass at 96dB SPL/1m, confirming this is not a near-field speaker for high-output bass-heavy material. Cumulative spectral decay (waterfall) also shows a couple of resonances lingering in the 1-2kHz region.
Full KEF LS50 Meta review and specifications →
| Bass Extension (-10dB) | 43Hz (measured, Erin’s Audio Corner) |
|---|---|
| Bass Extension (-3dB) | 68Hz (measured, Erin’s Audio Corner) |
| DIY Kit | No |
| Dimensions | 11.9”H x 7.9”W x 11”D (302 x 200 x 280.5 mm) |
| Drivers | 130 mm (5.25 in.) aluminium cone woofer, 25 mm (1 in.) vented aluminium dome with Metamaterial Absorption tweeter |
| Impedance | 8 ohms nominal (3.7 ohms minimum above 80Hz, measured by Erin’s Audio Corner) |
| Sensitivity | 83dB (measured average, Erin’s Audio Corner; 85dB manufacturer specified) |
| Spinorama Preference Score | 5.74 |
| Spinorama Preference Score with Perfect Sub | 7.88 |
| Weight | 17.2 lbs (7.8 kg) each |
| Woofer Cabinet | ported, rear |
- Links
- Reviews, Comparisons and Sound Samples
- Erin’s Audio Corner: Unveiling the KEF LS50 Meta: The Truth Behind the Hype More from Erin’s Audio Corner →
- Erin’s Audio Corner Website KEF LS50 Meta
- Audio Science Review KEF LS50 Meta More from Audio Science Review →
- GR-Research: KEF LS50 Meta! Worthy of HYPE? More from GR-Research →
- Erin’s Audio Corner: My Top Picks of 2023: Must-Haves Under $3000
- Erin’s Audio Corner Measurements (spinorama.org)
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