Short answer: the Perlisten A3m. It ranks #43 of 130 bookshelf speakers by sound quality at $3000; the ATC SCM19 ranks #119 and costs $3750, so there is little reason to consider the other one.
What the Perlisten A3m offers: Manufacturer data shows a narrow 1.8dB reference band, 0.305dB on-axis average absolute deviation, 0.457 listening-window smoothness, and a rated 111.4dB peak at 1m. Its preference score rises from 3.39 to 6.42 with a subwoofer. A sealed cabinet, two 8-inch carbon-fiber woofers, and a controlled tweeter waveguide make this a high-output monitor. Watch for: The low-quality vendor Spinorama data measures only 85.8Hz at -3dB, 74.1Hz at -6dB, and 55.7Hz at -12dB, conflicting with Perlisten’s much deeper in-room extension claim. A 3.70 sound-power directivity-index standard deviation and 0.295 predicted-in-room smoothness are merely average. It is large, heavy, 4-ohm nominal, and expensive at $3,000/pair.
What the ATC SCM19 offers: 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. Watch for: 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.”
Buy the Perlisten A3m. It ranks higher for sound quality than the ATC SCM19 and costs less, which settles it without a real tradeoff to make.
Skip the ATC SCM19 if sound quality matters to you. It ranks near the bottom of the 130 bookshelf speakers.
Want more options? Browse the full Passive Home rankings.
Specifications Side By Side
| Perlisten A3m | ATC SCM19 | |
|---|---|---|
| Price | $3,000 per pair | $3750 per pair |
| Ranked | #43 of 130 in Large Size Bookshelf Speakers | #119 of 130 in Large Size Bookshelf Speakers |
| Bass Extension (-3dB) | 85.8Hz (measured, spinorama.org) | 60Hz (measured, Audio Science Review) |
| Bass Extension (-10dB) | approximately 61Hz (measured, spinorama.org) | 34Hz (measured, Audio Science Review) |
| Enclosure | Sealed | - |
| Drivers | Two 8-inch carbon-fiber woofers; 35mm Teteron dome tweeter | 5.9" Super Linear Magnet cone woofer, 1" soft dome tweeter |
| Sensitivity | 87.4dB at 2.83V/1m | 85dB (measured, Audio Science Review) |
| Impedance | 4 ohms nominal; 3 ohms minimum | 6 ohms |
| Dimensions | 26.6 x 11.0 x 13.8 in each | 17.2"H x 10.4"W x 11.8"D (436.9 x 264.2 x 299.7 mm) |
| Maximum SPL | 111.4dB peak at 1m (manufacturer specified) | - |
| Spinorama Preference Score | 3.39 | 3.79 |
| Spinorama Preference Score with Perfect Sub | 6.42 | 6.21 |
| Weight | - | 39.2 lbs (17.8 kg) each |
| Woofer Cabinet | - | sealed |
Related Speaker Comparisons
More worthwhile head-to-heads for Perlisten A3m:
- Perlisten A3m vs Perlisten S4b
- Perlisten A3m vs KEF Reference 1 Meta
- Perlisten A3m vs GR-Research NX-Studio
- AsciLab C6B vs Perlisten A3m
- Audio First Cadentia 3 vs Perlisten A3m
Prices on this page were last checked September 16, 2026 at 12:41 AM UTC. Product prices and availability are accurate as of that date/time and are subject to change; the price and availability shown on Amazon at the time of purchase will apply to the purchase of this product.
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The Two Speakers In Full
Perlisten A3m: $3,000 per pair Perlisten Dealer Network eBay
Pros: Manufacturer data shows a narrow 1.8dB reference band, 0.305dB on-axis average absolute deviation, 0.457 listening-window smoothness, and a rated 111.4dB peak at 1m. Its preference score rises from 3.39 to 6.42 with a subwoofer. A sealed cabinet, two 8-inch carbon-fiber woofers, and a controlled tweeter waveguide make this a high-output monitor. Measured bass extension of 85.8Hz (-3dB).
Cons: The low-quality vendor Spinorama data measures only 85.8Hz at -3dB, 74.1Hz at -6dB, and 55.7Hz at -12dB, conflicting with Perlisten’s much deeper in-room extension claim. A 3.70 sound-power directivity-index standard deviation and 0.295 predicted-in-room smoothness are merely average. It is large, heavy, 4-ohm nominal, and expensive at $3,000/pair.
Full Perlisten A3m review and specifications →
| Bass Extension (-10dB) | approximately 61Hz (measured, spinorama.org) |
|---|---|
| Bass Extension (-3dB) | 85.8Hz (measured, spinorama.org) |
| Dimensions | 26.6 x 11.0 x 13.8 in each |
| Drivers | Two 8-inch carbon-fiber woofers; 35mm Teteron dome tweeter |
| Enclosure | Sealed |
| Impedance | 4 ohms nominal; 3 ohms minimum |
| Maximum SPL | 111.4dB peak at 1m (manufacturer specified) |
| Sensitivity | 87.4dB at 2.83V/1m |
| Spinorama Preference Score | 3.39 |
| Spinorama Preference Score with Perfect Sub | 6.42 |
- Links
- Reviews, Comparisons and Sound Samples
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ATC SCM19: $3750 per pair Tmraudio eBay
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) |
| 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 | 3.79 |
| Spinorama Preference Score with Perfect Sub | 6.21 |
| Weight | 39.2 lbs (17.8 kg) each |
| Woofer Cabinet | sealed |
- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons