Note that this is a discontinued product. You may want to visit the brand's page here to browse their newer products.

What reviewers think

Magazine reviewers and YouTubers have tried this product—so we've summarized their strongest opinions below.

How useful are hifi reviews? We consider them useful for three things: (1) Surfacing new products you should demo in person at a dealer. (2) Learning which products reviewers unanimously praise as the best they've ever heard (this means they probably are legitimately great). (3) Identifying a product's unique attributes that satisfy your idiosyncratic needs and tastes. Beyond that, we  discount what reviewers say because they heap praise on everything—rarely being negative for fear of souring relationships with manufacturers. Further, they seldom have more than a couple products on-hand at once, relying on their imperfect memories to compare to past products.

Compared to their other products

We think it's helpful to understand how this product fits into the brand's full lineup (below). To learn more about these products, visit the brand's page.

SCM7 MK3

  • Positioning: The entry-level model in ATC's loudspeaker lineup.
  • Description: Features a compact design and precise sound, with a 25mm soft dome tweeter and a 125mm mid-bass driver. Compared to the SCM19, it offers a smaller footprint, making it ideal for small rooms or desktop setups, but it lacks the larger bass driver and higher sensitivity found in the SCM19.

SCM19

  • Positioning: A mid-range model in the Entry Series, offering a balance between performance and size.
  • Description: Features an "SL" spec bass driver and 75mm integral soft dome, providing excellent phase coherence and bass response. It offers a more robust soundstage than the SCM7 MK3.

SCM19A

  • Positioning: An active version of the SCM19, positioned as a higher-end option within the Entry Series.
  • Description: Includes an on-board 182-watt Class A/B bi-amplifier, delivering enhanced sound clarity and power. It uses active crossover filters, unlike the passive SCM19, which requires external amplification.

SCM40A

  • Positioning: The groundbreaking flagship model of the Entry Series, offering the most advanced features and performance.
  • Description: Equipped with a tri-amplifier system and a 164mm bass driver, providing exceptional sound quality and dynamic range. It surpasses the SCM19A with its additional mid-range driver and higher power output.
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Read the reviews

Manufacturer's notes

The SCM20ASL Limited Edition is a 2-way active loudspeaker released to mark the beginning of ATC's 50th Anniversary year. This exclusive new model, limited to just 150 pairs, packs ATC's finest transducer engineering and active loudspeaker technology into a compact sealed cabinet, finished to exceptional standards in a stunning high-gloss blue lacquer.
The SCM20ASL Limited Edition is a 2-way active loudspeaker released to mark the beginning of ATC’s 50th Anniversary year. This exclusive new model, limited to just 150 pairs, packs ATC’s finest transducer engineering and active loudspeaker technology into a compact sealed cabinet, finished to exceptional standards in a stunning high-gloss blue lacquer. Complementing the cabinet, the front baffle is hand-upholstered in dark blue full-grain Napa leather.
  • Bass/mid driver: 1 x 150mm/6", SB75-150SL 8Ω
  • High Frequency Driver: 1 x 25mm/1", SH25-76S 6Ω
  • Low Frequency Cut-off: 55Hz (-6dB, anechoic)
  • High Frequency Cut-off: 25kHz (-6dB)
  • Crossover Point: 2.2kHz
  • MaxSPL: 108dB continuous, 114dB peak (per pair, IEC Weighted Pink Noise, 1m, anechoic)
  • Input Impedance: 20kΩ
  • Output Power: Bass 200W (8Ω), H.F. 50W (8Ω)
  • THD+N: <0.0017%/-95dB (1kHz, 1dB below rated power, 90kHz BW)
  • Power Consumption: Idle 26W/41VA, 1/8 Power 116W/116VA, Full Power 312W/398VA
  • Net Weight: 27kgs/59.5lbs
  • Dimensions: HxWxD 450x250x425mm (17 11/16" x 9 13/16" x 14 3/16")
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Average Price
$10,001-$20,000
Used Products
40
 Available (Scroll Down)
Brand Popularity
45
 of 600+
Badges
Top 50 Brand
Top 250 Brand
Products
56
Founded
1974

Our take on the brand

ATC is distinguished by manufacturing all drivers in-house and using a unique dual-suspension system in their tweeters that enhances stability without ferro-fluid. The brand, widely used in recording studios, features sealed cabinet designs for tight bass control and a proprietary 75mm soft-dome midrange driver that delivers precise, uncolored sound.
Julian Shapiro
ExtremeHiFi
Brand Page
Most data on ExtremeHiFi is proprietary—researched and reviewed after thousands of hours of loving labor. We archive our site's data and its pages on Archive.org and take legal action against those repurposing the data. We also fingerprint data to know when text and numbers came from us first.
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What if you spend a bit more?

Rialto
2995
2995
/
5
Reviews
Cabasse
Cabasse, a French hifi brand with roots dating back to 1742 in musical instrument making, is renowned for its unique coaxial speaker design where all sound waves emanate from a single point. Their flagship product, La Sphère, features a distinctive four-way coaxial drive unit array, while their patented HELD technology uses multiband dynamic signal processing to enhance bass dynamics without distortion.
Check on Amazon
Expand Details

Our Summary

Product Strengths

  • Powerful and deep bass response for its size
  • Clear and natural sound reproduction, with vocals being particularly noteworthy
  • An 'all-in-two' system, the RIALTO includes a streamer, DAC, pre-amp, and amp, making it easy to set up and use, especially with the Cabasse StreamCONTROL app
  • Effective room correction helps to optimize the sound for the listening environment
  • Elegant design and build quality

Product Considerations

  • The lack of seamless gapless playback between digital tracks requires a workaround or use of an analog source
  • The RIALTO has a laid-back treble response, which may not appeal to listeners who prefer a brighter sound
  • Potential for technical hiccups exists, because of the amount of technology packed into the RIALTO
  • Many features are controlled with the mobile app

Comparisons (according to reviewers)

  • The RIALTO provides a more balanced—and much more natural—listening experience than the Devialet Phantom II 98 dB Stereo

Takeaway: The Cabasse RIALTO is a compact and elegant audio system that offers powerful sound and a range of integrated features, making it a great choice for music lovers who want an easy-to-use and high-performing system. The sound quality and room correction allow it to adapt well to different listening spaces, offering an immersive experience.

Video review

Our take on the brand

Cabasse, a French hifi brand with roots dating back to 1742 in musical instrument making, is renowned for its unique coaxial speaker design where all sound waves emanate from a single point. Their flagship product, La Sphère, features a distinctive four-way coaxial drive unit array, while their patented HELD technology uses multiband dynamic signal processing to enhance bass dynamics without distortion.
Julian Shapiro
ExtremeHiFi Writer
Visit our
Rialto
page
Product Page

What else competes at this price?

Pulp
17429
/
Released
2024
Goldmund
After several years of development, we aspired to create a speaker that embodies the new generation—a connected generation. The Goldmund Pulp stereo loudspeaker is the embodiment of this vision, catering specifically to modern demands. It achieves this through the seamless integration of WiSA technology, incorporated via an essential Hub component in the set. This innovation not only enhances audio transmission to superior resolutions but also redefines the limits of sound reproduction.
Check on Amazon
Goldmund is a Swiss hifi brand known for its "mechanical grounding" technology, which reduces vibrations through heavy, precisely engineered components, and its proprietary Telos amplifier technology that significantly reduces intermodulation distortion. The brand appeals to audiophiles who prioritize pure sound reproduction, focusing on musical realism through minimalist design and high bandwidth circuitss.
Expand Details

Our Summary

Product Strengths

  • Luxurious texture sound
  • Equipped with Bluetooth/WiSA
  • A pair of chic 175-watt branded Telos amplifiers are on board

Product Considerations

  • Very high price

Takeaway: The Goldmund Pulp brought Goldmund into the compact wireless speaker segment with great success, delivering luxurious sound. It proves the brand can make iconic products outside of their usual ultra-expensive range.

Video review

Our take on the brand

Goldmund is a Swiss hifi brand known for its "mechanical grounding" technology, which reduces vibrations through heavy, precisely engineered components, and its proprietary Telos amplifier technology that significantly reduces intermodulation distortion. The brand appeals to audiophiles who prioritize pure sound reproduction, focusing on musical realism through minimalist design and high bandwidth circuitss.
Julian Shapiro
ExtremeHiFi Writer
Visit
Pulp
Page
Product Page
PMC8-2
15250
/
Released
2021
PMC
This three-way active studio monitor is designed to provide critical reference monitoring for the most demanding applications.
Check on Amazon
PMC is a hifi speaker brand known for its Advanced Transmission Line (ATL) technology, which enhances bass response and reduces distortion, and its LaminairX technology in the Prophecy series, which reduces turbulence and harmonic distortion by up to 3dB. Their active speakers are preferred by music and audio professionals for their tonal accuracy and dynamic range, with user reviews particularly praising their accurate midrange and detailed sound compared to brands like Dynaudio and B&W.
Expand Details

Our Summary

Product Strengths

  • Unparalleled clarity, definition, and utmost accuracy
  • Excellent bass extension and clarity, as well as proper tonal balance at every volume
  • Super wide dispersion, and thus a bigger sweet spot

Product Considerations

  • It would be overkill in smaller rooms
  • A pair is a significant investment, so it makes sense that it's geared toward large, professional recording environments
  • They weigh nearly 100 pounds apiece

Takeaway: The PMC 8-2 is a wise investment for professional studios that delivers detailed and accurate monitoring, so it could very well be the only monitor needed It uses proprietary technology to deliver its signature sound

Video review

Our take on the brand

PMC is a hifi speaker brand known for its Advanced Transmission Line (ATL) technology, which enhances bass response and reduces distortion, and its LaminairX technology in the Prophecy series, which reduces turbulence and harmonic distortion by up to 3dB. Their active speakers are preferred by music and audio professionals for their tonal accuracy and dynamic range, with user reviews particularly praising their accurate midrange and detailed sound compared to brands like Dynaudio and B&W.
Julian Shapiro
ExtremeHiFi Writer
Visit
PMC8-2
Page
Product Page

Note that this is a discontinued product. You may want to visit the brand's page here to browse their newer products.

What reviewers think

Magazine reviewers and YouTubers have tried this product—so we've summarized their strongest opinions below.

How useful are hifi reviews? We consider them useful for three things: (1) Surfacing new products you should demo in person at a dealer. (2) Learning which products reviewers unanimously praise as the best they've ever heard (this means they probably are legitimately great). (3) Identifying a product's unique attributes that satisfy your idiosyncratic needs and tastes. Beyond that, we  discount what reviewers say because they heap praise on everything—rarely being negative for fear of souring relationships with manufacturers. Further, they seldom have more than a couple products on-hand at once, relying on their imperfect memories to compare to past products.

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