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Cameron Oatley
ExtremeHiFi
Website author headshot
Julian Shapiro
ExtremeHiFi

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

Bloggers and YouTubers have tried this product—so we've summarized their strongest opinions below. Links to full reviews follow.

What are hifi reviews useful for? (1) Identifying products you should demo in person at a dealer. (2) Learning which products reviewers unanimously praise as the best they've heard (this means they probably are legitimately great). (3) Identifying a product's attributes that satisfy your idiosyncratic needs and tastes. Beyond that, we often discount what reviewers say because they heap praise on most products—and are often apprehensive about publishing strong criticism or comparisons between products. Further, they seldom have more than a few products on-hand, often relying on their memories to compare past products. Always listen for yourself.

Manufacturer details

  • Drivers: HF ATC 1˝/25mm dual suspension Soft Dome (SH25-76 6 Ohm), LF ATC 6˝/150mm Constrained Layer Damping (CLD) (SB45-150CLD 8 Ohm)
  • Amplitude Linearity: 80Hz – 16kHz (+/-2dB)
  • Cut Off Frequencies: 56Hz – 22kHz (-6dB freestanding)
  • Dispersion: ±80° Coherent Horizontal, ±10° Coherent Vertical
  • Maximum Continuous SPL: 108dB (per pair @ 1m)
  • Crossover Frequency: 2.2kHz
  • Recommended Power Amplifier: 75 to 300 Watts
  • Nominal Impedance: 8 Ohm
  • Connectors: Binding Posts/4mm Plugs, bi-wire
  • Cabinet Dimensions (HxWxD): 400x238x235mm/15.7˝x9.4˝x9.3˝ (eye bolt adds 40mm to the depth)
  • Weight (Per Cabinet): SCM12i Pro 15kg/33lbs
The SCM12i Pro is a compact 2-way passive monitor designed for installation into recording, post production, broadcast and film studios. It's compact size and exceptional performance make it an ideal loudspeaker for use in surround/multi-channel recording/mixing and immersive audio applications such as Dolby Atmos, DTS:X and Auro 3D.
The SCM12i Pro is a compact 2-way passive monitor designed for installation into recording, post production, broadcast and film studios. It’s compact size and exceptional performance make it an ideal loudspeaker for use in surround/multi-channel recording/mixing and immersive audio applications such as Dolby Atmos, DTS:X and Auro 3D. To facilitate simple install, the cabinet features mounting points compatible with popular wall/ceiling brackets. The SCM12i is designed around the same philosophy as ATC’s 2 and 3-way active monitor loudspeakers and also employs driver components & technology found in these larger models resulting in exceptional consistency across the product range.
Manufacturer Site

Brand highlights

Taking a step back to look at reviewers' thoughts of the brand's entire lineup—not just this product—what stands out most is the following:

  • ATC's commitment to in-house driver design and manufacturing allows for tight control over performance characteristics and seamless integration across their entire product line.
  • They primarily use active designs with electronic crossovers and dedicated amplifiers for each driver, optimizing power delivery and minimizing distortion compared to passive crossovers.
  • ATC speakers prioritize accuracy, neutrality, and wide dynamic range, resulting in a sound signature that may expose flaws in recordings or upstream components.

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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Avg. Product Price
$2,501-$5,000
Used For Sale
34
 Available (Scroll Down)
Brand Popularity
68
 of 900+
Badges
Top 50 Brand
Top 250 Brand
Products Listed
56
Founding Year
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.

Look inside the brand

Brand Page

Our interview with the brand

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From our interview with
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Brand Page

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