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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

  • Type: 3-way ATL™ active reference monitor
  • Frequency Response: 25Hz - 25kHz
  • Drive Units: LF 250mm/10" PMC Carbon Fibre/Nomex™ piston driver, MF PMC hand-built 75mm soft-dome driver, HF PMC 34mm soft-dome tweeter with acoustic radiator
  • Crossover Frequency: 380Hz & 3.8kHz
  • Amplifier Power per Channel: LF 1 x 1200Wrms, MF 1 x 550Wrms, HF 1 x 275Wrms
  • Maximum SPL: 125dB
  • Effective ATL™ Length: 2.4m (8ft)
  • Dimensions: H 745mm (29.3 inches) W 330mm (12.9 inches) D 564mm (22.2 inches)
  • Weight: 46.5kg (102.5lbs) each
  • Input Connectors: Balanced Analogue Main Input/Through, Balanced Analogue LFE Input/Through, Digital AES Main Input/Through (Supports sample rates ≤ 96kHz 24bit), Digital AES LFE Input/Through (Supports sample rates ≤ 96kHz 24bit)
The three-way IB2S-AII offers discerning users all the attributes of PMC's large ATL™ reference active monitors but in a more compact form. They are ideal for high-end reference monitoring in both stereo and surround formats.
The three-way IB2S-AII offers discerning users all the attributes of PMC's large ATL™ reference active monitors but in a more compact form. They are ideal for high-end reference monitoring in both stereo and surround formats.

The DSP-controlled, Class-D powered cabinets make use of PMC's ATL™ (Advanced Transmission Line) bass-loading technology, providing a smoothly controlled, high-resolution low-frequency response. Each cabinet features PMC's hand-built preparatory drivers - the 10-inch carbon-fibre/Nomex™ piston, 75mm fabricdome mid, and the 34mm soft-dome tweeter.

The power is supplied by PMC's ultra-low distortion devices that are conveniently rack mountable, providing HF 275W, MF 550W and LF 1200W of acoustically transparent power. This single cabinet monitor features user-adjustable HF and LF shelving filters, ±8dB input level trim, and an AES3 digital input, as standard. The input sensitivity of the balanced analogue inputs can also be adjusted from +4dB to +16dB.

In addition, the EQ, level trims and analogue/digital input election settings can be adjusted from a distance using an RJ45-connected remote, which is supplied as standard.

"Type: 3-way ATL™ active reference monitor

Frequency response: 25Hz-25kHz

Analogue & digital (up 96kHz) inputs

Power per channel: 2025W (HF 275W, MF 550W, LF 1200W)

Effective ATL™ length: 2.4m(8ft)

Maximum SPL: 125dB

Three persona...
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:

  • PMC leverages its professional studio monitor expertise to create hifi speakers, resulting in accurate and detailed sound reproduction at home.
  • The brand utilizes Advanced Transmission Line (ATL) technology in their speaker designs, producing tight, extended, and well-balanced bass.
  • They pay significant attention to minimizing cabinet vibrations through decoupled designs, mass damping, and plinth stands to improve imaging and overall clarity.

Prodigy5

  • Positioning: A compact floor-standing speaker designed for versatility in various room sizes.
  • Description: Offers a dynamic sound experience with its Advanced Transmission Line and twin Laminair vents, making it ideal for small to medium rooms. Compared to the larger models like the twenty5.26i, it provides a more affordable option without compromising on the clarity and depth of sound. Its compact design makes it suitable for those with limited space and a moderate budget, while still delivering a powerful audio performance.

Active twenty5.24i

  • Positioning:The largest two-way speaker in the active twenty5i series, designed for high-resolution audio.
  • Description: This model combines active technology with PMC's ATL to deliver precise and dynamic sound, perfect for larger rooms. Unlike the passive models such as the Prodigy5, the active design allows for optimized internal amplification, providing a more integrated and space-efficient solution.

Prophecy9

  • Positioning: The flagship model of the Prophecy series, offering state-of-the-art performance.
  • Description: Featuring PMC's LaminairX technology, delivers an expansive soundstage and deep bass, ideal for large rooms and high-end audio setups. It surpasses models like the twenty5.26i in terms of technological sophistication and sound dynamics.

Fenestria

  • Positioning: The top-of-the-range model in the Fact series, designed for the ultimate listening experience.
  • Description: With vibration-cancelling design and advanced materials, offers exceptional sound purity. It stands out from other models like the Prophecy9 with its innovative cabinet and driver technologies, providing an immersive audio experience.
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Avg. Product Price
$40,001-$75,000
Used For Sale
65
 Available (Scroll Down)
Brand Popularity
58
 of 900+
Badges
Top 50 Brand
Top 250 Brand
Products Listed
57
Founding Year
1991

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.

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