Short answer: the Paradigm Monitor SE Atom. It ranks #26 of 56 bookshelf speakers by sound quality at $318; the ELAC BS U5 ranks #29 and costs $856, so there is not much of a tradeoff to weigh.
What the Paradigm Monitor SE Atom offers: Good, consistent directivity across the on-axis, listening-window, and off-axis curves makes the Atom easier to equalize and less room-dependent than many budget speakers. Watch for: On-axis response is uneven out of the box, with a 2-4kHz dip followed by a peak and a resonance around 15kHz that the reviewer said gives it a bright, “showroom” voicing without EQ correction.
On the ELAC BS U5 side: This slim three-way coaxial design (an Andrew Jones creation) shows a fairly even on-axis response up to 3kHz, with off-axis behavior notably smoother than the on-axis curve. Set against that: Distortion is very high right at both crossover points - around 270Hz (mid-range) and 2700Hz (tweeter) - at both 86dB and 96dB SPL/1m, exceeding 3% at the mid-range crossover.
Buy the Paradigm Monitor SE Atom. It ranks higher for sound quality than the ELAC BS U5 and costs less, so there is no real case for the other one.
Specifications Side By Side
| Paradigm Monitor SE Atom | ELAC BS U5 | |
|---|---|---|
| Price | $318 | $856 Discontinued |
| Ranked | #26 of 56 in Medium Size Bookshelf Speakers | #29 of 56 in Medium Size Bookshelf Speakers |
| Bass Extension (-3dB) | 82Hz (measured, Audio Science Review) | 78Hz (measured, Audio Science Review) |
| Bass Extension (-10dB) | 62Hz (measured, Audio Science Review) | 60Hz (measured, Audio Science Review) |
| Drivers | 1" X-PAL aluminum dome tweeter (ferrofluid, PPA lens), 5.5" mineral-filled polypropylene mid/bass | 1" tweeter + 5.25" woofer |
| Dimensions | 12.75H x 7.125W x 11D in | 13.4"H x 7"W x 11.5"D (339.1 x 178.0 x 293.1 mm) |
| Weight | 11.9 lbs / 5.4 kg each | 13.2 lbs / 6 kg |
| Frequency Response | 61Hz - 21kHz +/-3dB (Manufacturer specified) | - |
| Sensitivity | 85dB (2.83V/1m, measured, Audio Science Review) | 83dB (2.83V/1m, measured, Audio Science Review) |
| Impedance | 8 ohms | 4 ohms nominal (3.4 ohms minimum) |
| Power Handling | 15-100W recommended | - |
| Woofer Cabinet | ported, rear | ported, rear |
| Discontinued | - | Yes |
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- KEF Q150 vs Dynaudio Emit M10
- Wharfedale Diamond 220 vs Dynaudio Emit M10
- Dynaudio Emit M10 vs JBL Stage 2 250B
- ELAC BS U5 vs Q Acoustics 3020i
- ELAC Debut 2.0 B5.2 vs ELAC BS U5
The Two Speakers In Full
Paradigm Monitor SE Atom: $318 Amazon
Pros: Good, consistent directivity across the on-axis, listening-window, and off-axis curves makes the Atom easier to equalize and less room-dependent than many budget speakers. Bass tuning is well judged, letting the woofer play loud on demanding tracks without bottoming out even without a subwoofer. Paradigm’s NRC research pedigree shows in the horizontal and vertical dispersion measurements.
Cons: On-axis response is uneven out of the box, with a 2-4kHz dip followed by a peak and a resonance around 15kHz that the reviewer said gives it a bright, “showroom” voicing without EQ correction. There’s no meaningful bass extension for full-range use, so a subwoofer is effectively required for anything beyond desktop or near-field listening.
Full Paradigm Monitor SE Atom review and specifications →
| Bass Extension (-10dB) | 62Hz (measured, Audio Science Review) |
|---|---|
| Bass Extension (-3dB) | 82Hz (measured, Audio Science Review) |
| Dimensions | 12.75H x 7.125W x 11D in |
| Drivers | 1" X-PAL aluminum dome tweeter (ferrofluid, PPA lens), 5.5" mineral-filled polypropylene mid/bass |
| Frequency Response | 61Hz - 21kHz +/-3dB (Manufacturer specified) |
| Impedance | 8 ohms |
| Power Handling | 15-100W recommended |
| Sensitivity | 85dB (2.83V/1m, measured, Audio Science Review) |
| Weight | 11.9 lbs / 5.4 kg each |
| Woofer Cabinet | ported, rear |
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- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons
- Paradigm Monitor SE Atom vs Sony SS-CS5 M2
- Paradigm Monitor SE Atom vs ELAC Debut 2.0 B5.2
- Paradigm Monitor SE Atom vs Dynaudio Emit M10
- Paradigm Monitor SE Atom vs JBL Studio 530
- Paradigm Monitor SE Atom vs Boston Acoustics A25
- Paradigm Monitor SE Atom vs JBL Stage 2 250B
- Paradigm Monitor SE Atom vs Dynaudio X14
- Paradigm Monitor SE Atom vs Wharfedale Diamond 220
- See all 17 comparisons
ELAC BS U5: $856 Discontinued
Pros: This slim three-way coaxial design (an Andrew Jones creation) shows a fairly even on-axis response up to 3kHz, with off-axis behavior notably smoother than the on-axis curve. Predicted in-room response looks like it should give good tonality. Vertical directivity is better than average, a benefit of the coaxial layout.
Cons: Distortion is very high right at both crossover points - around 270Hz (mid-range) and 2700Hz (tweeter) - at both 86dB and 96dB SPL/1m, exceeding 3% at the mid-range crossover. Minimum impedance dips to 3.4 ohms with a possible resonance around 500Hz visible in the impedance/phase curve. Discontinued.
Full ELAC BS U5 review and specifications →
| Bass Extension (-10dB) | 60Hz (measured, Audio Science Review) |
|---|---|
| Bass Extension (-3dB) | 78Hz (measured, Audio Science Review) |
| Dimensions | 13.4"H x 7"W x 11.5"D (339.1 x 178.0 x 293.1 mm) |
| Discontinued | Yes |
| Drivers | 1" tweeter + 5.25" woofer |
| Impedance | 4 ohms nominal (3.4 ohms minimum) |
| Sensitivity | 83dB (2.83V/1m, measured, Audio Science Review) |
| Weight | 13.2 lbs / 6 kg |
| Woofer Cabinet | ported, rear |
As an eBay Partner, we may be compensated if you make a purchase.
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons
- ELAC BS U5 vs JBL Stage 2 250B
- ELAC BS U5 vs Dynaudio Emit M10
- ELAC BS U5 vs Acoustic Energy AE100 Mk2
- ELAC BS U5 vs Dynaudio X14
- ELAC BS U5 vs Sony SS-CS5 M2
- ELAC BS U5 vs Pioneer SP-BS22-LR (Philharmonic AAM Mod)
- ELAC BS U5 vs JBL L52 Classic
- ELAC BS U5 vs ELAC Debut 2.0 B5.2
- See all 19 comparisons