Short answer: the ELAC Debut 2.0 B5.2. It ranks #47 of 88 bookshelf speakers by sound quality, rated 3.2/5, at $269; the JBL Stage A120 ranks #67, rated 2.5/5, and costs $299, so there is not much of a tradeoff to weigh.
The case for the ELAC Debut 2.0 B5.2: Good horizontal directivity: the off-axis curves track the on-axis response closely, so the broad tonal error responds predictably to EQ. The tradeoff: Erin measured a broad +3dB step beginning around 1.5kHz; the resulting elevated upper range sounds tonally uneven even though it is not a narrow, sharp resonance.
Why pick the JBL Stage A120: Comes with a port bung, letting you experiment between ported and sealed configurations: the reviewer found the sound improved somewhat with the port sealed. The catch: A pronounced “Batman”-shaped frequency response: boosted bass, a scooped midrange, and elevated treble (about 3-4dB above the midrange), driven partly by confirmed cabinet panel resonance around 800Hz-1.7kHz.
Worth knowing: the JBL Stage A120 has been discontinued and is hard to find new at this point.
Buy the ELAC Debut 2.0 B5.2. It is rated higher for sound quality than the JBL Stage A120 and costs less, so only choose the other one for a particular feature it does better.
Looking for alternatives? See the complete Passive Home rankings.
Specifications Side By Side
| ELAC Debut 2.0 B5.2 | JBL Stage A120 | |
|---|---|---|
| Price | $269.00 per pair | $299 per pair Discontinued |
| Ranked | #47 of 88 in Medium Size Bookshelf Speakers | #67 of 88 in Medium Size Bookshelf Speakers |
| Bass Extension (-10dB) | 40Hz (measured, Erin’s Audio Corner) | 53Hz (measured, Erin’s Audio Corner) |
| Bass Extension (-3dB) | 60Hz (measured, Erin’s Audio Corner) | 71Hz (measured, Erin’s Audio Corner) |
| Dimensions | 13.4”H x 7.1”W x 9.2”D (341 x 180 x 234 mm) | 11.3”H x 6.8”W x 7.4”D (285.8 x 171.5 x 188.9 mm) |
| Impedance | 6 ohms nominal (manufacturer specified) | 6 ohms |
| Sensitivity | About 83dB after recommended EQ (measured, Erin’s Audio Corner; 86dB manufacturer specified) | 83dB (measured, Erin’s Audio Corner) |
| Drivers | 5.25” aramid-fiber woofer, 1” cloth-dome tweeter | 0.75” tweeter + 5” woofer |
| Weight | 13 lbs (5.9 kg) each | 10.6 lbs (4.8 kg) |
| Woofer Cabinet | ported, front | ported |
| Spinorama Preference Score | 5.02 | 3.50 |
| Spinorama Preference Score with Perfect Sub | 7.27 | 6.24 |
| DIY Kit | No | No |
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The Two Speakers In Full
ELAC Debut 2.0 B5.2: $269.00 per pair Amazon eBay
Pros: Good horizontal directivity: the off-axis curves track the on-axis response closely, so the broad tonal error responds predictably to EQ. Erin demonstrated that a single high-shelf filter centered near 1.6kHz, about -2dB with Q near 2, substantially improves linearity. Moderate roughly +/-50-60 degree horizontal coverage balances room interaction and image focus. The front port makes close-to-wall placement practical. Erin measured F3 near 60Hz and F10 near 40Hz, useful extension for a compact 5.25-inch two-way. Harmonic distortion is mostly below 1% at 86dB/1m, and low-frequency distortion is better than its size might suggest. Compact cabinet and inexpensive pair pricing make it a workable EQ-assisted desktop or small-room system. Measured bass extension of 60Hz (-3dB), with a measured sensitivity of 83dB.
Cons: Erin measured a broad +3dB step beginning around 1.5kHz; the resulting elevated upper range sounds tonally uneven even though it is not a narrow, sharp resonance. Native response spans roughly -2.6 to +4dB around the mean, so this is not a neutral speaker without correction. Sensitivity is only about 83dB after correcting the shelf, demanding materially more amplifier voltage than ELAC’s 86dB specification implies. Vertical response changes substantially outside roughly +/-10 degrees of tweeter height. Dynamic compression is the larger limitation: at the highest sweep level it loses roughly 1-1.5dB through the midrange, and even the 86dB trace shows unusual nonlinearity that may involve crossover heating. At about 96dB, multitone distortion rises audibly around 600Hz; an 80-120Hz subwoofer crossover helps but does not turn it into a high-output design. Erin recommends the larger B6.2 instead when EQ is unavailable.
Full ELAC Debut 2.0 B5.2 review and specifications →
| Bass Extension (-10dB) | 40Hz (measured, Erin’s Audio Corner) |
|---|---|
| Bass Extension (-3dB) | 60Hz (measured, Erin’s Audio Corner) |
| DIY Kit | No |
| Dimensions | 13.4”H x 7.1”W x 9.2”D (341 x 180 x 234 mm) |
| Drivers | 5.25” aramid-fiber woofer, 1” cloth-dome tweeter |
| Impedance | 6 ohms nominal (manufacturer specified) |
| Sensitivity | About 83dB after recommended EQ (measured, Erin’s Audio Corner; 86dB manufacturer specified) |
| Spinorama Preference Score | 5.02 |
| Spinorama Preference Score with Perfect Sub | 7.27 |
| Weight | 13 lbs (5.9 kg) each |
| Woofer Cabinet | ported, front |
- Links
- Reviews, Comparisons and Sound Samples
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JBL Stage A120: $299 per pair Discontinued eBay
Newer model: the JBL Stage 2 240B. It’s likely to perform similarly, though we don’t have measurements to confirm that yet.
Pros: Comes with a port bung, letting you experiment between ported and sealed configurations: the reviewer found the sound improved somewhat with the port sealed. Distortion at 96dB is broadly comparable to competitors in this price range outside of some elevated low-end THD. Wide horizontal radiation pattern for a compact bookshelf speaker in the low-to-midrange. Measured bass extension of 71Hz (-3dB), with a measured sensitivity of 83dB.
Cons: A pronounced “Batman”-shaped frequency response: boosted bass, a scooped midrange, and elevated treble (about 3-4dB above the midrange), driven partly by confirmed cabinet panel resonance around 800Hz-1.7kHz. Directivity shows significant back-to-back peaks and dips, making the speaker harder to correct with EQ since the off-axis sound doesn’t track the direct sound cleanly. Elevated treble that some might call “detailed” reads as an unwelcome boost to the reviewer rather than genuine resolution. Compression testing shows the low end degrading substantially at high output (102dB). Overall considered one of the weaker speakers the reviewer has tested in this class, with a competing model (Emotiva Airmotiv B1+) recommended instead at a similar price. Discontinued.
Full JBL Stage A120 review and specifications →
| Bass Extension (-10dB) | 53Hz (measured, Erin’s Audio Corner) |
|---|---|
| Bass Extension (-3dB) | 71Hz (measured, Erin’s Audio Corner) |
| DIY Kit | No |
| Dimensions | 11.3”H x 6.8”W x 7.4”D (285.8 x 171.5 x 188.9 mm) |
| Drivers | 0.75” tweeter + 5” woofer |
| Impedance | 6 ohms |
| Sensitivity | 83dB (measured, Erin’s Audio Corner) |
| Spinorama Preference Score | 3.50 |
| Spinorama Preference Score with Perfect Sub | 6.24 |
| Weight | 10.6 lbs (4.8 kg) |
| Woofer Cabinet | ported |
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