Short answer: the Arendal 1528 Monitor 8. It ranks #23 of 203 bookshelf speakers by sound quality, rated 4.4/5, at $6,000. The ATC SCM19 ranks #190, rated 2.4/5, at $3,750, $2,250 cheaper, which does not close the gap in sound quality.
The Arendal 1528 Monitor 8 is the more accurate, deeper-bass option. Three-way design featuring a 28mm tweeter, 5” mid-range, and dual 8” mid-bass drivers in a convertible sealed/ported HDF cabinet, with a supplied port bung for sealed operation near a wall. Its measured preference score, a predictor of how neutral it sounds, is 5.59 against 4.61 for the ATC SCM19. Its bass reaches about 41Hz before falling 3dB, against 60Hz for the ATC SCM19. Watch for: A dip in the midbase around 100Hz noticeably reduces the “chestiness” of male vocals compared to the reviewer’s reference speaker.
Why pick the ATC SCM19: Harmonic distortion at 96dB SPL/1m stays generally low across the range aside from the spike tied to the 700-800Hz resonance. The tradeoff: Some stored energy resonance around 500-700Hz, 4dB bump around 700Hz.
Buy the Arendal 1528 Monitor 8. It is rated higher for sound quality, and the $2,250 you would save on the ATC SCM19 does not close the gap.
Want more options? Browse the full Passive Home rankings.
Specifications Side By Side
| Arendal 1528 Monitor 8 | ATC SCM19 | |
|---|---|---|
| Price | $6000 per pair | $3750 per pair |
| Ranked | #23 of 203 in Large Size Bookshelf Speakers | #190 of 203 in Large Size Bookshelf Speakers |
| Bass Extension (-10dB) | 26Hz (measured, Erin’s Audio Corner) | 34Hz (measured, Audio Science Review) |
| Bass Extension (-3dB) | 41Hz (measured, Erin’s Audio Corner) | 60Hz (measured, Audio Science Review) |
| Dimensions | 31.8”H x 11.4”W x 17.6”D (807.7 x 289.6 x 447 mm) | 17.2”H x 10.4”W x 11.8”D (436.9 x 264.2 x 299.7 mm) |
| Impedance | 4 ohms nominal, 3.8 ohms minimum (measured, Erin’s Audio Corner) | 6 ohms |
| Drivers | Dual 8” woofers, 5” midrange, 28mm tweeter | 5.9” Super Linear Magnet cone woofer, 1” soft dome tweeter |
| Sensitivity | 84.4dB (measured, Erin’s Audio Corner) | 85dB (measured, Audio Science Review) |
| Weight | 103.6 lbs (47 kg) each | 39.2 lbs (17.8 kg) each |
| Woofer Cabinet | ported | sealed |
| Spinorama Preference Score | 5.59 | 4.61 |
| Spinorama Preference Score with Perfect Sub | 7.04 | 7.03 |
| DIY Kit | No | No |
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The Two Speakers In Full
Arendal 1528 Monitor 8: $6000 per pair Arendal Sound eBay
Same family: the Arendal Sound 1528 Bookshelf 8 (smaller bookshelf, ranked lower, estimated 4.4/5), the Arendal Sound 1528 Tower 8 (floorstanding, estimated 4.5/5) and the Arendal Sound 1528 Center 8 (center, estimated 4.1/5).
Pros: Three-way design featuring a 28mm tweeter, 5” mid-range, and dual 8” mid-bass drivers in a convertible sealed/ported HDF cabinet, with a supplied port bung for sealed operation near a wall. In ported configuration, reaches down to about 35Hz in most rooms (F3 41Hz, F10 26Hz): deep enough that many listeners could skip a subwoofer unless they want output below 40Hz. Extremely low distortion and compression across the board (harmonic, multitone, and both long- and short-term compression testing): among the best the reviewer has tested at this price, beating speakers costing twice as much. Wide, consistent horizontal soundstage of about ±60°. Smooth, non-fatiguing high frequency rather than the elevated “detail” boost common on speakers marketed for resolution. A slight forwardness around 1.5kHz adds a touch of attack without tipping into brightness. Measured bass extension of 41Hz (-3dB), with a measured sensitivity of 84.4dB.
Cons: A dip in the midbase around 100Hz noticeably reduces the “chestiness” of male vocals compared to the reviewer’s reference speaker. A diffraction-related flare in the upper-midrange/lower-treble (around 1.5-2kHz) gives a mild forwardness that benefits from sidewall absorption panels, though it’s not a major issue. Vertical sweet spot is fairly narrow at about ±20°: a bigger consideration for multi-row home theater seating than rivals like the MoFi SourcePoint 8, which manages about ±60°. The MoFi SourcePoint 8, a similarly-priced rival, also has more linear bass with no midbase dip, at the cost of a more elevated top end. Minor resonances appear around 400Hz and 800Hz in measurements, though the reviewer considers them inaudible or insignificant. Very heavy (about 104 lbs each) HDF cabinet requires dedicated, sturdy stands. Low EPDR (dips to about 1.9 ohms in two spots) means a Class AB amplifier needs to comfortably handle a 4-ohm load without overheating; a Class D amp is a safer choice for full-range use.
Full Arendal 1528 Monitor 8 review and specifications →
| Bass Extension (-10dB) | 26Hz (measured, Erin’s Audio Corner) |
|---|---|
| Bass Extension (-3dB) | 41Hz (measured, Erin’s Audio Corner) |
| DIY Kit | No |
| Dimensions | 31.8”H x 11.4”W x 17.6”D (807.7 x 289.6 x 447 mm) |
| Drivers | Dual 8” woofers, 5” midrange, 28mm tweeter |
| Impedance | 4 ohms nominal, 3.8 ohms minimum (measured, Erin’s Audio Corner) |
| Sensitivity | 84.4dB (measured, Erin’s Audio Corner) |
| Spinorama Preference Score | 5.59 |
| Spinorama Preference Score with Perfect Sub | 7.04 |
| Weight | 103.6 lbs (47 kg) each |
| Woofer Cabinet | ported |
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ATC SCM19: $3750 per pair The Music Room eBay
Same family: the ATC SCM40 (floorstanding, estimated 2.6/5).
Pros: Harmonic distortion at 96dB SPL/1m stays generally low across the range aside from the spike tied to the 700-800Hz resonance. Sealed (unported) cabinet avoids port noise and resonance, and the extremely dense, heavy-duty enclosure (17.8kg/39lb each) reflects ATC’s pro-audio build standards. Measured bass extension of 60Hz (-3dB), with a measured sensitivity of 85dB.
Cons: Some stored energy resonance around 500-700Hz, 4dB bump around 700Hz. Not recommended for the price. CEA2034 spinorama and predicted in-room response both show a very uneven overall balance (a broad accentuation from midrange to treble paired with too little bass) along with directivity error. At 96dB SPL/1m, harmonic distortion tied to the 500-700Hz resonance rises to a level the reviewer says “should not be there.”
Full ATC SCM19 review and specifications →
| Bass Extension (-10dB) | 34Hz (measured, Audio Science Review) |
|---|---|
| Bass Extension (-3dB) | 60Hz (measured, Audio Science Review) |
| DIY Kit | No |
| Dimensions | 17.2”H x 10.4”W x 11.8”D (436.9 x 264.2 x 299.7 mm) |
| Drivers | 5.9” Super Linear Magnet cone woofer, 1” soft dome tweeter |
| Impedance | 6 ohms |
| Sensitivity | 85dB (measured, Audio Science Review) |
| Spinorama Preference Score | 4.61 |
| Spinorama Preference Score with Perfect Sub | 7.03 |
| Weight | 39.2 lbs (17.8 kg) each |
| Woofer Cabinet | sealed |
- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons