Short answer: the KEF Q Concerto Meta. It ranks #11 of 222 bookshelf speakers by sound quality, rated 4.6/5, at $999.99. The HSU Research CCB-8 ranks #213, rated 2.3/5, at $699, $300.99 cheaper, a saving that is not big enough to make up the sound-quality gap.
The KEF Q Concerto Meta is the more accurate, deeper-bass option. A neutral three way bookshelf speaker that sounds consistent from seat to seat, with smooth treble that many rivals at its price lack. Its measured preference score, a predictor of how neutral it sounds, is 6.01 against 1.62 for the HSU Research CCB-8. Its bass reaches about 53Hz before falling 3dB, against 65Hz for the HSU Research CCB-8. The catch: Radiation pattern measures about ±50°, narrower than the reviewer’s preferred ±60° for a stronger sense of envelopment.
The case for the HSU Research CCB-8: An easy to drive bookshelf speaker with an 8 inch coaxial driver, good midbass punch and wide dispersion. The tradeoff: Badly unbalanced top end that the reviewer called ‘just a terrible speaker’ outright: a roughly 7dB peak-dip swing in the upper mid/treble causes real listening fatigue regardless of listening angle (tried on-axis, 15 degrees off, and 30 degrees off, all bad).
Buy the KEF Q Concerto Meta. It is rated higher for sound quality, and the $300.99 saving on the HSU Research CCB-8 is not enough to make up the difference.
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Measured Differences
- Bass depth: the KEF Q Concerto Meta reaches 35 Hz (10 dB down) against 52 Hz for the HSU Research CCB-8, about half an octave deeper. You hear more of the lowest bass notes and kick drums.
- Tonal accuracy above the bass: with a subwoofer taking the low end, the KEF Q Concerto Meta scores 7.7 against 4.0 for the HSU Research CCB-8 on the Spinorama preference scale. Its frequency response and off-axis sound are smoother, so voices and instruments sound closer to the recording.
- Efficiency: the HSU Research CCB-8 is rated at 90.4 dB sensitivity against 84.2 dB for the KEF Q Concerto Meta, so it plays as loud with roughly a third of the amplifier power.
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Specifications Side By Side
| KEF Q Concerto Meta | HSU Research CCB-8 | |
|---|---|---|
| Price | $999.99 per pair | $699 per pair |
| Ranked | #11 of 222 in Large Size Bookshelf Speakers | #213 of 222 in Large Size Bookshelf Speakers |
| Bass Extension (-10dB) | 35Hz (measured, Erin’s Audio Corner) | 52Hz (measured, Erin’s Audio Corner) |
| Bass Extension (-3dB) | 53Hz (measured, Erin’s Audio Corner) | 65Hz (measured, Erin’s Audio Corner) |
| Dimensions | 16.3”H x 8.3”W x 12.4”D (414 x 210.8 x 315 mm) | 15” x 10.5” x 12” (381 x 267 x 305 mm) |
| Impedance | 4 ohms nominal (3.3 ohms minimum above 80Hz, measured by Erin’s Audio Corner) | 8 ohms nominal |
| Drivers | 165 mm (6.5 in.) hybrid aluminium cone woofer, 100 mm (4 in.) aluminium cone midrange, 19 mm (0.75 in.) vented aluminium dome with MAT tweeter | 8” coaxial driver, constant-directivity horn tweeter |
| Sensitivity | 84.2dB (measured average, Erin’s Audio Corner) | 90.4dB (2.83V/1m, measured by Erin’s Audio Corner) |
| Weight | 20.9 lbs (9.5 kg) each | 22 lbs (10 kg) each |
| Woofer Cabinet | ported, rear | Vented |
| Spinorama Preference Score | 6.01 | 1.62 |
| Spinorama Preference Score with Perfect Sub | 7.71 | 4.04 |
| DIY Kit | No | No |
| Frequency Response | - | 50Hz - 20kHz (+-2dB at 15 degrees off-axis, Manufacturer specified) |
| Recommended Power | - | 10-400W RMS per channel |
Where the Ratings Come From
- KEF Q Concerto Meta: Spinorama.org measurements and reviews by Erin’s Audio Corner.
- HSU Research CCB-8: Spinorama.org measurements and reviews by Erin’s Audio Corner.
This comparison is generated from the ratings, specifications and measurements on each product’s own page, and it updates when that data changes. How we rank explains how each rating is decided.
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